Journal
ADVANCES IN MATHEMATICS
Volume 391, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aim.2021.107986
Keywords
Homotopy theory; Higher category theory; Gray tensor product
Categories
Funding
- GACR EXPRO [19-28628X]
- Praemium Academiae of M. Markl [RVO:67985840]
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The study provides a definition and properties of the Gray tensor product in the setting of scaled simplicial sets, introduces the concept of oplax functor, and characterizes the Gray tensor product through a universal property. The results of this study offer a promising direction for comparing two concepts in different settings.
We give a definition of the Gray tensor product in the setting of scaled simplicial sets which is associative and forms a left Quillen bifunctor with respect to the bicategorical model category of Lurie. We then introduce a notion of oplax functor in this setting, and use it in order to characterize the Gray tensor product by means of a universal property. A similar characterization was used by Gaitsgory and Rozenblyum in their definition of the Gray product, thus giving a promising lead for comparing the two settings. (c) 2021 Elsevier Inc. All rights reserved.
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