Date
Tue, 01 Nov 2016
Time
15:45 - 16:45
Location
L4
Speaker
Adam Gal
Organisation
Oxford

The Hall algebra can be constructed using the Waldhausen S-construction. We will give a systematic recipe for this and show how it extends naturally to give a bi-algebraic structure. As a result we obtain a more transparent proof of Green's theorem about the bi-algebra structure on the Hall algebra.

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