Trees and Reflection Groups

نویسندگان

  • Humberto Luiz Talpo
  • Marcelo Firer
چکیده

We define a reflection in a tree as an involutive automorphism whose set of fixed points is a geodesic and prove that, for the case of a homogeneous tree of degree 4k, the topological closure of the group generated by reflections has index 2 in the group of automorphisms of the tree.

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عنوان ژورنال:
  • Electr. J. Comb.

دوره 12  شماره 

صفحات  -

تاریخ انتشار 2005