3 papers
math.CO2026
Catalan numbers, parking functions, permutahedra and noncommutative Hilbert schemes
Valery Lunts, Å pela Å penko, Michel Van den Bergh
We find an explicit -equivariant bijection between the integral points in a certain zonotope in , combinatorially equivalent to the permutahedron, and the set of…
math.AG2026
Categories of Constructible Sheaves
Valery Lunts, Olaf Schnuerer
Given a stratified topological space, we answer the question whether the functor from the derived category of constructible sheaves to the derived category of sheaves with construc…
math.AG2025
Quantum Elliptic Curves I: Algebraic Case
Michael J. Larsen, Valery Lunts
A complex elliptic curve can be defined as the quotient of the analytic space by a discrete action of the cyclic group for …