Personale

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Biografia

Curriculum

Pubblicazioni

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English

Curriculum

Marianna DE SANTIS

Ruolo attuale:: Professore Associato
SSD:: MAT/09 - Ricerca operativa
Afferenza organizzativa:: Dipartimento di Ingegneria dell'Informazione

Recapiti

	0552758609
	marianna.desantis(AT)unifi.it

Marianna DE SANTIS

Curriculum

Working Experiences

1 February 2024 - : Associate Professor - DINFO, Università di Firenze, Italy
31 March 2020 - 31 January 2024 : Associate Professor - DIAG, Sapienza, Università di Roma, Italy
31 March 2017 - 30 March 2020: RTDB (Assistant Professor) - Dipartimento di ingegneria informatica automatica e gestionale (DIAG), Sapienza, Università di Roma, Italy
September 2016 - March 2017: Post-doc - Dipartimento di Matematica, Università di Padova, Italy
March 2016 - September 2016: Post-doc - Institut für Mathematik, Alpen-Adria-Universität Klagenfurt, Austria
September 2013 - March 2016: Post-doc - Discrete Optimization group, Fakultät für Mathematik, Technische Universität Dortmund, Germany
January 2012 - January 2013: Post-doc at “Istituto di Analisi dei Sistemi ed Informatica”, IASI, National Research Council (CNR), Rome, Italy

Education

May 2019: Italian qualification as associate professor in Operations Research
November 2008 - June 2012: PhD in Operations Research, Sapienza University of Rome

Title of Thesis: Continuous approaches to mixed integer programming problems; Advisor: Prof. Stefano Lucidi

October 24th, 2007: Master degree in Applied Mathematics, Sapienza University of Rome

Final grade: 110/110 cum laude

Title of Thesis: Alcuni algoritmi per il filtraggio nonlineare (Some algorithms for nonlinear filtering); Advisor: Prof. Maurizio Falcone

February 25th, 2005: Bachelor degree in Mathematics, Sapienza University of Rome.

Final grade: 110/110;

Title of Thesis: Costruzioni di frattali tramite IFS (Fractals construction by iterated functions systems); Advisor: Prof. Luigi Orsina

October 2003 - March 2004: Erasmus European Union Program, Université Pierre et Marie Curie - 6th University of Paris.

Publications

Articles published in refereed journals:

F. Battista, M. De Santis, Dealing with inequality constraints in large scale semidefinite relaxations for graph coloring and maximum clique problems, Accepted on 4OR, (2024)
E. Bettiol, C. Buchheim, M. De Santis and F. Rinaldi. An oracle-based framework for robust combinatorial optimization, Journal of Global Optimization, 88(1), pp. 27–51, (2024).
A. Cristofari, M. De Santis, S. Lucidi, J. Rothwell, E. Casula, L. Rocchi, Machine learning based classification to disentangle EEG responses to TMS and auditory input, Brain Sciences 13 (6), 866, (2023).

M. De Santis, S. de Vries, M. Schmidt, L. Winkel, A Penalty Branch-and-Bound Method for Mixed-Binary Complementarity Problems, INFORMS Journal on Computing 34(6):3117-3133, (2022).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. Minimization over the l1-ball using an active-set non-monotone projected gradient, Computational Optimization and Applications, 83(2), pp. 693–721, (2022).
M. De Santis, G. Eichfelder, D. Patria, On the exactness of the eps-constraint method for bi-objective integer nonlinear programming, Operations Research Letters, 50, pp. 356-361, (2022).
M.Petti, L. Farina, F. Francone, S. Lucidi, A. Macali, L. Palagi, M. De Santis, "MOSES: a new approach to integrate interactome topology and functional features for disease gene prediction", Genes, 12(11), 1713;https://doi.org/10.3390/genes12111713, (2021).
M. De Santis, G. Eichfelder. A Decision Space Algorithm for Multiobjective Convex Quadratic Integer Optimization, Computers & Operations Research, Volume 134, 105396 https://doi.org/10.1016/j.cor.2021.105396, (2021).
M. Conforti, M. De Santis, M. Di Summa and F. Rinaldi. Scanning integer points with lex-inequalities: A finite cutting plane algorithm for integer programming with linear objective, 4OR, 19, 531-548, (2021).
M. Cerulli, M. De Santis, E. Gaar, A. Wiegele. Improving ADMMs for Solving Doubly Nonnegative Programs through Dual Factorization, 4OR, 19, 415-448, (2021).
M. De Santis, G. Eichfelder, J. Niebling, S. Rocktaeschel. Solving Multiobjective Mixed Integer Convex Optimization Problems, SIAM Journal on Optimization, 30(4), pp. 3122–3145, (2020).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. An Active-Set Algorithmic Framework for Non-Convex Optimization Problems over the Simplex, Computational Optimization and Applications, 77, pp. 57-89 (2020).
M. De Santis, G. Grani and L. Palagi. The Frontier Partitioner Algorithm: a Branch and Cut algorithm for Biobjective Integer Programming, European Journal of Operational Research, 283(1), pp. 57-69, (2020).
C. Buchheim, M. De Santis.An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles, Mathematical Programming Computation, 11(4), pp.755-789, (2019).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. Data and performance of an active-set truncated Newton method with non-monotone line search for bound-constrained optimization, Data in Brief, 21, pp. 2155-2169, (2018).
M. De Santis, F. Rendl, A. Wiegele. Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming, Operations Research Letters, 46(5), pp.523-528, (2018).
C. Buchheim, M. De Santis, F. Rinaldi and L. Trieu.A Frank-Wolfe Based Branch-and-Bound Algorithm for Mean-Risk Optimization, Journal of Global Optimization, 70(3), pp. 625-644, (2018).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. A two-stage active-set algorithm for minimization problems with bound constraints, Journal of Optimization Theory and Applications, 172(2), pp. 369-401, (2017).
C. Buchheim, M. De Santis, S. Lucidi, F. Rinaldi and L. Trieu.A Feasible Active Set Method with Reoptimization for Convex Quadratic Mixed-Integer Programming. SIAM Journal on Optimization, 26(3), pp. 1695-1714, (2016).
M. De Santis, P. Festa, G. Liuzzi, S. Lucidi and F. Rinaldi. Nonmonotone GRASP. Mathematical Programming Computation, 8(3), pp. 271-309, (2016).
M. De Santis, S. Lucidi, F. Rinaldi. A Fast Active Set Block Coordinate Descent Algorithm for l1-regularized least squares.SIAM Journal on Optimization 26(1), pp. 781-809, (2016).
C. Buchheim, M. De Santis and L. Palagi. A Fast Branch-and-Bound Algorithm for Non-convex Quadratic Integer Optimization Subject To Linear Constraints Using Ellipsoidal Relaxations. Operations Research Letters, 43(4), pp.384-388, (2015).
M. De Santis, S. Lucidi and F. Rinaldi. Feasibility Pump-Like Heuristics for Mixed Integer Problems. Discrete Applied Mathematics, 165, pp. 152-167, (2014).
M. De Santis, F. Rinaldi, E. Falcone, S. Lucidi, G. Piaggio, A. Gurtner and L. Farina. Combining optimization and machine learning techniques for genome wide prediction of human cell-cycle regulated genes. Bioinformatics, 30(2), pp.228-233, (2014).
C. Buchheim, M. De Santis, L. Palagi and M. Piacentini. An Exact Algorithm for Nonconvex Quadratic Integer Minimization using Ellipsoidal Relaxations.SIAM Journal on Optimization, 23(3), pp. 1867-1889, (2013).
M. De Santis, S. Lucidi and F. Rinaldi. A new class of functions for measuring solution integrality in the Feasibility Pump approach. SIAM Journal on Optimization, 23(3), pp. 1575-606, (2013).
M. De Santis and F. Rinaldi. Continuous reformulations for zero-one programming problems. Journal of Optimization Theory and Applications, 153(1), pp. 75–84, (2012).
M. De Santis, G. Di Pillo and S. Lucidi. An active set feasible method for large-scale minimization problems with bound constraints. Computational Optimization and Applications, 53(2), pp. 395–423, (2012).

Conference Proceedings (refereed):

M. De Santis. Dual approaches for a specific class of integer nonlinear programming problems, 14th Cologne-Twente Workshop, CTW 2016.
M. De Santis, S. Lucidi and F. Rinaldi. A new feasibility pump-like heuristic for mixed integer problems 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011.
M. De Santis, S. Lucidi and F. Rinaldi. Continuous reformulations for zero-one programming problems 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011.

Dissertation:

M. De Santis Continuous approaches to mixed integer programming problems, PhD Thesis, 2012

Preprints:

L. Benvenuti, A. De Santis, M. De Santis, D. Patria, Designing sustainable diet plans by solving triobjective integer programs, Submitted 2023.
M. De Santis, G. Eichfelder, D. Patria, L. Warnow, Using dual relaxations in multiobjective mixed-integer quadratic programming, Submitted 2023.
A. Cristofari, M. De Santis, S. Lucidi, On Necessary Optimality Conditions for Sets of Points in Multiobjective Optimization, Submitted 2023.

Others:

Tutorial on MultiObjective Mixed Integer Nonlinear Programming, IFORS News Volume 16 | Number 3 | September 2021 | ISSN 2223-4373

Grants:

Principal Investigator of the research project "Augmented Lagrangian approaches for Large Scale Semidefinite Programming", Progetti di Ricerca (Progetti Medi) 2020 - Sapienza University of Rome
DAAD scholarship - Research Stays for University Academics and Scientists - May 2019, Technische Universität Ilmenau, Germany
Principal Investigator of the research project "Exact Approaches for Solving Multiobjective Integer Optimization Problem", Progetti di Ricerca (Progetti Piccoli) 2018 - Sapienza University of Rome
FFABR (Fondo per il Finanziamento delle Attività Base di Ricerca) 2017, Anvur
Principal Investigator of the research project "Nonlinear Approaches for the Solution of Hard Optimization Problems with Integer Variables", Progetti di Ricerca (Progetti Piccoli) 2017 - Sapienza University of Rome

Teaching Activities:

Winter semester 2023/2024: Teacher of “Ricerca Operativa” - Bachelor of Science in Computer Science Engineering - Sapienza, Università di Roma (sede di Latina), Italy
Winter semester 2023/2024: Teacher of “Ottimizzazione” - Bachelor of Science in Computer Science Engineering - Sapienza, Università di Roma (sede di Latina), Italy
Summer semester 2021/2022 and 2022/2023: Teacher of "Ottimizzazione dei sistemi complessi" - Master of Science in Management Engineering - Sapienza, Università di Roma, Italy
May 2021 : Lectures "Introduction to Semidefinite Programming" - ABRO PhD program - Dipartimento di ingegneria informatica automatica e gestionale - Sapienza, Università di Roma
Winter semester 2020/2021: Teacher of "Analisi Matematica 2" - Bachelor of Science in Management Engineering - Sapienza, Università di Roma, Italy
From 2017/2018 - until 2022/2023: Teacher of “Ricerca Operativa” (Operations Research) - Bachelor of Science in Management Engineering - Sapienza, Università di Roma, Italy
Summer semester 2015/2016: Teacher of “Integer Programming” - Master of Science in Mathematics - Alpen-Adria-Universität Klagenfurt, Austria (held in english)
Winter semester 2015/2016: Teacher of “Student Project: Optimization methods in Finance” - Master of Science in Mathematics for Economics (Wirtschaftsmathematik) - Technische Universität Dortmund, Germany (held in english)
Summer semester 2014/2015: Teacher of “Optimization methods in Finance” - Master of Science in Mathematics for Economics (Wirtschaftsmathematik) - Technische Universität Dortmund, Germany (held in english)
February 2012 : Lectures on "Constrained nonlinear optimization" - for the PhD in Operations Research - Dipartimento di ingegneria informatica automatica e gestionale - Sapienza, Università di Roma
October 2010-September 2011: Didactic assistant for the course of Operations Research for Management engineering, Sapienza University of Rome.
October 2009-September 2010: Didactic assistant for the course of Operations Research for Management engineering, Sapienza University of Rome.

Visits to other research institutes:

24 - 26 January 2024: LIPN, Université Sorbonne Paris Nord, France (invited by Prof. Lucas Létocart)
24 - 26 February 2020: Department of Mathematics, Trier University, Germany (invited by Prof. Martin Schmidt)
1 - 31 May 2019 : Institute of Mathematics, Technische Universität Ilmenau, Germany - DAAD scholarship
6 - 11 August 2018 : Institute of Mathematics, Technische Universität Ilmenau, Germany (invited by prof. Gabriele Eichfelder)
24 - 26 June 2018 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Angelika Wiegele)
19 - 25 February 2018 : Faculty of Mathematics, Technische Universität Dortmund, Germany (invited by prof. Christoph Buchheim)
29 January - 4 February 2018 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Franz Rendl and prof. Angelika Wiegele)
2 - 9 July 2017 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Franz Rendl and prof. Angelika Wiegele)

Organization of Minisymposia/ Workshops:

Co-organization (with Lavinia Amorosi) of the RAMOO 2023 workshop, Roma, Italia, 14 September 2023 - See also IFORS News December 2023 Issue
Member of the program committee for the conference ODS 2021, Roma, Italia, 14-17 September, 2021
Organization of the session “Multiobjective Mixed Integer Optimization” for the conference EUROPT 2021, Toulouse, France, 07-09 July, 2021
Organization of the session “Mixed Integer Multiobjective Optimization” for the conference EURO 2019, Dublin, Ireland, 23-26 June, 2019
Organization of the session “Optimization in Finance” for the conference FGI 2017, Padeborn, Germany, 25-28 September, 2017
Organization of a session within the cluster “Nonlinear Optimization” for the conference ICCOPT 2016, Tokyo, Japan, 6-11 August, 2016
Organization of a session within the cluster “Nonlinear Programming” for the conference ISMP 2015 , Pittsburgh, USA ,12-17 July, 2015

Invited seminars:

25 January 2024: LIPN, Université Sorbonne Paris Nord, "A branch-and-bound method for multiobjective mixed integer quadratic programs based on dual relaxations"
4 March 2021: ESR Days, lecture on multiobjective mixed integer nonlinear programming for the workshop organized by MINOA phd students
26 February 2021: Discrete Optimization Talks (DOTs), join the mailing list https://eepurl.com/gZtvOL for details, "Exact approaches for multiobjective mixed integer nonlinear programming problems"
24 February 2020 : Department of Mathematics, Trier University, "Branch-and-bound Algorithms for structured Mixed Integer Nonlinear Programming Problems"
12 February 2020 : Dipartimento di Ingegneria e Scienze dell'Informazione e Matematica, Università dell'Aquila, "Alternating Direction Methods of Multipliers for Solving Doubly Nonnegative Programs"
6 May 2019 : Institute of Mathematics, Technische Universität Ilmenau, "Branching with Hyperplanes in the Criterion Space: the Frontier Partitioner Algorithm for Biobjective Integer Programming"
6 August 2018 : Institute of Mathematics, Technische Universität Ilmenau, "An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles"
20 March 2018 : Dipartimento di Matematica Guido Castelnuovo, Sapienza Università di Roma, "Active-set Algorithmic Frameworks for Sparse Optimization"
20 February 2018 : Faculty of Mathematics, Technische Universität Dortmund, "Active Set Frank-Wolfe Variants for Minimization over the Simplex"

Editorial activity:

Associate Editor for RAIRO - Operations ResearchandOR Spectrum (Optimization)
Reviewer for the following journals: 4OR, Computational Optimization and Applications, European Journal of Operations Research, INFORMS Journal on Computing, Journal of Global Optimization, Journal of Optimization Theory and Applications, Mathematical Methods of Operations Research, Mathematical Programming Computation, Optimization Methods and Software, Optimization Letters, Operations Research Letters, SIAM Journal on Optimization

Conferences and Workshops:

4-7 September 2023 - ODS 2023, Ischia, Italia - "On necessary optimality conditions for sets of points in multiobjective optimization"
3-7 July 2023 - Learning from Both Sides Linear and Nonlinear Mixed-Integer Optimization, Institut Mittag-Leffler, Djursholm, Sweden (invited) - "Using Dual Relaxations in Multiobjective Mixed-Integer Quadratic Programming"
30 August - 2 September 2022 - ODS 2022, Firenze, Italia (in the session I organized) - "Designing sustainable diet plans by solving a tri-objective 0-1 linear program"
29-30 July 2022 - EUROPT 2022, Caparica, Portugal - "Sequential penalty methods for mixed integer programs"
23-26 May 2022 - MIP 2022 - Mixed Integer Programming Workshop 2022, New Brunswick, NJ (USA) (invited) - "Sequential penalty methods for mixed integer programs"
24-27 October 2021 - 2021 INFORMS Annual Meeting, Anaheim, CA (USA) - (attended Online) - "Minimization Over The L1-ball Using An Active-set Non-monotone Projected Gradient"
23 September 2021 - RAMOO 2021, Wuppertal, Germany (Online) (invited) - "Detecting the efficient set of multiobjective integer quadratic programming problems"
14-17 September 2021 - ODS 2021, Roma, Italia (in the session I organized) - "Detecting the efficient set of multiobjective integer quadratic programming problems"
7-9 July 2021 - EUROPT 2021, Toulouse, France (Online - in the session I co-organized) - "Finding nondominated and efficient solutions of multiobjective quadratic integer programming problems".
4-6 March 2020 - SIGOPT 2020, Dortmund, Germany - "ADMMs for Solving Doubly Nonnegative Programming Problems".
5-8 August 2019 - ICCOPT 2019, Berlin, Germany (invited) - "Augmented Lagrangian Approaches for Solving Doubly Nonnegative Programming Problems".
23-26 June 2019 - EURO 2019, Dublin, Ireland (in the session I organized) - "The Frontier Partitioner Algorithm: a Branch and Cut algorithm for Biobjective Integer Programming".
2-8 June 2019 - Mixed-integer Nonlinear Optimization: a hatchery for modern mathematics, Oberwolfach, Germany (invited) - "An Active Set Algorithm for Robust Combinatorial Optimization".
24-26 September 2018 - First International Conference on Network Medicine and Big Data: The Transformation of Medicine, Rome, Italy - Poster : "Annotation Driven Optimized Clustering for Disease Genes Batch Identification".
10-13 September 2018 - ODS2018, 48th meeting of AIRO - Italian Operations Research Society, Taormina, Italy (invited) - "Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming".
1-6 July 2018 - 23rd International Symposium on Mathematical Programming, Bordeaux, France (invited) - "An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles".
8-12 January 2018 - 22nd Combinatorial Optimization Workshop, Aussois, France (invited) - "Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming".
22-25 May 2017 - SIAM Conference on Optimization 2017, Vancouver, Canada (invited) - “New active-set Frank-Wolfe variants for minimization over the simplex and the l1-ball”.
4-6 November 2016 - 4th Alpen-Adria-Workshop on Optimization, Klagenfurt, Austria (invited) - “Dual bounds for (mixed) integer quadratic programming problems”.
6-11 August 2016 - ICCOPT 2016, Tokyo, Japan (in the session I organized) - “An Active Set Strategy for Nonlinear Programming Problems with Box Constraints”.
6-8 June 2016 - Cologne Twente workshop 2016, Gargnano, Italy - “Dual approaches for a specific class of integer nonlinear programming problems”.
12-17 July 2015 - ISMP 2015, Pittsburgh, U.S.A. (invited) - “A Frank-Wolfe Based Branch-and-Bound Algorithm for Mean-Risk Portfolio Optimization Problems”.
28-30 July 2014 - Optimization 2014, Guimaraes, Portugal (invited) - “A Feasible Active Set Method with Reoptimization for Convex Quadratic Mixed-Integer Programming”
19-22 May 2014 - SIAM Conference on Optimization 2014, San Diego, U.S.A. (invited) -“A Fast Active Set Block Coordinate Descent Algorithm for l1-regularized least squares”.
19-24 August 2012 - ISMP 2012, Berlin, Germany (invited) - “A method for MINLP problems with simple constraints”.
24-27 July 2011 - Optimization 2011, Caparica, Portugal - “Continuous Approaches for Mixed 0-1 Programming Problems”.
14-16 June 2011 - 10-th Cologne Twente workshop, Frascati, Italy - “A New Feasibility Pump-Like Heuristic for Mixed Integer Problems”.
16-19 May 2011 - SIAM Conference on Optimization, Darmstadt, Germany - “A New Feasibility Pump-Like Heuristic for Mixed Integer Problems”.
7 - 10 September 2010 - AIRO 2010, Reggio Calabria, Italy - “New concave penalty functions for improving the Feasibility Pump”.
11 - 15 July 2010 - EURO 2010, Lisbon, Portugal - “New concave penalty functions for improving the Feasibility Pump”.
2 - 9 July 2010 - International school of Mathematics “G.Stampacchia” in Erice, Italy - “A Newton-Type feasible method for large scale minimization problems with bound constraints”.
8 - 11 September 2009 - AIRO 2009, Siena, Italy - “A Newton-Type feasible method for large scale minimization problems with bound constraints”.

Languages:

Italian: native language.
English: good knowledge.
French: good knowledge.
German: B1 - Telc certificate (points 274.5/300)

Others:

January 2013 - July 2013: Qualification to teach mathematics and physics in Italian secondary schools (final grade 99/100)

Marianna DE SANTIS

Pubblicazioni

Legenda

Contributo su rivista |

Articolo su libro |

Libro |

Contributo in atti di convegno (proceeding) |

Brevetto |

Curatela | Altro

Altro |

Tesi di Dottorato

Federico Battista; Marianna De Santis (2024). Dealing with inequality constraints in large-scale semidefinite relaxations for graph coloring and maximum clique problems. 4OR, pp. 0-0, ISSN:1619-4500

Bettiol E.; Buchheim C.; De Santis M.; Rinaldi F. (2023). An oracle-based framework for robust combinatorial optimization. JOURNAL OF GLOBAL OPTIMIZATION, vol. 88, pp. 27-51, ISSN:1573-2916 DOI

Cristofari A.; De Santis M.; Lucidi S.; Rothwell J.; Casula E. P.; Rocchi L. (2023). Machine Learning-Based Classification to Disentangle EEG Responses to TMS and Auditory Input. BRAIN SCIENCES, vol. 13, pp. -, ISSN:2076-3425 DOI

Marianna de Santis; Gabriele Eichfelder; Daniele Patria (2022). On the exactness of the ε-constraint method for biobjective nonlinear integer programming. OPERATIONS RESEARCH LETTERS, vol. 50, pp. 356-361, ISSN:0167-6377 DOI

De Santis, M; de Vries, S; Schmidt, M; Winkel, L (2022). A Penalty Branch-and-Bound Method for Mixed Binary Linear Complementarity Problems. INFORMS JOURNAL ON COMPUTING, vol. 34, pp. 3117-3133, ISSN:1091-9856 DOI

Cristofari, A; De Santis, M; Lucidi, S; Rinaldi, F (2022). Minimization over the l(1)-ball using an active-set non-monotone projected gradient. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 83, pp. 693-721, ISSN:0926-6003 DOI

Conforti, Michele; De Santis, Marianna; Di Summa, Marco; Rinaldi, Francesco (2021). Scanning integer points with lex-inequalities: a finite cutting plane algorithm for integer programming with linear objective. 4OR, vol. 19, pp. 531-548, ISSN:1619-4500 DOI

De Santis M.; Eichfelder G. (2021). A decision space algorithm for multiobjective convex quadratic integer optimization. COMPUTERS & OPERATIONS RESEARCH, vol. 134, pp. -, ISSN:0305-0548 DOI

Petti M.; Farina L.; Francone F.; Lucidi S.; Macali Amalia; Palagi L.; De Santis M. (2021). Moses: A new approach to integrate interactome topology and functional features for disease gene prediction. GENES, vol. 12, pp. 1-16, ISSN:2073-4425 DOI

Cerulli M.; De Santis M.; Gaar E.; Wiegele A. (2021). Improving ADMMs for solving doubly nonnegative programs through dual factorization. 4OR, vol. 19, pp. 415-448, ISSN:1619-4500 DOI

Cristofari A.; De Santis M.; Lucidi S.; Rinaldi F. (2020). An active-set algorithmic framework for non-convex optimization problems over the simplex. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, pp. -, ISSN:0926-6003 DOI

De Santis M.; Grani G.; Palagi L. (2020). Branching with hyperplanes in the criterion space: The frontier partitioner algorithm for biobjective integer programming. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, vol. 283, pp. 57-69, ISSN:0377-2217 DOI

De Santis, Marianna; Eichfelder, Gabriele; Niebling, Julia; Rocktäschel, Stefan (2020). Solving Multiobjective Mixed Integer Convex Optimization Problems. SIAM JOURNAL ON OPTIMIZATION, vol. 30, pp. 3122-3145, ISSN:1052-6234 DOI

Christoph Buchheim; Marianna De Santis (2019). An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles. MATHEMATICAL PROGRAMMING COMPUTATION, vol. 11, pp. 755-789, ISSN:1867-2949 DOI

Marianna De Santis; Giorgio Grani; Laura Palagi (2019). Branching with hyperplanes in the criterion space: the frontier partitioner algorithm for biobjective integer programming. . Technical Report n. 3, 2019, pp. 1-36.

Christoph Buchheim; Marianna De Santis; Francesco Rinaldi; Long Trieu (2018). A Frank–Wolfe based branch-and-bound algorithm for mean-risk optimization. JOURNAL OF GLOBAL OPTIMIZATION, vol. 3, pp. 625-644, ISSN:1573-2916 DOI

De Santis, Marianna; Rendl, Franz; Wiegele, Angelika (2018). Using a factored dual in augmented Lagrangian methods for semidefinite programming. OPERATIONS RESEARCH LETTERS, vol. 46, pp. 523-528, ISSN:0167-6377 DOI

Cristofari, A.; De Santis, M.; Lucidi, S.; Rinaldi, F. (2018). Data and performance of an active-set truncated Newton method with non-monotone line search for bound-constrained optimization. DATA IN BRIEF, vol. 21, pp. 2155-2169, ISSN:2352-3409 DOI

CRISTOFARI, ANDREA; DE SANTIS, MARIANNA; LUCIDI, Stefano; Rinaldi, Francesco (2017). A Two-Stage Active-Set Algorithm for Bound-Constrained Optimization. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, vol. 172, pp. 369-401, ISSN:0022-3239 DOI

Buchheim, Christoph; DE SANTIS, MARIANNA; LUCIDI, Stefano; Rinaldi, Francesco; Trieu, Long (2016). A feasible active set method with reoptimization for convex quadratic mixed-integer programming. SIAM JOURNAL ON OPTIMIZATION, vol. 26, pp. 1695-1714, ISSN:1052-6234 DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA; LUCIDI, Stefano; Rinaldi, Francesco (2016). A fast active set block coordinate descent algorithm for ℓ1-regularized least squares. SIAM JOURNAL ON OPTIMIZATION, vol. 26, pp. 781-809, ISSN:1052-6234 DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA; Festa, P; Liuzzi, G.; LUCIDI, Stefano; Rinaldi, F. (2016). A nonmonotone GRASP. MATHEMATICAL PROGRAMMING COMPUTATION, vol. 8, pp. 271-309, ISSN:1867-2949 DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA (2016). Dual approaches for a specific class of integer nonlinear programming problems. ELECTRONIC NOTES IN DISCRETE MATHEMATICS, vol. 55, pp. 73-76, ISSN:1571-0653 DOI Accesso ONLINE all'editore

Buchheim, Christoph; DE SANTIS, MARIANNA; PALAGI, Laura (2015). A fast branch-and-bound algorithm for non-convex quadratic integer optimization subject to linear constraints using ellipsoidal relaxations. OPERATIONS RESEARCH LETTERS, vol. 43, pp. 384-388, ISSN:0167-6377 DOI

DE SANTIS, MARIANNA; LUCIDI, Stefano; Francesco Rinaldi (2014). Feasibility Pump-like heuristics for mixed integer problems. DISCRETE APPLIED MATHEMATICS, vol. 165, pp. 152-167, ISSN:0166-218X DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA; F. Rinaldi; E. Falcone; LUCIDI, Stefano; G. Piaggio; A. Gurtner; FARINA, Lorenzo (2014). Combining optimization and machine learning techniques for genome-wide prediction of human cell cycle-regulated genes. BIOINFORMATICS, vol. 30, pp. 228-233, ISSN:1367-4803 DOI

DE SANTIS, MARIANNA; LUCIDI, Stefano; Francesco Rinaldi (2013). A new class of functions for measuring solution integrality in the feasibility pump approach. SIAM JOURNAL ON OPTIMIZATION, vol. 23, pp. 1575-1606, ISSN:1052-6234 DOI Accesso ONLINE all'editore

C. Buchheim; DE SANTIS, MARIANNA; PALAGI, Laura; PIACENTINI, Mauro (2013). An exact algorithm for nonconvex quadratic integer minimization using ellipsoidal relaxations. SIAM JOURNAL ON OPTIMIZATION, vol. 23, pp. 1867-1889, ISSN:1052-6234 DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA; DI PILLO, Gianni; LUCIDI, Stefano (2012). An active set feasible method for large-scale minimization problems with bound constraints. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 53, pp. 395-423, ISSN:0926-6003 DOI

DE SANTIS, MARIANNA; RINALDI, FRANCESCO (2012). Continuous Reformulations for Zero-One Programming Problems. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, vol. 153, pp. 75-84, ISSN:0022-3239 DOI Accesso ONLINE all'editore

DE SANTIS, MARIANNA; LUCIDI, Stefano; Rinaldi, F. (2011). Continuous reformulations for zero-one programming problems. In: 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011, Frascati; Italy, 14-16 June 2011, pp. 142-145.

De Santis M; Lucidi S; Rinaldi F (2011). A New Feasibility Pump-Like Heuristic for Mixed Integer Problems. .

De Santis M; Lucidi S; Rinaldi F (2011). Continuous Reformulations for Zero-one Programming Problems. .

DE SANTIS M; Lucidi S; Rinaldi F (2011). A new class of functions for measuring solution integrality in the Feasibility Pump approach. . DEPARTMENT OF COMPUTER AND SYSTEM SCIENCES ANTONIO RUBERTI TECHNICAL REPORTS, pp. -.

DE SANTIS, MARIANNA; LUCIDI, Stefano; Rinaldi, F. (2011). A new feasibility pump-like heuristic for mixed integer problems. In: 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011, Frascati; Italy, 14-16 June 2011, pp. 138-141.

DE SANTIS M; RINALDI F (2010). Continuous reformulations for zero-one programming problems. . DEPARTMENT OF COMPUTER AND SYSTEM SCIENCES ANTONIO RUBERTI TECHNICAL REPORTS, pp. -.

DE SANTIS M; LUCIDI S; RINALDI F (2010). Feasibility Pump-Like Heuristics for Mixed Integer Problems. . DEPARTMENT OF COMPUTER AND SYSTEM SCIENCES ANTONIO RUBERTI TECHNICAL REPORTS, pp. -.

DE SANTIS M; LUCIDI S; RINALDI F (2010). New concave penalty functions for improving the Feasibility Pump. . DEPARTMENT OF COMPUTER AND SYSTEM SCIENCES ANTONIO RUBERTI TECHNICAL REPORTS, pp. -.

DE SANTIS M; DI PILLO G. AND LUCIDI S (2009). A Newton-type method for large scale minimization problems with bound constraints. .

Marianna DE SANTIS

Curriculum

Working Experiences

1 February 2024 - : Associate Professor - DINFO, Università di Firenze, Italy
31 March 2020 - 31 January 2024 : Associate Professor - DIAG, Sapienza, Università di Roma, Italy
31 March 2017 - 30 March 2020: RTDB (Assistant Professor) - Dipartimento di ingegneria informatica automatica e gestionale (DIAG), Sapienza, Università di Roma, Italy
September 2016 - March 2017: Post-doc - Dipartimento di Matematica, Università di Padova, Italy
March 2016 - September 2016: Post-doc - Institut für Mathematik, Alpen-Adria-Universität Klagenfurt, Austria
September 2013 - March 2016: Post-doc - Discrete Optimization group, Fakultät für Mathematik, Technische Universität Dortmund, Germany
January 2012 - January 2013: Post-doc at “Istituto di Analisi dei Sistemi ed Informatica”, IASI, National Research Council (CNR), Rome, Italy

Education

May 2019: Italian qualification as associate professor in Operations Research
November 2008 - June 2012: PhD in Operations Research, Sapienza University of Rome

Title of Thesis: Continuous approaches to mixed integer programming problems; Advisor: Prof. Stefano Lucidi

October 24th, 2007: Master degree in Applied Mathematics, Sapienza University of Rome

Final grade: 110/110 cum laude

Title of Thesis: Alcuni algoritmi per il filtraggio nonlineare (Some algorithms for nonlinear filtering); Advisor: Prof. Maurizio Falcone

February 25th, 2005: Bachelor degree in Mathematics, Sapienza University of Rome.

Final grade: 110/110;

Title of Thesis: Costruzioni di frattali tramite IFS (Fractals construction by iterated functions systems); Advisor: Prof. Luigi Orsina

October 2003 - March 2004: Erasmus European Union Program, Université Pierre et Marie Curie - 6th University of Paris.

Publications

Articles published in refereed journals:

F. Battista, M. De Santis, Dealing with inequality constraints in large scale semidefinite relaxations for graph coloring and maximum clique problems, Accepted on 4OR, (2024)
E. Bettiol, C. Buchheim, M. De Santis and F. Rinaldi. An oracle-based framework for robust combinatorial optimization, Journal of Global Optimization, 88(1), pp. 27–51, (2024).

A. Cristofari, M. De Santis, S. Lucidi, J. Rothwell, E. Casula, L. Rocchi, Machine learning based classification to disentangle EEG responses to TMS and auditory input, Brain Sciences 13 (6), 866, (2023).
M. De Santis, S. de Vries, M. Schmidt, L. Winkel, A Penalty Branch-and-Bound Method for Mixed-Binary Complementarity Problems, INFORMS Journal on Computing 34(6):3117-3133, (2022).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. Minimization over the l1-ball using an active-set non-monotone projected gradient, Computational Optimization and Applications, 83(2), pp. 693–721, (2022).
M. De Santis, G. Eichfelder, D. Patria, On the exactness of the eps-constraint method for bi-objective integer nonlinear programming, Operations Research Letters, 50, pp. 356-361, (2022).
M.Petti, L. Farina, F. Francone, S. Lucidi, A. Macali, L. Palagi, M. De Santis, "MOSES: a new approach to integrate interactome topology and functional features for disease gene prediction", Genes, 12(11), 1713;https://doi.org/10.3390/genes12111713, (2021).
M. De Santis, G. Eichfelder. A Decision Space Algorithm for Multiobjective Convex Quadratic Integer Optimization, Computers & Operations Research, Volume 134, 105396 https://doi.org/10.1016/j.cor.2021.105396, (2021).
M. Conforti, M. De Santis, M. Di Summa and F. Rinaldi. Scanning integer points with lex-inequalities: A finite cutting plane algorithm for integer programming with linear objective, 4OR, 19, 531-548, (2021).
M. Cerulli, M. De Santis, E. Gaar, A. Wiegele. Improving ADMMs for Solving Doubly Nonnegative Programs through Dual Factorization, 4OR, 19, 415-448, (2021).
M. De Santis, G. Eichfelder, J. Niebling, S. Rocktaeschel. Solving Multiobjective Mixed Integer Convex Optimization Problems, SIAM Journal on Optimization, 30(4), pp. 3122–3145, (2020).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. An Active-Set Algorithmic Framework for Non-Convex Optimization Problems over the Simplex, Computational Optimization and Applications, 77, pp. 57-89 (2020).
M. De Santis, G. Grani and L. Palagi. The Frontier Partitioner Algorithm: a Branch and Cut algorithm for Biobjective Integer Programming, European Journal of Operational Research, 283(1), pp. 57-69, (2020).
C. Buchheim, M. De Santis.An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles, Mathematical Programming Computation, 11(4), pp.755-789, (2019).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. Data and performance of an active-set truncated Newton method with non-monotone line search for bound-constrained optimization, Data in Brief, 21, pp. 2155-2169, (2018).
M. De Santis, F. Rendl, A. Wiegele. Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming, Operations Research Letters, 46(5), pp.523-528, (2018).
C. Buchheim, M. De Santis, F. Rinaldi and L. Trieu.A Frank-Wolfe Based Branch-and-Bound Algorithm for Mean-Risk Optimization, Journal of Global Optimization, 70(3), pp. 625-644, (2018).
A. Cristofari, M. De Santis, S. Lucidi and F. Rinaldi. A two-stage active-set algorithm for minimization problems with bound constraints, Journal of Optimization Theory and Applications, 172(2), pp. 369-401, (2017).
C. Buchheim, M. De Santis, S. Lucidi, F. Rinaldi and L. Trieu.A Feasible Active Set Method with Reoptimization for Convex Quadratic Mixed-Integer Programming. SIAM Journal on Optimization, 26(3), pp. 1695-1714, (2016).
M. De Santis, P. Festa, G. Liuzzi, S. Lucidi and F. Rinaldi. Nonmonotone GRASP. Mathematical Programming Computation, 8(3), pp. 271-309, (2016).
M. De Santis, S. Lucidi, F. Rinaldi. A Fast Active Set Block Coordinate Descent Algorithm for l1-regularized least squares.SIAM Journal on Optimization 26(1), pp. 781-809, (2016).
C. Buchheim, M. De Santis and L. Palagi. A Fast Branch-and-Bound Algorithm for Non-convex Quadratic Integer Optimization Subject To Linear Constraints Using Ellipsoidal Relaxations. Operations Research Letters, 43(4), pp.384-388, (2015).
M. De Santis, S. Lucidi and F. Rinaldi. Feasibility Pump-Like Heuristics for Mixed Integer Problems. Discrete Applied Mathematics, 165, pp. 152-167, (2014).
M. De Santis, F. Rinaldi, E. Falcone, S. Lucidi, G. Piaggio, A. Gurtner and L. Farina. Combining optimization and machine learning techniques for genome wide prediction of human cell-cycle regulated genes. Bioinformatics, 30(2), pp.228-233, (2014).
C. Buchheim, M. De Santis, L. Palagi and M. Piacentini. An Exact Algorithm for Nonconvex Quadratic Integer Minimization using Ellipsoidal Relaxations.SIAM Journal on Optimization, 23(3), pp. 1867-1889, (2013).
M. De Santis, S. Lucidi and F. Rinaldi. A new class of functions for measuring solution integrality in the Feasibility Pump approach. SIAM Journal on Optimization, 23(3), pp. 1575-606, (2013).
M. De Santis and F. Rinaldi. Continuous reformulations for zero-one programming problems. Journal of Optimization Theory and Applications, 153(1), pp. 75–84, (2012).
M. De Santis, G. Di Pillo and S. Lucidi. An active set feasible method for large-scale minimization problems with bound constraints. Computational Optimization and Applications, 53(2), pp. 395–423, (2012).

Conference Proceedings (refereed):

M. De Santis. Dual approaches for a specific class of integer nonlinear programming problems, 14th Cologne-Twente Workshop, CTW 2016.
M. De Santis, S. Lucidi and F. Rinaldi. A new feasibility pump-like heuristic for mixed integer problems 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011.
M. De Santis, S. Lucidi and F. Rinaldi. Continuous reformulations for zero-one programming problems 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2011.

Dissertation:

M. De Santis Continuous approaches to mixed integer programming problems, PhD Thesis, 2012

Preprints:

L. Benvenuti, A. De Santis, M. De Santis, D. Patria, Designing sustainable diet plans by solving triobjective integer programs, Submitted 2023.
M. De Santis, G. Eichfelder, D. Patria, L. Warnow, Using dual relaxations in multiobjective mixed-integer quadratic programming, Submitted 2023.
A. Cristofari, M. De Santis, S. Lucidi, On Necessary Optimality Conditions for Sets of Points in Multiobjective Optimization, Submitted 2023.

Others:

Tutorial on MultiObjective Mixed Integer Nonlinear Programming, IFORS News Volume 16 | Number 3 | September 2021 | ISSN 2223-4373

Grants:

Principal Investigator of the research project "Augmented Lagrangian approaches for Large Scale Semidefinite Programming", Progetti di Ricerca (Progetti Medi) 2020 - Sapienza University of Rome
DAAD scholarship - Research Stays for University Academics and Scientists - May 2019, Technische Universität Ilmenau, Germany
Principal Investigator of the research project "Exact Approaches for Solving Multiobjective Integer Optimization Problem", Progetti di Ricerca (Progetti Piccoli) 2018 - Sapienza University of Rome
FFABR (Fondo per il Finanziamento delle Attività Base di Ricerca) 2017, Anvur
Principal Investigator of the research project "Nonlinear Approaches for the Solution of Hard Optimization Problems with Integer Variables", Progetti di Ricerca (Progetti Piccoli) 2017 - Sapienza University of Rome

Teaching Activities:

Winter semester 2023/2024: Teacher of “Ricerca Operativa” - Bachelor of Science in Computer Science Engineering - Sapienza, Università di Roma (sede di Latina), Italy
Winter semester 2023/2024: Teacher of “Ottimizzazione” - Bachelor of Science in Computer Science Engineering - Sapienza, Università di Roma (sede di Latina), Italy
Summer semester 2021/2022 and 2022/2023: Teacher of "Ottimizzazione dei sistemi complessi" - Master of Science in Management Engineering - Sapienza, Università di Roma, Italy
May 2021 : Lectures "Introduction to Semidefinite Programming" - ABRO PhD program - Dipartimento di ingegneria informatica automatica e gestionale - Sapienza, Università di Roma
Winter semester 2020/2021: Teacher of "Analisi Matematica 2" - Bachelor of Science in Management Engineering - Sapienza, Università di Roma, Italy
From 2017/2018 - until 2022/2023: Teacher of “Ricerca Operativa” (Operations Research) - Bachelor of Science in Management Engineering - Sapienza, Università di Roma, Italy
Summer semester 2015/2016: Teacher of “Integer Programming” - Master of Science in Mathematics - Alpen-Adria-Universität Klagenfurt, Austria (held in english)
Winter semester 2015/2016: Teacher of “Student Project: Optimization methods in Finance” - Master of Science in Mathematics for Economics (Wirtschaftsmathematik) - Technische Universität Dortmund, Germany (held in english)
Summer semester 2014/2015: Teacher of “Optimization methods in Finance” - Master of Science in Mathematics for Economics (Wirtschaftsmathematik) - Technische Universität Dortmund, Germany (held in english)
February 2012 : Lectures on "Constrained nonlinear optimization" - for the PhD in Operations Research - Dipartimento di ingegneria informatica automatica e gestionale - Sapienza, Università di Roma
October 2010-September 2011: Didactic assistant for the course of Operations Research for Management engineering, Sapienza University of Rome.
October 2009-September 2010: Didactic assistant for the course of Operations Research for Management engineering, Sapienza University of Rome.

Visits to other research institutes:

24 - 26 January 2024: LIPN, Université Sorbonne Paris Nord, France (invited by Prof. Lucas Létocart)
24 - 26 February 2020: Department of Mathematics, Trier University, Germany (invited by Prof. Martin Schmidt)
1 - 31 May 2019 : Institute of Mathematics, Technische Universität Ilmenau, Germany - DAAD scholarship
6 - 11 August 2018 : Institute of Mathematics, Technische Universität Ilmenau, Germany (invited by prof. Gabriele Eichfelder)
24 - 26 June 2018 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Angelika Wiegele)
19 - 25 February 2018 : Faculty of Mathematics, Technische Universität Dortmund, Germany (invited by prof. Christoph Buchheim)
29 January - 4 February 2018 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Franz Rendl and prof. Angelika Wiegele)
2 - 9 July 2017 : Department of Mathematics, Alpen-Adria-Universität Klagenfurt, Austria (invited by prof. Franz Rendl and prof. Angelika Wiegele)

Organization of Minisymposia/ Workshops:

Co-organization (with Lavinia Amorosi) of the RAMOO 2023 workshop, Roma, Italia, 14 September 2023 - See also IFORS News December 2023 Issue
Member of the program committee for the conference ODS 2021, Roma, Italia, 14-17 September, 2021
Organization of the session “Multiobjective Mixed Integer Optimization” for the conference EUROPT 2021, Toulouse, France, 07-09 July, 2021
Organization of the session “Mixed Integer Multiobjective Optimization” for the conference EURO 2019, Dublin, Ireland, 23-26 June, 2019
Organization of the session “Optimization in Finance” for the conference FGI 2017, Padeborn, Germany, 25-28 September, 2017
Organization of a session within the cluster “Nonlinear Optimization” for the conference ICCOPT 2016, Tokyo, Japan, 6-11 August, 2016
Organization of a session within the cluster “Nonlinear Programming” for the conference ISMP 2015 , Pittsburgh, USA ,12-17 July, 2015

Invited seminars:

25 January 2024: LIPN, Université Sorbonne Paris Nord, "A branch-and-bound method for multiobjective mixed integer quadratic programs based on dual relaxations"
4 March 2021: ESR Days, lecture on multiobjective mixed integer nonlinear programming for the workshop organized by MINOA phd students
26 February 2021: Discrete Optimization Talks (DOTs), join the mailing list https://eepurl.com/gZtvOL for details, "Exact approaches for multiobjective mixed integer nonlinear programming problems"
24 February 2020 : Department of Mathematics, Trier University, "Branch-and-bound Algorithms for structured Mixed Integer Nonlinear Programming Problems"
12 February 2020 : Dipartimento di Ingegneria e Scienze dell'Informazione e Matematica, Università dell'Aquila, "Alternating Direction Methods of Multipliers for Solving Doubly Nonnegative Programs"
6 May 2019 : Institute of Mathematics, Technische Universität Ilmenau, "Branching with Hyperplanes in the Criterion Space: the Frontier Partitioner Algorithm for Biobjective Integer Programming"
6 August 2018 : Institute of Mathematics, Technische Universität Ilmenau, "An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles"
20 March 2018 : Dipartimento di Matematica Guido Castelnuovo, Sapienza Università di Roma, "Active-set Algorithmic Frameworks for Sparse Optimization"
20 February 2018 : Faculty of Mathematics, Technische Universität Dortmund, "Active Set Frank-Wolfe Variants for Minimization over the Simplex"

Editorial activity:

Associate Editor for RAIRO - Operations ResearchandOR Spectrum (Optimization)
Reviewer for the following journals: 4OR, Computational Optimization and Applications, European Journal of Operations Research, INFORMS Journal on Computing, Journal of Global Optimization, Journal of Optimization Theory and Applications, Mathematical Methods of Operations Research, Mathematical Programming Computation, Optimization Methods and Software, Optimization Letters, Operations Research Letters, SIAM Journal on Optimization

Conferences and Workshops:

4-7 September 2023 - ODS 2023, Ischia, Italia - "On necessary optimality conditions for sets of points in multiobjective optimization"
3-7 July 2023 - Learning from Both Sides Linear and Nonlinear Mixed-Integer Optimization, Institut Mittag-Leffler, Djursholm, Sweden (invited) - "Using Dual Relaxations in Multiobjective Mixed-Integer Quadratic Programming"
30 August - 2 September 2022 - ODS 2022, Firenze, Italia (in the session I organized) - "Designing sustainable diet plans by solving a tri-objective 0-1 linear program"
29-30 July 2022 - EUROPT 2022, Caparica, Portugal - "Sequential penalty methods for mixed integer programs"
23-26 May 2022 - MIP 2022 - Mixed Integer Programming Workshop 2022, New Brunswick, NJ (USA) (invited) - "Sequential penalty methods for mixed integer programs"
24-27 October 2021 - 2021 INFORMS Annual Meeting, Anaheim, CA (USA) - (attended Online) - "Minimization Over The L1-ball Using An Active-set Non-monotone Projected Gradient"
23 September 2021 - RAMOO 2021, Wuppertal, Germany (Online) (invited) - "Detecting the efficient set of multiobjective integer quadratic programming problems"
14-17 September 2021 - ODS 2021, Roma, Italia (in the session I organized) - "Detecting the efficient set of multiobjective integer quadratic programming problems"
7-9 July 2021 - EUROPT 2021, Toulouse, France (Online - in the session I co-organized) - "Finding nondominated and efficient solutions of multiobjective quadratic integer programming problems".
4-6 March 2020 - SIGOPT 2020, Dortmund, Germany - "ADMMs for Solving Doubly Nonnegative Programming Problems".
5-8 August 2019 - ICCOPT 2019, Berlin, Germany (invited) - "Augmented Lagrangian Approaches for Solving Doubly Nonnegative Programming Problems".
23-26 June 2019 - EURO 2019, Dublin, Ireland (in the session I organized) - "The Frontier Partitioner Algorithm: a Branch and Cut algorithm for Biobjective Integer Programming".
2-8 June 2019 - Mixed-integer Nonlinear Optimization: a hatchery for modern mathematics, Oberwolfach, Germany (invited) - "An Active Set Algorithm for Robust Combinatorial Optimization".
24-26 September 2018 - First International Conference on Network Medicine and Big Data: The Transformation of Medicine, Rome, Italy - Poster : "Annotation Driven Optimized Clustering for Disease Genes Batch Identification".
10-13 September 2018 - ODS2018, 48th meeting of AIRO - Italian Operations Research Society, Taormina, Italy (invited) - "Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming".
1-6 July 2018 - 23rd International Symposium on Mathematical Programming, Bordeaux, France (invited) - "An Active Set Algorithm for Robust Combinatorial Optimization Based on Separation Oracles".
8-12 January 2018 - 22nd Combinatorial Optimization Workshop, Aussois, France (invited) - "Using a Factored Dual in Augmented Lagrangian Methods for Semidefinite Programming".
22-25 May 2017 - SIAM Conference on Optimization 2017, Vancouver, Canada (invited) - “New active-set Frank-Wolfe variants for minimization over the simplex and the l1-ball”.
4-6 November 2016 - 4th Alpen-Adria-Workshop on Optimization, Klagenfurt, Austria (invited) - “Dual bounds for (mixed) integer quadratic programming problems”.
6-11 August 2016 - ICCOPT 2016, Tokyo, Japan (in the session I organized) - “An Active Set Strategy for Nonlinear Programming Problems with Box Constraints”.
6-8 June 2016 - Cologne Twente workshop 2016, Gargnano, Italy - “Dual approaches for a specific class of integer nonlinear programming problems”.
12-17 July 2015 - ISMP 2015, Pittsburgh, U.S.A. (invited) - “A Frank-Wolfe Based Branch-and-Bound Algorithm for Mean-Risk Portfolio Optimization Problems”.
28-30 July 2014 - Optimization 2014, Guimaraes, Portugal (invited) - “A Feasible Active Set Method with Reoptimization for Convex Quadratic Mixed-Integer Programming”
19-22 May 2014 - SIAM Conference on Optimization 2014, San Diego, U.S.A. (invited) -“A Fast Active Set Block Coordinate Descent Algorithm for l1-regularized least squares”.
19-24 August 2012 - ISMP 2012, Berlin, Germany (invited) - “A method for MINLP problems with simple constraints”.
24-27 July 2011 - Optimization 2011, Caparica, Portugal - “Continuous Approaches for Mixed 0-1 Programming Problems”.
14-16 June 2011 - 10-th Cologne Twente workshop, Frascati, Italy - “A New Feasibility Pump-Like Heuristic for Mixed Integer Problems”.
16-19 May 2011 - SIAM Conference on Optimization, Darmstadt, Germany - “A New Feasibility Pump-Like Heuristic for Mixed Integer Problems”.
7 - 10 September 2010 - AIRO 2010, Reggio Calabria, Italy - “New concave penalty functions for improving the Feasibility Pump”.
11 - 15 July 2010 - EURO 2010, Lisbon, Portugal - “New concave penalty functions for improving the Feasibility Pump”.
2 - 9 July 2010 - International school of Mathematics “G.Stampacchia” in Erice, Italy - “A Newton-Type feasible method for large scale minimization problems with bound constraints”.
8 - 11 September 2009 - AIRO 2009, Siena, Italy - “A Newton-Type feasible method for large scale minimization problems with bound constraints”.

Languages:

Italian: native language.
English: good knowledge.
French: good knowledge.
German: B1 - Telc certificate (points 274.5/300)

Others:

January 2013 - July 2013: Qualification to teach mathematics and physics in Italian secondary schools (final grade 99/100)

Marianna DE SANTIS

Marianna DE SANTIS

Marianna DE SANTIS

Marianna DE SANTIS

Marianna DE SANTIS

Insegnamenti relativi all'Anno Accademico 2023-2024

Marianna DE SANTIS

Insegnamenti relativi all'Anno Accademico