Kronheimer–Mrowka basic class

In mathematics, the Kronheimer–Mrowka basic classes are elements of the second cohomology H²(X) of a simple smooth 4-manifold X that determine its Donaldson polynomials. They were introduced by P. B. Kronheimer and Tomasz S. Mrowka (1994, 1995).

References

Kronheimer, P. B.; Mrowka, Tomasz S. (1994), "Recurrence relations and asymptotics for four-manifold invariants", American Mathematical Society. Bulletin. New Series, 30 (2): 215–221, ISSN 0002-9904, MR 1246469, doi:10.1090/S0273-0979-1994-00492-6
Kronheimer, P. B.; Mrowka, Tomasz S. (1995), "Embedded surfaces and the structure of Donaldson's polynomial invariants", Journal of Differential Geometry, 41 (3): 573–734, ISSN 0022-040X, MR 1338483

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