Recent content by TamTamTam

You should use the level set theorem.

See, simple foliation and Ehresmann's lemma

Hi, An exterior product exists on the exterior algebra of vector space valued differential forms only if the vectorspace carries in addition the structure of an algebra. Let G be a lie group and \varOmega^{*}:=\bigoplus_{r=0}^{dim(G)}\Omega^{r}(G,\mathfrak{g}) the exterior algebra of...