动作群组的二范畴

IF 0.6 4区数学 Q3 MATHEMATICS

Applied Categorical Structures Pub Date : 2024-05-24 DOI:10.1007/s10485-024-09770-3

Carla Farsi, Laura Scull, Jordan Watts

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引用次数: 0

摘要

我们证明，用以下三种不同方法局部化的作用列群的 2 类会产生等价的二分类：局部化于等变弱等价，如普朗克；局部化使用注入式等变弱等价和反函数，如罗伯茨；局部化于所有弱等价。这些构造概括了已知的可表示球面群的情况。我们还证明，作用Lie群集之间的任何弱等价性都与两种特别好的等变弱等价性形式的组成同构。

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Bicategories of Action Groupoids

We prove that the 2-category of action Lie groupoids localised in the following three different ways yield equivalent bicategories: localising at equivariant weak equivalences à la Pronk, localising using surjective submersive equivariant weak equivalences and anafunctors à la Roberts, and localising at all weak equivalences. These constructions generalise the known case of representable orbifold groupoids. We also show that any weak equivalence between action Lie groupoids is isomorphic to the composition of two particularly nice forms of equivariant weak equivalences.

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来源期刊

Applied Categorical Structures 数学-数学

CiteScore

1.30

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Applied Categorical Structures focuses on applications of results, techniques and ideas from category theory to mathematics, physics and computer science. These include the study of topological and algebraic categories, representation theory, algebraic geometry, homological and homotopical algebra, derived and triangulated categories, categorification of (geometric) invariants, categorical investigations in mathematical physics, higher category theory and applications, categorical investigations in functional analysis, in continuous order theory and in theoretical computer science. In addition, the journal also follows the development of emerging fields in which the application of categorical methods proves to be relevant. Applied Categorical Structures publishes both carefully refereed research papers and survey papers. It promotes communication and increases the dissemination of new results and ideas among mathematicians and computer scientists who use categorical methods in their research.