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摘要
<正>Binary operations for homotopy groups with coefficients Martin Arkowitz Abstract We define and study binary operations for homotopy groups with coefficients,and give conditions to prove that certain binary operations are the homomorphic image of the generalized Whitehead product.This allows carrying over properties of the generalized Whitehead product to these operations.We discuss two classes of binary operations,i.e.,the Whitehead products and the torsion products.We also introduce a new class of
