Theorem A for marked 2-categories
Theorem A for marked 2-categories
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标记 2 类别的定理 A
DOI:
10.1016/j.jpaa.2022.107040
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发表时间:
2022
影响因子:
0.8
通讯作者:
Stern, Walker H.
中科院分区:
文献类型:
--
作者:
Abellán García, Fernando;Stern, Walker H.
In this work, we prove a generalization of Quillen's Theorem A to 2-categories equipped with a special set of morphisms which we think of as weak equivalences, providing sufficient conditions for a 2-functor to induce an equivalence on (∞, 1)-localizations. When restricted to 1-categories with all morphisms marked, our theorem retrieves the classical Theorem A of Quillen. We additionally state and provide evidence for a new conjecture: the cofinality conjecture, which describes the relation between a conjectural theory of marked (∞, 2)-colimits and our generalization of Theorem A.
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DOI:
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