Tobias Dyckerhoff

collaborators

2 papers

math.CT2025

Lax Additivity

Merlin Christ, Tobias Dyckerhoff, Tashi Walde

We introduce notions of lax semiadditive and lax additive $(\infty, 2)$ -categories, categorifying the classical notions of semiadditive and additive 1-categories. To establish a wel…

math.QA2025

Perverse schobers of Coxeter type $A$

Tobias Dyckerhoff, Paul Wedrich

We define the concept of an $A_{n}$ -schober as a categorification of classification data for perverse sheaves on $Sym^{n + 1} (C)$ due to Kapranov-Schechtman.…

Lax Additivity

Perverse schobers of Coxeter type A

Perverse schobers of Coxeter type $A$