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Q: Contraction of a family of loops simultaneously

Bashar SalehLet $LX$ denote the free loop space on $X$. We have an evaluation map $ev\colon LX\to X$ and we have an inclusion $X\hookrightarrow LX$ (where $x\in X$ is mapped to the constant loop at $x$). Suppose that $A\subset X$ is a cofibration, where $X$ is simply connected (I wouldn't mind to assume tha...

 

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