English

May's Conjecture on Bimonoidal Functors and Multiplicative Infinite Loop Space Theory

Algebraic Topology 2024-05-20 v1 Category Theory K-Theory and Homology

Abstract

A conjecture of May states that there is an up-to-adjunction strictification of symmetric bimonoidal functors between bipermutative categories. The main result of this paper proves a weaker form of May's conjecture that starts with multiplicatively strong symmetric bimonoidal functors. As the main application, for May's multiplicative infinite loop space machine from bipermutative categories to either E-infinity ring spaces or E-infinity ring spectra, multiplicatively strong symmetric bimonoidal functors can be replaced by strict symmetric bimonoidal functors.

Keywords

Cite

@article{arxiv.2405.10834,
  title  = {May's Conjecture on Bimonoidal Functors and Multiplicative Infinite Loop Space Theory},
  author = {Donald Yau},
  journal= {arXiv preprint arXiv:2405.10834},
  year   = {2024}
}

Comments

27 pages

R2 v1 2026-06-28T16:30:54.399Z