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Secondary cohomology and the Steenrod square

Secondary cohomology and the Steenrod square

Hans-Joachim Baues

We introduce and study various properties of the secondary cohomology of a space. Certain Steenrod squares are shown to be related to the action of the symmetric groups on secondary cohomology.


Homology, Homotopy and Applications, Vol. 4(2), 2002, pp. 29-62

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