arXiv · math/0207010
Cochain operations defining Steenrod $\cup_i$-products in the bar construction
Abstract
The set of cochain multioperations defining Steenrod $\smile_i$-products in the bar construction is constructed in terms of surjection operad. This structure extends a Homotopy G-algebra structure which defines just the $\cup $ on the bar construction.
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T. Kadeishvili. 2002-07-01. Cochain operations defining Steenrod $\cup_i$-products in the bar construction. https://arxiv.org/abs/math/0207010
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