- Exact semidefinite programming bounds for packing problems
- University of Cologne, June 18th, 2019 (seminar talk)

- Kissing number of the hemisphere in dimension 8
- A
^{^}3 — Arctic Applied Algebra, April 5th, 2019, Tromsø (talk)
- SIAM Conference Applied Algebraic Geometry, Bern, July 11th, 2019 (invited talk)

- Introduction to Semidefinite Optimization
- Université de Neuchâtel, November 12th & 13th, 2018 (seminar talks)
- Workshop
*Discrete geometry and automorphic forms*, AIM, San Jose CA, September 18th, 2018 (invited talk)

- Packings of Superballs
- Université de Neuchâtel, November 13th, 2018 (colloquium talk)
- Workshop
*Computational Challenges in the Theory of Lattices*, ICERM, Brown, Providence RI, April 25th, 2018 (invited conference talk) Video

- Geometric Packings of Non-Spherical Shapes
- University of Konstanz, January 19th, 2018 (seminar talk)

- New bounds for the density of geometric packings
- Seminar
*Algebraic Geometry and Number Theory*, EPFL, Lausanne, October 19th, 2017 (seminar talk)
- ABC Seminar, Cologne, June, 2017 (talk)

- New upper bounds for the density of translative packings of three-dimensional convex bodies with tetrahedral symmetry
- Summer School on Real Algebraic Geometry and Optimization, Georgia Tech, July, 2016 (talk)
- SIGOPT 2016, Trier, April, 2015 (talk)

- New upper bounds for the density of translative packings of superspheres
- Oberwolfach workshop: Lattices and Applications in Number Theory, January 22nd, 2016 (talk)
- CWI, Amsterdam, November 4th, 2015 (seminar talk)
- FRICO 2015, Cologne, August 14th, 2015 (talk)

- SOS polynomials invariant under finite reflection groups
- 3rd ERC Workshop FU Berlin, March 22th, 2015 (poster presentation)
- University of Cologne, January 28th, 2015 (seminar talk)