English

A counterexample to Feit's Problem VIII on decomposition numbers

Representation Theory 2016-12-05 v2

Abstract

We find a counterexample to Feit's Problem VIII on the bound of decomposition numbers. This also answers a question raised by T. Holm and W. Willems.

Cite

@article{arxiv.1611.06877,
  title  = {A counterexample to Feit's Problem VIII on decomposition numbers},
  author = {Gabriel Navarro and Benjamin Sambale},
  journal= {arXiv preprint arXiv:1611.06877},
  year   = {2016}
}

Comments

2 pages, some data added, to appear in J. Algebra

R2 v1 2026-06-22T16:59:28.256Z