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Cartan Relation


The relationship Sq^i(x cup y)=Sigma_(j+k=i)Sq^j(x) cup Sq^k(y) encountered in the definition of the steenrod algebra.


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Cite this as:

Weisstein, Eric W. "Cartan Relation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CartanRelation.html

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