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20232026
most citedDescent conditions for generation in derived categories

4 citations · 10 across the 29 of their papers we have counts for

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8 papers · 1 filter

math.AG2026

Gluing weak approximability along recollements

Pat Lank

We study whether weak approximability glues along recollements of triangulated categories that are compactly generated by a single object. This is applied to derived categories of…

math.AG2026

A blowup criterion for regularity

Pat Lank

We prove that a Noetherian integral domain is regular if, and only if, the derived pushforward of the structure sheaf along every blowup is a perfect complex. For suitable local ri…

math.AG2026

Fourier--Mukai loci are open and base change

Elías Guisado Villalgordo, Pat Lank

We develop a theory of relative (quasi-)perfect complexes for algebraic spaces. Our main result proves that for a pseudocoherent kernel relatively perfect over both factors, the lo…

math.AG2026

Fppf descent and localizing subcategories for algebraic spaces

Pat Lank

We prove descendability for fppf covers of quasi-compact quasi-separated algebraic spaces. Consequently, we show that point-generatedness is detectable along fppf covers. Moreover,…

math.AG2026

Proxy smallness meets -structures

Michal Hrbek, Pat Lank, Giovanna Le Gros +1

We introduce a notion of proxy smallness for -structures on triangulated categories associated to a Noetherian scheme. Specifically, the theory is developed in the presence of t…

math.AG2026

Remarks on diagonal dimension for algebraic stacks

Pat Lank, Fei Peng

This note is concerned with the Rouquier dimension of the bounded derived category of coherent complexes on a Noetherian algebraic stack. Specifically, we study the diagonal dimens…

math.AG2026

Dualizing complexes and -structures for algebraic spaces

Pat Lank

This work is concerned with -structures on Noetherian algebraic spaces admitting dualizing complexes. In particular, we study their behavior in the étale topology. As a conseque…

math.AG2026

Perfect generation for regular algebraic stacks

Pat Lank

We show that the derived category of complexes with quasi-coherent cohomology on a regular Noetherian algebraic stack with quasi-finite diagonal is generated by a single perfect co…