Events
Upcoming
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Point configurations: from statistical physics to potential theory, 4-8 May, 2026, CIRM, Luminy
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Conic Linear Optimization for Computer-assisted Proofs, 17-22 May, 2026, MFO, Overwolfach
2025
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Semidefinite programming: applications & solution methods, 7-11 July, 2025, Lorentz Center, Leiden (organized together with Angelika Wiegele and Fernando Oliveira)
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EURO 2025, June 22 - June 25, 2025, Leeds
2024
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EURO 2024, June 30 - July 3, 2024, Copenhagen
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26th International Symposium on Mathematical Theory of Networks and Systems, 19-23 August, 2024, Cambridge
2023
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SIAM Conference on Applied Algebraic Geometry, July 10-14, 2023, Eindhoven
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EUROpt 2023, August 23-25, 2023, Budapest
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POP23 - Future Trends in Polynomial Optimization, November 13-17, 2023, Toulouse
2022
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Three days of computational methods for extremal discrete geometry, November 30 - December 2, 2022, Köln
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Workshop on Semidefinite and Polynomial Optimization , 29 August - 2 September, 2022, CWI Amsterdam
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Conic Linear Optimization for Computer-Assisted Proofs, April 10 - 16, 2022, MFO Oberwolfach
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ESI Programme on “Optimal Point Configurations on Manifolds, Januari 10-21, 2022, Schrödinger institute, Vienna
2021
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Cambridge seminar on Mathematics of Information, October 20, 2021, Online
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SIAM conference on Applied Algebraic Geometry, August 16-20, 2021, Online
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Dutch Seminar on Optimization, January 28, 2021, Online
2020
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Sphere Packing and the Conformal Bootstrap, December 14-18, 2022, Simons center
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Summer School on Optimization, Interpolation and Modular Forms, August 24-28, 2020, EPFL
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Point Distributions Webinar, July 1, 2020
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Oberseminar Optimierung, Geometrie und diskrete Mathematik, June 24, 2020, Cologne
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KdVI General Mathematics Colloquium, March 4, 2020, UvA
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Oberseminar, January 10, 2020, Konstanz
2019
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Computations and LP Bounds for Energy, Packing, and Covering, May 10-12, 2019, Vanderbilt
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International Workshop on Operator Theory and its Applications, July 22-26, 2019, Lisbon
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SIAM Conference on Applied Algebraic Geometry, July 9-13, 2019, Bern
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Vanderbilt Computational Analysis Seminar, March 18, 2019
Blackoard talk: Pair correlation estimates for the zeros of the zeta-function via semidefinite programming -
Emory Algebra Seminar, February 5, 2019
Blackoard talk: Pair correlation estimates for the zeros of the zeta-function via semidefinite programming
2018
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Northeastern Geometry, Algebra, Singularities, Combinatorics seminar, October 15, 2018
Blackboard talk: Bounds for spherical finite distance sets -
AMS Sectional Meeting, September 29-30, 2018, University of Delaware
Slides: Entanglement dimension and noncommutative polynomial optmization -
Discrete geometry and automorphic forms, September 24-28, 2018, AIM, San Jose
Blackboard talk: Sums-of-squares and sphere packing -
From the Fundamental Lemma to Discrete Geometry, to Formal Verification, June 18-22, 2018, University of Pittsburgh
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Computation and Optimization of Energy, Packing, and Covering, April 9-13, ICERM, Providence
Slides: New bounds for spherical finite distance sets (video) -
Point Configurations in Geometry, Physics and Computer Science, February 4-May 4, ICERM, Providence
Blackboard talk: Semidefinite programming III, 7 March 2018
2017
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MIT Combinatorics Seminar, 13 October 2017, Cambridge
Blackboard talk: Applications of noncommutative polynomial optimization -
Hierarchies, Extended Formulations and Matrix-Analytic Techniques, November 6-9, 2017, Simons Institute, Berkeley
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Seminar Mathematical Optimization and Quantum Information Theory, August 7-9, 2017, Bad Honnef
Blackboard talk: Bounds on quantum entanglement dimensions -
DIAMANT Symposium, June 1, 2, 2017, Breukelen
Slides: Using (noncommutative) polynomial optimization to bound matrix factorization ranks -
SIAM Conference on Optimization, May 22-25, 2017, Vancouver
Slides: Using noncommutative polynomial optimization for matrix factorization ranks -
53rd National Mathematical Congress, April 11, 12, 2017, Utrecht
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Real algebraic geometry with a view toward moment problems and optimization, March 5-11, 2017, MFO, Oberwolfach
Slides: High precision computations for energy minimization -
Aussois Combinatorial Optimization Workshop, January 9-13, 2017, CNRS, Aussois
Slides: Using polynomial optimization to bound matrix factorization ranks
2016
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Symposium Quantum Software in the Netherlands, November 25, 2016, CWI, Amsterdam
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5th SDP Day: Applications of Semidefinite Optimization, June 30, 2016, CWI, Amsterdam
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Heilbronn and QALGO quantum algorithms meeting, April 14-16, 2016, Cambridge
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Moment problems in theoretical physics, April 7-9, 2016, Konstanz
Slides: Moment methods in energy minimization -
Thesis defense, January 29, 2016, Delft
Slides: Layman’s talk: Moment methods in extremal geometry
2015
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CWI Lectures on Quantum Computing, December 3, 2015, Amsterdam
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Zero-error information, Operators, and Graphs, November 25-27, 2015, Barcelona
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Intuitive Geometry, László Fejes Tóth Centennial, June 22-28, 2015, Budapest
Slides: Moment methods in energy minimization -
Dutch Mathematical Congress, April 14-15, 2015, Leiden
Slides: Moment methods in extremal geometry -
Combinatorial and algorithmic aspects of convexity, January 19-23, 2015, Institut Henri Poincaré, Paris
2014
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Minimal energy pointsets, lattices, and designs, October 12 - November 1, 2014, Erwin Schrödinger Institute, Vienna
Slides: Energy minimization via moment hierarchies -
Utrecht Combinatorics Workshop, November 7, 2014, Utrecht
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IFORS, July 13-18, 2014, Barcelona
Slides: Energy minimization via conic programming hierarchies -
Recent methods in sphere packing and optimization, June 8-14, 2014, MFO, Oberwolfach
Blackboard talk: Energy minimization via conic programming hierarchies -
SIAM conference on optimization, May 19-22, 2014, San Diego
Slides: Energy minimization via conic programming hierarchies -
Research visit at Microsoft Research New England (Host: Henry Cohn), May 5-16, 2014, Cambridge, MA
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Dutch Mathematical Congress, April 16-17, 2014, Delft
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Applications of Real Algebraic Geometry, February 27 - March 2, 2014, Aalto University, Helsinki
Slides: A semidefinite programming hierarchy for packing problems in discrete geometry
2013
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GeoLMI 2013, Conference on Geometry and Algebra of Linear Matrix Inequalities, November 12-16, 2013, CIRM, Luminy
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ERC Worksop, Delaunay Geometry: Polytopes, Triangulations, and Spheres, October 7-9, 2013, FU Berlin
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Polynomial Optimisation, July 15-19, 2013, Newton Institute, Cambridge
Slides: A semidefinite programming hierarchy for geometric packing problems (video) -
4th SDP days, March 21-22, 2013, CWI, Amsterdam
Slides: A semidefinite programming hierarchy for geometric packing problems
2012
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DIAMANT Symposium, November 29, 30, 2012, Doorn
Slides: A semidefinite programming hierarchy for geometric packing problems -
WONDER minicourse on Random Optimization Problems, November 6-9, 2012, Eindhoven
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MFO Workshop, Optimal and near optimal configurations on lattices and manifolds, August 19-25, 2012, Oberwolfach
Slides: Polydisperse spherical cap packings -
HPOPT, 12th International Workshop on High Performance Optimization, June 20-22, 2012, Delft
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Dutch Mathematical Conference, April 12, 2012, Eindhoven
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Emerging Developments in Real Algebraic Geometry, February 20-24, 2012, Magdeburg
Slides: Upper bounds for multiple-size spherical cap packings -
37th conference on The Mathematics of Operations Research, January 17, 19, 2012, Lunteren
2011
- ERC Workshop, High-Complexity Discrete Geometry, October 24-27, 2011, FU Berlin