3 papers
math.AG2025
An Algorithm to compute the Kronecker cone and other moment cones
Michaël Bulois, Roland Denis, Nicolas Ressayre
We describe a new algorithm that computes the minimal list of inequalities for the moment cone of any representation of a complex reductive group, with implementation details for t…
math.AG2025
HKKN-stratifications in a non-compact framework
Paul-Emile Paradan, Nicolas Ressayre
The aim of this paper is twofold. First, we study HKKN stratifications, both algebraically and analytically, for a Cartesian product between a vector space and a compact K{ä}hler…
math.AG2025
Intersection multiplicity one for the Belkale-Kumar product in G/B
Nicolas Ressayre, Luca Francone
Consider the complete flag variety of a complex semisimple algebraic group . We show that the structure coefficients of the Belkale-Kumar product , on the cohomolog…