Frobenius algebras and cobordism diagrams; or, how to put on pants.

Vitalijs Brejevs

Friday 15th February, 2019 16:00-17:00 Maths 311B


Roughly speaking, an algebra is a vector space in which you can multiply elements. A coalgebra is a similar object, except the "direction of multiplication" is reversed. In this talk I will describe a neat way of proving some interesting results about Frobenius algebras, which are simultaneously algebras and coalgebras, by using pictures from topology.

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