Physics,Topology, Logic and Computation: A Rosetta Stone by John C. Baez and Mike Stay, courtesy of @CompSciFact, @sigfpe, and @notjfmc.
In which way is a cobordism a function between manifolds? As far as I know a cobordism is itself a manifold.
A cobordism is a continuous transformation of one border into another (hence a function). Because it is continuous, it may also be considered as a manifold.Post a Comment