English

On Mimura's extension problem

Algebraic Topology 2017-05-02 v1

Abstract

We determine the group strucure of the 2323-rd homotopy group π23(G2:2)\pi_{23}(G_2 : 2), where G2G_2 is the Lie group of exceptional type, which hasn't been determined for 5050 years.

Cite

@article{arxiv.1705.00273,
  title  = {On Mimura's extension problem},
  author = {Toshiyuki Miyauchi and Juno Mukai and Mariko Ohara},
  journal= {arXiv preprint arXiv:1705.00273},
  year   = {2017}
}

Comments

15 pages

R2 v1 2026-06-22T19:32:05.447Z