Angelika Wiegele

According to our database, Angelika Wiegele authored at least 30 papers between 2006 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Strong SDP based bounds on the cutwidth of a graph.

Elisabeth Gaar, Diane Puges, Angelika Wiegele

Comput. Oper. Res., January, 2024

Computing the Edge Expansion of a Graph Using Semidefinite Programming.

Akshay Gupte, Melanie Siebenhofer, Angelika Wiegele

Proceedings of the Combinatorial Optimization - 8th International Symposium, 2024

2023

Partitioning through projections: Strong SDP bounds for large graph partition problems.

Frank de Meijer, Renata Sotirov, Angelika Wiegele, Shudian Zhao

Comput. Oper. Res., 2023

2022

BiqBin: A Parallel Branch-and-bound Solver for Binary Quadratic Problems with Linear Constraints.

Nicolò Gusmeroli, Timotej Hrga, Borut Luzar, Janez Povh, Melanie Siebenhofer, Angelika Wiegele

ACM Trans. Math. Softw., 2022

An SDP-based approach for computing the stability number of a graph.

Elisabeth Gaar, Melanie Siebenhofer, Angelika Wiegele

Math. Methods Oper. Res., 2022

SOS-SDP: An Exact Solver for Minimum Sum-of-Squares Clustering.

Veronica Piccialli, Antonio Maria Sudoso, Angelika Wiegele

INFORMS J. Comput., 2022

EXPEDIS: An exact penalty method over discrete sets.

Nicolò Gusmeroli, Angelika Wiegele

Discret. Optim., 2022

SDP-based bounds for graph partition via extended ADMM.

Angelika Wiegele, Shudian Zhao

Comput. Optim. Appl., 2022

2021

Preface.

Leo Liberti, Sebastian Sager, Angelika Wiegele

Math. Program., 2021

Towards a computational proof of Vizing's conjecture using semidefinite programming and sums-of-squares.

Elisabeth Gaar, Daniel Krenn, Susan Margulies, Angelika Wiegele

J. Symb. Comput., 2021

Improving ADMMs for solving doubly nonnegative programs through dual factorization.

Martina Cerulli, Marianna De Santis, Elisabeth Gaar, Angelika Wiegele

4OR, 2021

Tight SDP Relaxations for Cardinality-Constrained Problems.

Angelika Wiegele, Shudian Zhao

Proceedings of the Operations Research Proceedings 2021, Selected Papers of the International Conference of the Swiss, German and Austrian Operations Research Societies (SVOR/ASRO, GOR e.V., ÖGOR), University of Bern, Switzerland, August 31, 2021

2020

Security Games over Lexicographic Orders.

Stefan Rass, Angelika Wiegele, Sandra König

Proceedings of the Decision and Game Theory for Security - 11th International Conference, 2020

2019

QPLIB: a library of quadratic programming instances.

Fabio Furini, Emiliano Traversi, Pietro Belotti, Antonio Frangioni, Ambros M. Gleixner, Nick Gould, Leo Liberti, Andrea Lodi, Ruth Misener, Hans D. Mittelmann, Nikolaos V. Sahinidis, Stefan Vigerske, Angelika Wiegele

Math. Program. Comput., 2019

SDP-based branch-and-bound for non-convex quadratic integer optimization.

Christoph Buchheim, Maribel Montenegro, Angelika Wiegele

J. Glob. Optim., 2019

An Optimization-Based Sum-of-Squares Approach to Vizing's Conjecture.

Elisabeth Gaar, Angelika Wiegele, Daniel Krenn, Susan Margulies

Proceedings of the 2019 on International Symposium on Symbolic and Algebraic Computation, 2019

BiqBin: Moving Boundaries for NP-hard Problems by HPC.

Timotej Hrga, Borut Luzar, Janez Povh, Angelika Wiegele

Proceedings of the Advances in High Performance Computing, 2019

2018

Using a factored dual in augmented Lagrangian methods for semidefinite programming.

Marianna De Santis, Franz Rendl, Angelika Wiegele

Oper. Res. Lett., 2018

2017

Using a Conic Bundle Method to Accelerate Both Phases of a Quadratic Convex Reformulation.

Alain Billionnet, Sourour Elloumi, Amélie Lambert, Angelika Wiegele

INFORMS J. Comput., 2017

Another pedagogy for mixed-integer Gomory.

Jon Lee, Angelika Wiegele

EURO J. Comput. Optim., 2017

2016

Exact Solution Methods for the k-Item Quadratic Knapsack Problem.

Lucas Létocart, Angelika Wiegele

Proceedings of the Combinatorial Optimization - 4th International Symposium, 2016

A Coordinate Ascent Method for Solving Semidefinite Relaxations of Non-convex Quadratic Integer Programs.

Christoph Buchheim, Maribel Montenegro, Angelika Wiegele

Proceedings of the Combinatorial Optimization - 4th International Symposium, 2016

2015

A Hierarchy of Subgraph Projection-Based Semidefinite Relaxations for Some NP-Hard Graph Optimization Problems.

Elspeth Adams, Miguel F. Anjos, Franz Rendl, Angelika Wiegele

INFOR Inf. Syst. Oper. Res., 2015

2013

Semidefinite relaxations for non-convex quadratic mixed-integer programming.

Christoph Buchheim, Angelika Wiegele

Math. Program., 2013

2010

Solving Max-Cut to optimality by intersecting semidefinite and polyhedral relaxations.

Franz Rendl, Giovanni Rinaldi, Angelika Wiegele

Math. Program., 2010

Building a Quantum Network: How to Optimize Security and Expenses.

Stefan Rass, Angelika Wiegele, Peter Schartner

J. Netw. Syst. Manag., 2010

Exact Algorithms for the Quadratic Linear Ordering Problem.

Christoph Buchheim, Angelika Wiegele, Lanbo Zheng

INFORMS J. Comput., 2010

2009

Regularization Methods for Semidefinite Programming.

Jérôme Malick, Janez Povh, Franz Rendl, Angelika Wiegele

SIAM J. Optim., 2009

2007

A Branch and Bound Algorithm for Max-Cut Based on Combining Semidefinite and Polyhedral Relaxations.

Franz Rendl, Giovanni Rinaldi, Angelika Wiegele

Proceedings of the Integer Programming and Combinatorial Optimization, 2007

2006

A Boundary Point Method to Solve Semidefinite Programs.

Janez Povh, Franz Rendl, Angelika Wiegele

Computing, 2006