An Unstable Approach to the May-Lawrence Matrix Toda bracket and the \textit{2}nd James-Hopf Invariant

In this paper, we give an unstable approach of the May-Lawrence matrix Toda bracket, which becomes a useful tool for the theory of determinations of unstable homotopy groups. Then, we give a generalization of the classical isomorphisms between homotopy groups of $(JS^{m},S^{m}) $ and $(JS^{2m},*)$ l...

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Hauptverfasser:	Yang, Juxin, Miyauchi, Toshiyuki, Mukai, Juno
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Algebraic Topology
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