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Brieskorn manifold

From Wikipedia, the free encyclopedia

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In mathematics, a Brieskorn manifold or Brieskorn–Phạm manifold, introduced by Egbert Brieskorn (1966, 1966b), is the intersection of a small sphere around the origin with the singular, complex hypersurface

studied by Frédéric Pham (1965).

Brieskorn manifolds give examples of exotic spheres,[1][2] for example the Gromoll–Meyer sphere.

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