General Topology 
  
  
    - H. O. Erdin, Pattern equivariant representation variety of tiling spaces for any group G, preprint (2010), 15 pages.[arXiv]
 
    - P. Christopher Staecker, Computing twisted conjugacy classes in free groups using nilpotent quotients, preprint (2007), 14 pages.[arXiv]
 
    - P. Christopher Staecker, Remnant properties in nielsen coincidence theory, preprint (2008), 16 pages.[arXiv]