English

Unitalities and mapping spaces in $A_\infty$-categories

Category Theory 2024-07-09 v1 Symplectic Geometry

Abstract

We prove, over any base ring, that the infinity-category of strictly unital A-infinity-categories (and strictly unital functors) is equivalent to the infinity-category of unital A-infinity-categories (and unital functors). We also identify various models for internal homs and mapping spaces in the infinity-categories of dg-categories and of A-infinity--categories, generalizing results of To\"en and Faonte.

Keywords

Cite

@article{arxiv.2407.05532,
  title  = {Unitalities and mapping spaces in $A_\infty$-categories},
  author = {Hiro Lee Tanaka},
  journal= {arXiv preprint arXiv:2407.05532},
  year   = {2024}
}
R2 v1 2026-06-28T17:32:12.775Z