Angelika Wiegele

Addressresident in Klagenfurt am Wörthersee, Austria.

currentaffiliation

Alpen-Adria-Universität Klagenfurt, Institut für Mathema-tik, Universitätsstr. 65-67, 9020 Klagenfurt am Wörthersee.

phone/fax +43 (0)463 2700 3119, +43 (0)463 2700 99 3119.email angelika.wiegele@aau.at.

EducationMar 2013 Venia docendi for Applied Mathematics, Alpen-Adria-

Universität Klagenfurt.Degree: Privatdozentin

titel of thethesis

On Semidefinite Programming for Quadratic Optimization.

May 2002–Oct 2006

Doctoral studies in Mathematics, Alpen-Adria-UniversitätKlagenfurt.Degree: Dr. techn., passed with distinction

title of thethesis

Nonlinear Optimization Techniques applied to Combinato-rial Optimization Problems, Supervisor: Franz Rendl.

Oct 1994–May 2001

Diploma studies in Mathematics, Alpen-Adria-UniversitätKlagenfurt.Degree: Dipl.-Ing., passed with distinction

title of thethesis

Efficient polystyrene cutting, Supervisor: Franz Rendl.

Sep 1998–Jun 1999

Socrates Exchange Student, City University London, Mathe-matics Department.

Jun 1994 Matura, Höhere Technische Bundes-, Lehr- und VersuchsanstaltVillach.passed with distinction

Academic employmentsince August

2013Associate Professor, Alpen-Adria-Universität Klagenfurt, Insti-tut für Mathematik.

Mar 2007–Jul 2013

Senior assistant professor (Assistenzprofessorin), Alpen-Adria-Universität Klagenfurt, Institut für Mathematik.

Sep 2007–Dec 2007

Researcher, IASI-CNR, Rome.

Dec 2006–Feb 2007

Researcher, Universität zu Köln, Institut für Informatik.

Mar 2004–Nov 2006

Research and teaching assistant (Universitätsassistentin),Alpen-Adria-Universität Klagenfurt, Institut für Mathematik.

Mar 2006–May 2006

Researcher, IASI-CNR, Rome.

May 2002–Feb 2004

Research stipendiary (Wissenschaftliche Mitarbeiterin inAusbildung), Alpen-Adria-Universität Klagenfurt, Institut fürMathematik.

Sep 2001–Feb 2002

Research and teaching assistant (Universitätsassistentin),Technische Universität Graz, Institut für Mathematik B.

Mar 2000–Jun 2000

Industrial project, TU Eindhoven, Department of Mathematicsand Computer Science, Supervisor: Rudi Pendavingh.

Publications in peer-reviewed journals and bookchapters

[1] Using a conic bundle method to accelerate both phasesof a quadratic convex reformulation, 21 pages, to appear inINFORMS Journal on Computing.with Alain Billionnet, Sourour Elloumi and Amélie Lambert

[2] A coordinate ascent method for solving semidefinite relax-ations of non-convex quadratic integer programs, 16 pages,to appear in Lecture Notes in Computer Science.with Christoph Buchheim and Maribel Montenegro

[3] Exact Solution Methods for the k-item Quadratic Knap-sack Problem, 12 pages, to appear in Lecture Notes in Com-puter Science.with Lucas Létocart

[4] A Hierarchy of Subgraph Projection-Based SemidefiniteRelaxations for some NP-Hard Graph Optimization Prob-lems., INFOR: Information Systems and Operational Research,53(1), 40–48, 2015.with Elspeth Adams, Miguel F. Anjos, and Franz Rendl

[5] Solving k-way graph partitioning problems to optimality:the impact of semidefinite relaxations and the bundlemethod, In: Facets of Combinatorial Optimization, Festschriftfor Martin Grötschel, pages 355-386. Springer, Berlin, 2013.with Miguel Anjos, Bissan Ghaddar, Lena Hupp, and Frauke Liers

[6] Semidefinite relaxations for non-convex quadratic mixed-integer programming, Math. Programming, 141(1, Ser.A):435–452, 2013.with Christoph Buchheim

[7] On time complexity of semidefinite programs arising inpolynomial optimization, Croatian Operational Research Re-view, 3:126–136, 2012.with Igor Klep and Janez Povh

[8] Computational approaches to max-cut, In Handbook onSemidefinite, Conic and Polynomial Optimization, volume 166of International Series in Operations Research & ManagementScience, pages 821–847, 2012.with Laura Palagi, Veronica Piccialli, Franz Rendl, and Giovanni Rinaldi

[9] Solving max-cut to optimality by intersecting semidefiniteand polyhedral relaxations, Math. Programming, 121(2, Ser.A):307–335, 2010.with Franz Rendl and Giovanni Rinaldi

[10] Exact algorithms for the quadratic linear ordering problem,INFORMS Journal on Computing, 22(1):168–177, 2010.with Christoph Buchheim and Lanbo Zheng

[11] Building a quantum network: how to optimize securityand expenses, Journal of Network and Systems Management,18:283–299, 2010.with Stefan Rass and Peter Schartner

[12] Regularization methods for semidefinite programming,SIAM Journal on Optimization, 20(1):336–356, 2009.with Jérôme Malick, Janez Povh, and Franz Rendl

[13] A branch and bound algorithm for max-cut based on com-bining semidefinite and polyhedral relaxations, In Integerprogramming and combinatorial optimization, volume 4513 ofLecture Notes in Computer Science, pages 295–309. Springer,Berlin, 2007.with Franz Rendl and Giovanni Rinaldi

[14] A boundary point method to solve semidefinite programs,Computing, 78(3):277–286, 2006.with Janez Povh and Franz Rendl

Teaching experienceI have been teaching at the University of Klagenfurt and at the Technical Uni-versity of Graz (Winter term 01/02). My teaching includes lectures and exercisesessions for the study programs mathematics, computer science, informationtechnology, business administration, and for teacher training (mathematics andcomputer science).

Summer 16 Nichtlineare Optimierung (4 hours/week), ProseminarDiskrete Mathematik (2 hours/week), Übungen zu Lin-eare Algebra und Diskrete Mathematik (2 hours/week).

Winter 15/16 Lineare Optimierung (3 hours/week), Übungen zu LineareAlgebra 1 (2 hours/week), Seminar mit Bachelorarbeit(1 hour/week).

Summer 15 Ganzzahlige Optimierung (3 hours/week), Übungen zu Lin-eare Algebra 2 (2 hours/week), Einführung in die Technis-che Mathematik (1 hour/week), Praktikum AngewandteMathematik (2 hours/week).

Winter 14/15 Brückenkurs Mathematik (2 hours/week), Einführungin die Technische Mathematik (1 hour/week), Prak-tikum Angewandte Mathematik (2 hours/week), Übun-gen zu Analysis 1 (1 hour/week), Seminar mit Bach-elorarbeit (1 hour/week), Übungen zu Mathematik fürWirtschaftswissenschaften (2 hours/week).

Summer 14 Ganzzahlige Optimierung (3 hours/week), Übungen zu Lin-eare Algebra 2 (2 hours/week), Seminar mit Bachelorar-beit (1 hour/week).

Winter 13/14 Algorithmische Graphentheorie (3 hours/week), Brück-enkurs Mathematik (2 hours/week), Seminar mit Bach-elorarbeit (1 hour/week).

Summer 13 Ausgewählte Kapitel des Operations Research(3 hours/week), Kurs Mathematik für Wirtschaftswis-senschaften (1 hour/week), Übungen zu Lineare Algebraund Diskrete Mathematik (2 hours/week).

Winter 12/13 Kombinatorische Strukturen (3 hours/week), Übungen zuKombinatorische Strukturen (1 hour/week), Kurs Mathe-matik für Wirtschaftswissenschaften (2 hours/week).

Summer 12 Operations Research I (2 hours/week), Übungen zu Oper-ations Research I (2 hours/week).

Winter 11/12 Ganzzahlige Optimierung (3 hours/week).Summer 11 Operations Research I (2 hours/week), Übungen zu Opera-

tions Research I (2 hours/week), Mathematische Software(1 hour/week).

Winter 10/11 Kombinatorik und Graphentheorie (3 hours/week), Übun-gen zu Kombinatorik und Graphentheorie (1 hour/week),Übungen zu Diskrete Mathematik (1 hour/week).

Summer 10 Algorithmische Graphentheorie (3 hours/week), Übungenzu Lineare Algebra I (2 hours/week).

Winter 09/10 Kombinatorik und Graphentheorie (3 hours/week), Übun-gen zu Kombinatorik und Graphentheorie (1 hour/week).

Summer 09 Ausgewählte Kapitel der Kombinatorik und Graphenthe-orie (3 hours/week), Übungen zu Operations Research I(1 hour/week).

Winter 08/09 Kombinatorik und Graphentheorie (3 hours/week), Übun-gen zu Kombinatorik und Graphentheorie (1 hour/week).

Summer 08 Nichtlineare Optimierung (3 hours/week), Übungen zu Op-erations Research I (2 hours/week).

Summer 07 Algorithmische Graphentheorie (3 hours/week), Übungenzu Analysis II (2 hours/week).

Winter 06/07 Übungen zu Mathematik für Informatiker I(2 hours/week).

Winter 05/06 Übungen zu Mathematik für Informatiker I(2 hours/week).

Summer 05 Übungen zu Operations Research I (2 hours/week), Übun-gen zu Kombinatorik und Graphentheorie (1 hour/week).

Winter 04/05 Übungen zu Mathematik für Informatiker I(4 hours/week).

Summer 04 Übungen zu Operations Research I (3 hours/week).

Winter 01/02 Übungen zu Mathematische Modelle in denWirtschaftswissenschaften (1 hour/week).

Winter 99/00 Tutorium zu Mathematik für Informatiker I(2 hours/week).

Summer 98 Tutorium zu Mathematik für Informatiker II(2 hours/week).

Supervision of students2015 Online-Optimierung in der Telekommunikation, Bachelor

thesis, Mitar Šiko.2015 Anwendung von Max-Cut-Solvern im Bereich Sport

Scheduling, Bachelor thesis, Student Raphael Wigoutschnigg.2014 Solving Portfolio Selection Problems using QMIST, Intern,

Lucile Brethome.2013 k-item quadratisches Rucksackproblem, Master thesis, Stu-

dent Bettina Skreinig.2013 Online Graphfärbung, Bachelor thesis, Student Selina Schoas.2013 Das Quadratische Rucksackproblem und seine Transforma-

tion in das Max-Cut Problem, Bachelor thesis, Student LarissaJanz.

2013 Das k-Cluster Problem und seine Transformation inein Max-Cut Problem, Bachelor thesis, Student RamonaPekastnig.

2012 Optimierung in der Photovoltaik Produktion, Industrialproject at KIOTO Photovoltaics GmbH, Student BettinaSkreinig.

2011 Approximationsalgorithmen für das Färbungsproblem beiGraphen und Hypergraphen, Bachelor thesis, Student JuliaRessmann.

2011 Optimaler Ressourceneinsatz bei der Herstellung von Met-allegierungen, Industrial project at Treibacher Industrie AG,Student Dominic Imsirovic.

2009 Optimization of picture-point generation for aerial map-ping, Diploma thesis as part of the cDrones project, StudentKarin Kruggel.

Invited talks at conferences and seminar talksApr 2014 MINO/COST Spring School on Convex Optimization

and Applications, Semidefinite Optimization: Algorithms,Klagenfurt.

Mar 2014 TU Graz, Seminar Diskrete Mathematik und Optimierung,A hierarchy of subgraph projection-based semidefinite Relaxationsfor some NP-hard graph optimization Problems, Graz.

Aug 2013 Isaac-Newton-Institute for Mathematical Sciences,Semidefinite Relaxations for various non-convex quadraticoptimization problems, Cambridge.

Mar 2013 Habilitationskolloquium, Kombinatorische Optimierung:Modellierung-Relaxierung-Lösung, Alpen-Adria-UniversitätKlagenfurt.

Feb 2013 Université Paris 13, LIPN, Discrete Optimization UsingSemidefinite Methods, Paris.

Aug 2012 Hearing for the W2 professorship “Diskrete Optimierung”,Diskrete Optimierung mittels Semidefiniter Methoden, TUBerlin.

Apr 2010 European Workshop on Mixed Integer Nonlinear Program-ming, Using SDP for Solving MIQP, CIRM Marseille.

Jun 2009 Mixed Integer Programming Workshop MIP 2009, An SDPRelaxation for Sparse Max-Cut Problems, Berkley.

Feb 2009 Oberseminar Institut für Informatik, Solving CombinatorialOptimization Problems using the Bundle Method, Cologne.

Feb 2008 Emory Combinatorics Seminar, Solving Max-Cut UsingSemidefinite Programming, Atlanta.

Jan 2008 Emory Combinatorics Colloquium, Using Semidefinite Pro-gramming for Solving Combinatorial Optimization Problems,Atlanta.

Oct 2007 Jahrestagung der Österreichischen Gesellschaft für Oper-ations Research, Nonlinear Optimization Techniques Appliedto Combinatorial Optimization Problems, Vienna.

Mar 2007 ISDS Kolloquium, Universität Wien, Combining semidefiniteand polyhedral relaxations for solving the Max-Cut problem,Vienna.

Feb 2007 Technische Universität Dortmund, Ein exakter Lösungs-algorithmus des Max-Cut Problems, Dortmund.

Feb 2007 Universität zu Köln, Solving Max-Cut, Cologne.

Feb 2007 Tilburg University, Biq Mac - a solver for BInary Quadraticand MAx-Cut problems, Tilburg.

Jan 2007 Konrad-Zuse-Zentrum für Informationstechnologie Berlin,Mixing semidefinite and polyhedral relaxations in a Branch andBound framework for solving the Max-Cut problem, Berlin.

Apr 2006 IASI-CNR Rome, An exact solution method for the Max-Cutproblem, Rome.

May 2004 McMaster Optimization Day, Semidefinite relaxations forsparse Max-Cut problems, Hamilton.

Presentations at conferences and workshopsJan 2013 17th Combinatorial Optimization Workshop, A new

strengthening of semidefinite max-cut relaxations, Aussois.Aug 2012 21st International Symposium on Mathematical Program-

ming, Lasserre Hierarchy from a Computational Point of View,Berlin.

Apr 2012 ECCO 2012 - 25th Conference of European Chapter onCombinatorial Optimization, QMIST - An algorithm for solv-ing non-convex quadratic mixed-integer problems, Antalya.

Jul 2011 Optimization 2011, An Exact Solution Method for Non-ConvexMIQP, Lisbon.

May 2011 SIAM Conference on Optimization, A Semidefinite Relax-ation for Sparse Max-Cut Problems, Darmstadt.

Jul 2010 Nonlinear Optimization, Variational Inequalities and Equi-librium Problems, Semidefinite Relaxations for Non-ConvexQuadratic Mixed-Integer Programming, Erice.

Jan 2010 14th Combinatorial Optimization Workshop, Using SDP forsolving Non-Convex MIQP, Aussois.

Sep 2009 XL Annual Conference of the Italian Operations ResearchSociety, Solving Semidefinite Programs by Factorizing the Dual,Siena.

Sep 2009 17. Kongress der Österreichischen MathematischenGesellschaft, First Experiments with an SDP based Branch-and-Bound Algorithm for solving non-convex QP, Graz.

Nov 2008 Mixed-Integer Nonlinear Optimization: Algorithmic Ad-vances and Applications, Exact Algorithms for the QuadraticLinear Ordering Problem, IMA, Minneapolis, poster presentation.

May 2008 SIAM Conference on Optimization, Solving Quadratic 0 − 1and Max-Cut Problems by Semidefinite Programming, Boston.

Jun 2007 IPCO 2007, The 12th Conference on Integer Program-ming and Combinatorial Optimization, Cornell University,A Branch and Bound Algorithm for Max-Cut Based on Com-bining Semidefinite and Polyhedral Relaxations, Ithaca, NewYork.

Feb 2007 Carinthian/Cologne combinatorics and latest optimiza-tion research exchange seminar, Mehr als nur Max-Cut,Innerkrems.

Feb 2006 Carinthian/Cologne combinatorics and latest optimizationresearch exchange seminar, SDP, Branch & Bound und Max-Cut, Innerkrems.

Jan 2006 10th Combinatorial Optimization Workshop, SDP basedBranch & Bound for Max Cut, Aussois.

May 2005 8th SIAM Conference on Optimization, A boundary pointmethod for Semidefinite Programs, Stockholm.

Mar 2005 9th Combinatorial Optimization Workshop, A boundarypoint method for Semidefinite Programs, Aussois.

Feb 2005 Carinthian/Cologne combinatorics and latest optimizationresearch exchange seminar, Eine ‘Randpunktemethode’ zumLösen Semidefinter Programme, Innerkrems.

Sep 2004 FRICO 04 – 8th Workshop on Combinatorial Optimization,Semidefinite Relaxierungen für das Max-Cut Problem, Cottbus.

May 2004 Workshop on Large Scale Nonlinear and Semidefinite Pro-gramming, Semidefinite relaxations for sparse Max-Cut prob-lems, Waterloo, poster presentation.

Dec 2003 Carinthian/Cologne Combinatorics and latest optimizationresearch exchange seminar, Nutzung von Information 2. Ord-nung zur Beschleunigung der Spectral Bundle Methode, Cologne.

Sep 2003 Operational Research Peripatetic Postgraduate Pro-gramme, Semidefinite relaxations for sparse Max-Cut problems,Lambrecht.

Aug 2003 18th International Symposium on Mathematical Program-ming, Semidefinite relaxations for sparse Max-Cut problems,Copenhagen.

Mar 2003 7th Combinatorial Optimization Workshop, Semidefinite re-laxations for sparse Max-Cut problems, Aussois.

Nov 2002 IASI Workshop on Bundle Methods and Max-Cut Prob-lems, Semidefinite relaxations for the Max-Cut problem, Rome.

Sep 2002 FRICO 02 – 6th Workshop on Combinatorial Optimization,Verschnittminimierung in der Verpackungsindustrie – eine Lösungdes eindimensionalen Cutting Stock Problems durch ColumnGeneration, Cologne.

Research visits2013, 2014 Laboratoire d’Informatique de l’Université Paris Nord, In-

stitut Galilée, two weeks each.2013 Isaac-Newton-Institute for Mathematical Sciences, Cam-

bridge, two weeks.2012 Ecole Polytechnique de Montreal, Département de math-

ématiques et de génie industriel, one week.2012 Universität Erlangen, Department Mathematik, one week.

2009, 2011,2013

TU Dortmund, Fakultät für Mathematik, one week each.

2009, 2011 Univerza v Ljubljani, Fakulteta za matematiko in fiziko,three days each.

2009 TU München, Fakultät für Mathematik, one week.2008 Universitá di Bologna, Dipartimento di Elettronica, Infor-

matica, Sistemistica, one week.2008 Universitá di Roma La Sapienza, Dipartimento di Informat-

ica e Sistemistica, one week.2008 Emory University, Department of Mathematics & Com-

puter Science, one week.2005 Centre de recherche Inria, Grenoble, one week.

2004, 2009,2010, 2011,

2012

Universität zu Köln, Institut für Informatik, 4 weeks in total.

2002, 2005 IASI – CNR Rome, one week each.

Research grants2011–2012 ÖAD – Austrian agency for international cooperation in

education and research, Algorithms for matricial polynomials,Bilateral research project with Slovenia. PI in Slovenia: IgorKlep, travel grants ¤ 5062.

Jul 2009 FFG – Austrian Research Promotion Agency, generationinnovation Praktika, Project for integrating talented undergrad-uates in research projects, ¤ 1000.

2008–2009 Forschungsrat der AAU, A low-rank approach for solving sparsemax-cut problems, Research project jointly with Veronica Piccialli,travel grants ¤ 1665.

Awards2013 Ranked 3rd for the W2-professorship “Diskrete Opti-

mierung” at TU Berlin.2012 Förderungspreis für Naturwissenschaften/Technische Wis-

senschaften des Landes Kärnten.2008 Die Lupe 2008 – Award for excellent science

communication.2007 ÖGOR BA-CA Dissertations Preis für Operations

Research.2007 Preis der Dr.-Maria-Schaumayerstiftung.2004 Best Poster Presented by a Student at Fields-MITACS

Large Scale Nonlinear and Semidefinite ProgrammingWorkshop (Waterloo).

2003 Förderstipendium des Studiendekanats der Fakultät fürWirtschaftswissenschaften und Informatik.

RefereeI act as a referee for the Journals Mathematical Programming A and B, SIAMJournal on Optimization, Discrete Applied Mathematics, Discrete Optimiza-tion, Journal of Combinatorial Optimization, 4OR, Optimization Methods &Software, Computers and Operations Research, Naval Research Logistics, Oper-ations Research Letters, Journal of Global Optimization, INFORMS Journal onComputing.

Organization of conferences and workshopsI organized or co-organized the following scientific events.

Oct 18–24,2015

Workshop Mixed-integer Nonlinear Optimization: AHatchery for Modern Mathematics, MathematischesForschungsinsitut Oberwolfach.

7.–11. Apr2014

MINO/COST Spring School on Convex Optimization andApplications, Klagenfurt.

May 12–14,2011

2nd Alpen-Adria Optimization Workshop, Klagenfurt.

Aug 20–Sep3, 2010

Euro Summer Institute (ESI), Klagenfurt.

Jun 3–5,2010

1st Alpen-Adria Optimization Workshop, Klagenfurt.

Feb 24–28,2007

Carinthian/Cologne combinatorics and latest optimizationresearch exchange seminar, Innerkrems.

Feb 11–15,2006

Carinthian/Cologne combinatorics and latest optimizationresearch exchange seminar, Innerkrems.

Sep 18–23,2005

Mathematik 2005 – 16. Internationaler Kongressder Österreichischen Mathematischen Gesellschaft undJahrestagung der Deutschen Mathematiker-Vereinigung,Klagenfurt.

Sep 12–16,2005

Doctoral school on: Optimization over Polynomials andSemidefinite Programming, Klagenfurt.

Feb 16–20,2005

Carinthian/Cologne combinatorics and latest optimizationresearch exchange seminar, Innerkrems.

Apr 26–28,2004

21st LL-Seminar (Leoben-Ljubljana) on Graph Theory,Klagenfurt.

Sep 12–13,2003

FRICO 03 – 7th Workshop on Combinatorial Optimization,Klagenfurt.

Sep 2–5,2002

OR2002 – International Conference on Operations Re-search, Klagenfurt.

Administrative activitiessince 2007 Head of the Curricularkommission Mathematik.

2016 Member of a hiring committee (BerufungskommissionSmart Grids) at the Alpen-Adria-Universität.

2010–2016 Member of the senate.since 2015 Head of the PR Team of the Faculty of Technical Sciences.since 2015 Faculty representative in the “Nachhaltigkeitsbeirat”

(EMAS).2015 Member of a habilitation committee at the Alpen-Adria-

Universität.2014 Member of a habilitation committee at the Alpen-Adria-

Universität.2013 Member of a hiring committee (Berufungskommission Em-

bedded Systems) at the Alpen-Adria-Universität.2010–2013 Member of the Curricularkommission Informationstechnik.

2011 Member of a habilitation committee at the Alpen-Adria-Universität.

2011 Member of a hiring committee (BerufungskommissionDiskrete Mathematik) at the Alpen-Adria-Universität.

2009/2010 Administrative supervisor of the Mathematics Erasmus In-coming Students (Mauro Piacentini, Sabine Trefond).

Public relationssince 2008 Presentations and workshops in high schools and barracks.since 2008 Participation at fairs and various events in high schools.2008, 2010 Lange Nacht der Forschung.2008–2011 Supervision of pupils under the project “Forschung macht

Schule”, (july each year).2005–2008 “FiT – Frauen in die Technik” - for the advancement of

women in mathematics: information days, career brunch,mentoring program, interviews on the radio and for news-papers, etc.

Further trainingI attended workshops and trainings for proposal writing, presentation skills,communication, etc.; workshops for the development of a corporate culture ofthe faculty of technical sciences of the Alpen-Adria-Universität; language courses(English, Italian, Slovene).