Title of article :
Expander graphs from Curtis–Tits groups
Author/Authors :
Blok، نويسنده , , Rieuwert J. and Hoffman، نويسنده , , Corneliu G. and Vdovina، نويسنده , , Alina، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Abstract :
Using the construction of a non-orientable Curtis–Tits group of type A ˜ n , we obtain new explicit families of expander graphs of valency 5 for unitary groups over finite fields.
Keywords :
Amalgams , Expander graphs , Curtis–Tits groups , Unitary groups , Non-uniform lattice
Journal title :
Journal of Combinatorial Theory Series A
Journal title :
Journal of Combinatorial Theory Series A
