In mathematics, a Brieskorn manifold or Brieskorn–Phạm manifold, introduced by , is the intersection of a small sphere around the origin with the singular, complex hypersurface
studied by .
Brieskorn manifolds give examples of exotic spheres, (See pp. 19–23.) for example the Gromoll–Meyer sphere.
References
This book describes Brieskorn's work relating exotic spheres to singularities of complex manifolds.