It is possible that we have met at one of these conferences:

2026

Optimization 2026 talk
Symmetric gauge theory for cutting-plane methods in semidefinite programming
Lisbon, Portugal · July 20–22, 2026
Journées SMAI-MODE 2026 poster
Spectral-gauge cuts for semidefinite programming
Nice, France · March 18–20, 2026

2025

44th National Congress of Applied and Computational Mathematics talk
Kac’s lemma for Furstenberg recurrences
Rio de Janeiro, Brazil · September 15–19, 2025
16th Global Optimization Workshop talk
On computational evaluation of lower bounds for the fractional quadratic program over the standard simplex
Stockholm, Sweden · September 2–5, 2025