3 papers
quant-ph2024
Perfect quantum strategies with small input cardinality
Stefan Trandafir, Junior R. Gonzales-Ureta, Adán Cabello
A perfect strategy is one that allows the mutually in-communicated players of a nonlocal game to win every trial of the game. Perfect strategies are basic tools for some fundamenta…
math.CO2023
External columns and chambers of vector partition functions
Stefan Trandafir
The vector partition function associated to a matrix with integer entries is the function defined by $\mathbf{b} \to \#\{\mathb…
math.RT2023
All linear symmetries of the tensor multiplicities
Emmanuel Briand, Mercedes Rosas, Stefan Trandafir
The tensor multiplicities are piecewise polynomial of degree in their labels. The pieces are the chambers of a complex of cones. We describe in detail this cha…