nLab even cohomology theory

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

${E}^{2k+1}\left(X\right)=0\phantom{\rule{thinmathspace}{0ex}}.$E^{2k+1}(X) = 0 \,.

related entries

Revised on September 8, 2009 13:16:08 by Dmitri Pavlov (195.37.209.180)