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1 results

  • The spherical growth series of Dyer groups

  • Part of
  • Luis Paris, Olga Varghese
  • Journal:
    Proceedings of the Edinburgh Mathematical Society / Volume 67 / Issue 1 / February 2024
    Published online by Cambridge University Press:
    21 December 2023, pp. 168-187
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  • Graph products of cyclic groups and Coxeter groups are two families of groups that are defined by labelled graphs. The family of Dyer groups contains these both families and gives us a framework to study these groups in a unified way. This paper focuses on the spherical growth series of a Dyer group D with respect to the standard generating set. We give a recursive formula for the spherical growth series of D in terms of the spherical growth series of standard parabolic subgroups. As an application we obtain the rationality of the spherical growth series of a Dyer group. Furthermore, we show that the spherical growth series of D is closely related to the Euler characteristic of D.