Exotic R4: Difference between revisions
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==Definition== | ==Definition== | ||
An ''exotic <math>\R^4</math>''' is a [[differential manifold]] that is homeomorphic, but not diffeomorphic, to Euclidean space <math>\R^4</math>. | An '''exotic <math>\R^4</math>''' is a [[differential manifold]] that is homeomorphic, but not diffeomorphic, to Euclidean space <math>\R^4</math>. | ||
Latest revision as of 19:39, 18 May 2008
Definition
An exotic is a differential manifold that is homeomorphic, but not diffeomorphic, to Euclidean space .