(1) Department of Mathematics, Columbia University, New York, NY, 10027, U.S.A.;(2) Institute of Mathematics, The Hebrew University, Jerusalem, 91904, Israel
Abstract:
We consider the structure of groups that act on a pn-regular tree in a vertex transitive way with the local action (i.e. the action of the vertex stabilizer on the link) isomorphic to the group of affine transformations on a finite affine line.