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Toda brackets in n-angulated categories

Authors :
Frankland, Martin
Martensen, Sebastian H.
Thaule, Marius
Publication Year :
2023

Abstract

We introduce Toda brackets for n-angulated categories and show that the various definitions of Toda brackets coincide. We prove juggling formulas for these Toda brackets generalizing the triangulated case. Following that, we generalize a theorem due to Heller in the triangulated setting to the setting of n-angulated categories. We also provide several examples of computing Toda brackets for n-angulated categories. Finally, for an n-angulated category sitting in a triangulated category as in the setup of Geiss, Keller and Oppermann, we show that Toda brackets in the n-angulated sense coincide with n-fold Toda brackets in the triangulated sense up to an explicit sign.

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2312.13209
Document Type :
Working Paper