The Hecke Bicategory

Axioms

关键词: Hecke algebras;    categorification;    groupoidification;    Yang–Baxter equations;    Zamalodchikov tetrahedron equations;    spans;    enriched bicategories;    buildings;    incidence geometries;   

DOI  :  10.3390/axioms1030291

来源: mdpi

【 摘 要 】

We present an application of the program of groupoidification leading up to a sketch of a categorification of the Hecke algebroid—the category of permutation representations of a finite group. As an immediate consequence, we obtain a categorification of the Hecke algebra. We suggest an explicit connection to new higher isomorphisms arising from incidence geometries, which are solutions of the Zamolodchikov tetrahedron equation. This paper is expository in style and is meant as a companion to Higher Dimensional Algebra VII: Groupoidification and an exploration of structures arising in the work in progress, Higher Dimensional Algebra VIII: The Hecke Bicategory, which introduces the Hecke bicategory in detail.

【 授权许可】

CC BY   
© 2012 by the author; licensee MDPI, Basel, Switzerland.