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  1. Comultiplication structures on the wedge product of spheres

    Comultiplication structures on the wedge product of spheres

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dae-Woong Lee --- Jeonbuk National University, Republic of Korea Sunyoung Lee --- Jeonbuk National University, Republic of Korea
    Homotopy multiplications on H-spaces and homotopy comultiplications on co-H-spaces play an important role in topology for many reasons. They are the duals with each other in the sense of Eckmann and Hilton, and have many kinds of examples to construct...