On Mimura's extension problem

Juno Mukai; Mariko Ohara; Toshiyuki Miyauchi

arxiv: 1705.00273 · v1 · pith:QFU3VQWNnew · submitted 2017-04-30 · 🧮 math.AT

On Mimura's extension problem

Toshiyuki Miyauchi , Juno Mukai , Mariko Ohara This is my paper

classification 🧮 math.AT

keywords groupbeendeterminedeterminedexceptionalextensionhasnhomotopy

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We determine the group strucure of the $23$-rd homotopy group $\pi_{23}(G_2 : 2)$, where $G_2$ is the Lie group of exceptional type, which hasn't been determined for $50$ years.

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On Mimura's extension problem

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