Smoothings of products (Ex)
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(Created page with "<wikitex>; Let $X$ and $Y$ be closed PL $n$-manifolds, $n \geq 5$, and let $X_\alpha$ and $Y_\beta$ be smooth structures on $X$ and $Y$ respectively defining bijections $$ \Ps...")
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(Created page with "<wikitex>; Let $X$ and $Y$ be closed PL $n$-manifolds, $n \geq 5$, and let $X_\alpha$ and $Y_\beta$ be smooth structures on $X$ and $Y$ respectively defining bijections $$ \Ps...")
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Revision as of 00:55, 26 August 2013
Let and be closed PL -manifolds, , and let and be smooth structures on and respectively defining bijections
Suppose that and are homeomorphism from smooth manifolds.
Exercise 0.1.
Determinein terms of and Here is defined using the smooth structure on the PL manifold .