Publications:

"Bounded Automorphisms in Infinite Planar Graphs", Preprint.

"Vertex Partitions of Directed Graph with Bounded Indegree", Preprint (Submitted to ARS Combinatoria).
postscript version

"Geodesic Fibers in a Class of Infinite 1-ended Planar Graphs", with Neal Brand and Margaret Morton, Preprint.

"Generating Bilinski Lines from Bilinski Maps", Preprint (Submitted to The Electronic Proceedings of the Texas Section of the Mathematical Association of America 2002: Texas NExT Contributed Papers)
postscript version