lcamtuf   Sep 3, 2024
Ah yes, I remember buying that textbook
Show threadRuud van Asseldonk
@lcamtuf I remember a commutative cube like that. I think it was either in Warner’s Foundations of Differentiable Manifolds and Lie Groups or in Bott and Tu’s Differential Forms in Algebraic Topology.
Sep 3, 2024 at 5:48amWeb
Show threadRuud van AsseldonkSep 3, 2024
@lcamtuf I think this is the one I was thinking of, it was from Warner.