2014
DOI: 10.46298/dmtcs.2401
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Reflection factorizations of Singer cycles

Abstract: International audience The number of shortest factorizations into reflections for a Singer cycle in $GL_n(\mathbb{F}_q)$ is shown to be $(q^n-1)^{n-1}$. Formulas counting factorizations of any length, and counting those with reflections of fixed conjugacy classes are also given. Nous prouvons que le nombre de factorisations de longueur minimale d’un cycle de Singer dans $GL_n(\mathbb{F}_q)$ comme un produit de réflexions est $(q^n-1)^{n-1}$. Nous présentons aussi des formules donnant le nom… Show more

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Cited by 11 publications
(24 citation statements)
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“…Additional remarks on Theorem 1.4. The following remarks show how to recover the main theorems of [LRS14,HLR15] as special cases of Theorem 1.4. Incidentally, the first remark also settles a conjecture of Lewis-Reiner-Stanton.…”
Section: Factoring Regular Elliptic Elements Into Two Factorsmentioning
confidence: 99%
See 3 more Smart Citations
“…Additional remarks on Theorem 1.4. The following remarks show how to recover the main theorems of [LRS14,HLR15] as special cases of Theorem 1.4. Incidentally, the first remark also settles a conjecture of Lewis-Reiner-Stanton.…”
Section: Factoring Regular Elliptic Elements Into Two Factorsmentioning
confidence: 99%
“…Recently, there has been interest in q-analogues of such problems, replacing S n with the finite general linear group GL n (F q ), the long cycle with a Singer cycle (or, more generally, regular elliptic element) c, and the number of cycles with the fixed space dimension [LRS14,HLR15]; or in more general geometric settings [HLRV11]. In the present paper, we extend this approach to give the following q-analogue of Theorem 1.1.…”
Section: Introductionmentioning
confidence: 99%
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“…Consider the regular elliptic elements of GL n F q , which are those matrices whose characteristic polynomial is irreducible over F q . Recent work by Huang, Lewis, Morales, Reiner, and Stanton [14,19,20] suggests that the regular elliptic elements are analogous to the n-cycles in S n from the perspective of enumerating factorizations.…”
Section: Introductionmentioning
confidence: 99%