EN
Let p be a prime number and X a simply connected Hausdorff space equipped with a free $ℤ_{p}$-action generated by $f_{p}:X → X$. Let $α:S^{2n-1} → S^{2n-1}$ be a homeomorphism generating a free $ℤ_{p}$-action on the (2n-1)-sphere, whose orbit space is some lens space. We prove that, under some homotopy conditions on X, there exists an equivariant map $F:(S^{2n-1},α) → (X,f_{p})$. As applications, we derive new versions of generalized Lusternik-Schnirelmann and Borsuk-Ulam theorems.