Mixing for three-term progressions in finite simple groups

Sarah Peluse

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Answering a question of Gowers, Tao proved that any A × B × C ⊂ SLd(Fq)3 contains |A||B||C|/|SLd(Fq)| + Od(|SLd(Fq)|2/qmin(d-1,2)/8) three-term progressions (x, xy, xy2). Using a modification of Tao's argument, we prove such a mixing result for three-term progressions in all nonabelian finite simple groups except for PSL2(Fq) with an error term that depends on the degree of quasirandomness of the group. This argument also gives an alternative proof of Tao's result when d > 2, but with the error term O(|SLd(q)|2/q(d-1)/24).

Original languageEnglish (US)
Pages (from-to)279-286
Number of pages8
JournalMathematical Proceedings of the Cambridge Philosophical Society
Issue number2
StatePublished - Sep 1 2018

All Science Journal Classification (ASJC) codes

  • General Mathematics


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