Fake Galois Actions

Preprint English OPEN
Farrell, Niamh; Ruhstorfer, Lucas;
(2019)
  • Subject: 20C20, 20C33 | Mathematics - Representation Theory
    arxiv: Mathematics::Group Theory

We prove that for all non-abelian finite simple groups $S$, there exists a fake mth Galois action on IBr$(X)$ with respect to $X \lhd X \rtimes $ Aut$(X)$, where $X$ is the universal covering group of $S$ and $m$ is any non-negative integer coprime to the order of $X$. ... View more
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