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PreprintCC BY 4.0arXiv

A brief note on the Hopf and Kervaire invariant one problems

Abstract

This expository note advertises a little known but very old one-line solution of the Hopf invariant one problem and speculates on the (in)applicability of the idea to the Kervaire invariant one problem.

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BibTeX
@misc{may2026brief,
  title = {{A brief note on the Hopf and Kervaire invariant one problems}},
  author = {J. P. May},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.18942},
  eprint = {2609.18942},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.18942},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - A brief note on the Hopf and Kervaire invariant one problems
AU  - J. P. May
PY  - 2026
DA  - 2026/09/01
PB  - arXiv
DO  - 10.48550/arxiv.2609.18942
UR  - https://arxiv.org/abs/2609.18942
AB  - This expository note advertises a little known but very old one-line solution of the Hopf invariant one problem and speculates on the (in)applicability of the idea to the Kervaire invariant one problem.
ER  -