Exotic cohomology is a cohomology theory that extends index theory to a larger class of manifolds.
Exotic Cohomology
See also
Atiyah-Singer Index Theorem, Cohomology, Exotic R4, Exotic Sphere, Index Theory, Riemannian ManifoldThis entry contributed by John Renze
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Cite this as:
Renze, John. "Exotic Cohomology." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/ExoticCohomology.html