Möbius Strip Diagram Algebras

Fuente: arXiv
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Main Authors: Collison, D. W., Tubbenhauer, D.
Format: Preprint
Published: 2026
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author Collison, D. W.
Tubbenhauer, D.
author_facet Collison, D. W.
Tubbenhauer, D.
contents We introduce Möbius strip diagram algebras (and their monoid and categorical versions) as subalgebras of a partition-style diagram calculus in which strands may carry handles and Möbius strip features. We identify the resulting diagram category with a linear quotient of a nonorientable two-dimensional cobordism category. Finally, we develop the associated cell theory and use it to classify the simple modules and compute dimensions in a range of cases.
format Preprint
id arxiv_https___arxiv_org_abs_2602_11591
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Möbius Strip Diagram Algebras
Collison, D. W.
Tubbenhauer, D.
Representation Theory
Group Theory
Primary: 20M30, 57R56, Secondary: 16G10, 18M05
We introduce Möbius strip diagram algebras (and their monoid and categorical versions) as subalgebras of a partition-style diagram calculus in which strands may carry handles and Möbius strip features. We identify the resulting diagram category with a linear quotient of a nonorientable two-dimensional cobordism category. Finally, we develop the associated cell theory and use it to classify the simple modules and compute dimensions in a range of cases.
title Möbius Strip Diagram Algebras
topic Representation Theory
Group Theory
Primary: 20M30, 57R56, Secondary: 16G10, 18M05
url https://arxiv.org/abs/2602.11591