A Cohomological Obstruction to the Existence of $\varphi$-Equivariant Maps

Thales Fernando Vilamaior Paiva

Let $\varphi :G\to H$ be a continuous homomorphism between compact Lie groups, let $X$ be a $G$-space, and let $Y$ be an $H$-space. We formulate a filtered change-of-groups obstruction t…