7 citations · 7 across the 3 of their papers we have counts for
3 papers
math.KT2025
Some remarks on Quillen's Dévissage theorem
Alexander I. Efimov
In this paper we give a different proof of Quillen's Dévissage theorem using Barwick's theorem of the heart. The key ingredient is a certain short exact sequence of dg categories,…
math.NT2024
On the Hahn-Witt series and their generalizations
Alexander I. Efimov
In this paper we study the field of Hahn-Witt series with residue field (also known as a -adic Malcev-Neumann field \cite…
math.AG2010★ 7 cited
Formal completion of a category along a subcategory
Alexander I. Efimov
Following an idea of Kontsevich, we introduce and study the notion of formal completion of a compactly generated (by a set of objects) enhanced triangulated category along a full t…