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even cohomology theory

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Idea

A multiplicative cohomology theory EE is called even if its cohomology ring is trivial in all odd degrees:

E 2k+1(X)=0. E^{2k+1}(X) = 0 \,.

Revised on May 29, 2017 02:52:26 by Urs Schreiber (94.220.14.70)