Mumford curves with maximal automorphism group
  The maximal number of automorphisms of a Mumford curve over a non-archimedean valued field of positive characteristic is known. In this note, the unique family of curves that attains this bound in genus not equal to 5,6,7 or 8 is explicitly determined, as is its automorphism group. 
Gunther Cornelissen and Fumiharu Kato