2 papers
math.RT2026
Generalized Rank via Minimal Subposet
Thomas Brüstle, Thomas Brüstle, Justin Desrochers +1
Let be a small, connected category with finite hom-sets. We show that if the embedding of a connected subcategory is both initial and final, then the re…
math.KT2025
Batalin-Vilkovisky structure on Hochschild cohomology with coefficients in the dual algebra
Marco Armenta, Samuel Leblanc
We prove that Hochschild cohomology with coefficients in $A^*=\Hom_k(A,k)$ under conditions on the algebra structure of is a Batalin-Vilkovisky algebra. We also show that for…