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# Topology and Geometry Seminar

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Wed., Feb. 14, 2024 12:30 p.m.
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Location: CL 251
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**Speaker: **Martin Frankland, University of Regina

**Title: **DG Lie algebras and coalgebras in rational homotopy theory

**Abstract: **

A classic theorem of Quillen established an equivalence of homotopy theory between (certain) DG Lie algebras and DG coalgebras. Both are models for (simply-connected) rational homotopy theory. A generalization of Quillen's result by Hinich provided a link with deformation theory.

Topology and Geometry Seminar: https://www.reginatopology.ca/seminar