Dold manifold

In mathematics, a Dold manifold is one of the manifolds P(m,n) = (S^m×CPⁿ)/τ (where τ acts as −1 on the sphere S^m and a complex conjugation on complex projective space CPⁿ) constructed by Dold (1956) that he used to give explicit generators for Thom's unoriented cobordism ring.

References

• Dold, Albrecht (1956), "Erzeugende der Thomschen Algebra N", Mathematische Zeitschrift 65 (1): 25–35, doi:10.1007/BF01473868, ISSN 0025-5874, MR0079269