Cluster algebras with coefficients and relative Calabi-Yau structures
De Bernhard Keller
Categorified Crystal Bases on Localized Quantum Coordinate Rings and Cellular Crystals
De Toshiki Nakashima
Apparaît dans la collection : 2023 - T2 - WS1 - GAP XVIII: Homotopy algebras and higher structures
We will discuss some ongoing project with Diaconescu, Porta, Sala and Vasserot in which we study the convolution algebra of cohomological correspondences acting on moduli spaces of sheaves on surfaces via modifications along 1-dim subschemes. We obtain some relation to affine Yangians.