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I believe that the Axioms for TQFT were set out by Atiyah
in 1990 and that one of the equivalent definitions of a TQFT is in
category terms: a TQFT is a functor from the category of n-dimensional cobordisms to the category of Hilbert spaces, satisfying certain conditions.
Is anyone familiar with the category theory definition? If not too convoluted maybe you could run through it?
in 1990 and that one of the equivalent definitions of a TQFT is in
category terms: a TQFT is a functor from the category of n-dimensional cobordisms to the category of Hilbert spaces, satisfying certain conditions.
Is anyone familiar with the category theory definition? If not too convoluted maybe you could run through it?