January: Seminar EPFL, Lausanne
February-May: ICERM semester program „Point configurations in geometry, physics, and computer science“, Brown, Providence RI
April 3-4: Nederlands Mathematisch Congress, Koningshof in Veldhoven
April 5: 6th SDP day, CWI Amsterdam
April 9-13: Organization (with A. Schürmann, S. Torquato, R. Womersly) of Workshop „Computation and Optimization of Energy, Packing, and Covering“, ICERM, Brown, Providence RI
June 18-22: Conference in honor of Thomas C. Hales: „From the Fundamental Lemma to Discrete Geometry, To Formal Verification“, University of Pittsburgh
July 1-6: ISMP 2018, Bordeaux
September 24-28: Workshop „Discrete geometry and automorphic forms“, American Institute of Mathematics
August: Discrete Phase Space Methods for Quantum Fault-Tolerance, DPG Physics Centre, Bad Honnef
September: SFB Retreat
December 3: Colloquium „Research Training Network Algorithmic Optimization“, Trier


January: Combinatorial Optimization Workshop, Aussois
January: Seminar talk, University of Frankfurt
April: Arctic Applied Algebra, UiT, The Arctic University of Norway
May: Kolloquium, Rostock
June: Oberwolfach workshop: Mixed-Integer Nonlinear Optimization
July: Seminar talk, EPF Lausanne
July: SIAM Conference Applied Algebraic Geometry, Bern
September: Organization (with Silvia Sabatini) of Workshop on Discrete Geometry with a view on Symplectic and Tropical Geometry, Cologne
December: Workshop on conic and copositive optimization, Linz


February: Workshop: Lattices: Algorithms, Complexity, and Cryptography, Simons Institute for the Theory of Computing, Berkeley
March: Oberwolfach Workshop „Real Algebraic Geometry with a View Toward Hyperbolic Programming and Free Probability“
June: Strobl20 Conference on applied harmonic analysis and friends