2 papers
math.AG2026
Structure constants of Peterson Schubert calculus
Tao Gui, Yuqi Jia, Xinkai Yu +2
We give an explicit, positive, and type-uniform formula for all equivariant structure constants of the Peterson Schubert calculus in arbitrary Lie types, using only the Cartan matr…
math.OA2025
Duality for operator systems with generating cones
Yu-Shu Jia, Chi-Keung Ng
Let be a complete operator system with a generating cone; i.e. $S_\sa = S_+ - S_+$. We show that there is a matrix norm on the dual space , under which, and the usual dual…