The Ext-algebra of the Brauer tree algebra associated to a line

Authors

  • Olivier Dudas Université de Paris and Sorbonne Université, CNRS, IMJ-PRG, F-75006 Paris, France

DOI:

https://doi.org/10.33044/revuma.2347

Abstract

We compute the $\mathrm{Ext}$-algebra of the Brauer tree algebra associated to a line with no exceptional vertex.

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References

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P. Brown, The Ext-algebra of a representation-finite biserial algebra, J. Algebra 221 (1999), no. 2, 611–629. MR 1728400.

E. L. Green, S. Schroll, N. Snashall, and R. Taillefer, The Ext algebra of a Brauer graph algebra, J. Noncommut. Geom. 11 (2017), no. 2, 537–579. MR 3669112.

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Published

2023-06-06

Issue

Vol. 65 No. 1 (2023)

Section

Article

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Copyright (c) 2023 Olivier Dudas

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