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Colloquium

Mathematics Colloquium

Date:
Time:
4:00 pm – 4:50 pm
Avery Hall Room: 115
1144 T St
 Lincoln NE 68508
Additional Info: AVH
Contact:
Steve Cohn, (402) 472-7223, scohn1@math.unl.edu
Speaker: Yuji Yoshino
Affiliation: Okayama University, Japan
Local host: Luchezar Avramov
Title: Universal deformations of modules along non-commutative parameters

Additional Public Info:

Abstract: It is known by Schlessinger (1968) that there exists a universal
deformation for a given module (under a certain assumption), which regulates
all the infinitesimal deformations of the module along commutative artinian algebras.
We can prove that this is extended to the infinitesimal deformations along “non-commutative”
artinian algebras.This simplifies the obstruction theory.

Refreshments will be served in 348 Avery 3:30-4pm. The talk is free and open to the public.

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