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Explicit symmetric DGLA models of 3-cells

Part of: Lie algebras and Lie superalgebras Applied homological algebra and category theory

Published online by Cambridge University Press:  01 July 2020

Itay Griniasty  and
Ruth Lawrence Open the ORCID record for Ruth Lawrence [Opens in a new window]
Itay Griniasty
Affiliation:
Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY14853 e-mail: [email protected]
Ruth Lawrence*
Affiliation:
Einstein Institute of Mathematics, Hebrew University of Jerusalem, Jerusalem91904
*
e-mail: [email protected]
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Abstract

We give explicit formulae for differential graded Lie algebra (DGLA) models of $3$ -cells. In particular, for a cube and an $n$ -faceted banana-shaped $3$ -cell with two vertices, $n$ edges each joining those two vertices, and $n$ bi-gon $2$ -cells, we construct a model symmetric under the geometric symmetries of the cell fixing two antipodal vertices. The cube model is to be used in forthcoming work for discrete analogues of differential geometry on cubulated manifolds.

Keywords

DGLAMaurer–CartanBaker–Campbell–Hausdorff formula

MSC classification

Primary: 17B55: Homological methods in Lie (super)algebras
Secondary: 17B01: Identities, free Lie (super)algebras 55U15: Chain complexes
Type
Article
Information
Canadian Mathematical Bulletin , Volume 64 , Issue 2 , June 2021 , pp. 368 - 382
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Copyright
© Canadian Mathematical Society 2020

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Footnotes

This research was supported in part by Grant No. 2016219. from the United States-Israel Binational Science Foundation (BSF). Griniasty is grateful to the Azrieli Foundation for the award of an Azrieli Fellowship.

References

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