J.B. Lewis ; V. Reiner ; D. Stanton - Reflection factorizations of Singer cycles

dmtcs:2401 - Discrete Mathematics & Theoretical Computer Science, January 1, 2014, DMTCS Proceedings vol. AT, 26th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2014) - https://doi.org/10.46298/dmtcs.2401
Reflection factorizations of Singer cyclesArticle

Authors: J.B. Lewis 1; V. Reiner 1; D. Stanton 1

  • 1 School of Mathematics

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.


Volume: DMTCS Proceedings vol. AT, 26th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2014)
Section: Proceedings
Published on: January 1, 2014
Imported on: November 21, 2016
Keywords: higher genus,q-analogue,regular element,finite general linear group,factorization,transvection,reflection,anisotropic maximal torus,Coxeter torus,Singer cycle,Coxeter element,[INFO.INFO-DM] Computer Science [cs]/Discrete Mathematics [cs.DM],[MATH.MATH-CO] Mathematics [math]/Combinatorics [math.CO]
Funding:
    Source : OpenAIRE Graph
  • Reflection Group Combinatorics; Funder: National Science Foundation; Code: 1001933
  • RTG in Combinatorics; Funder: National Science Foundation; Code: 1148634

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