README: Description of the algorithms and how to use the program.
Update on July 2007: Description of the changes and additions made on July 2007.
QuatAlg.gap: The GAP program file. (More information about the GAP language can be found in the GAP home page)
Grp100: Summary of results for discriminants under 100, including generators, relations and fundamental regions for the corresponding Shimura curves.
CompRegion100.gap: A GAP script that was used to create teh Grp100.txt file.
QuatRegionViewer.pl: A viewer in perl that can display the fundamental regions computed by the GAP functions. Below are a few screen shots for the case of discriminant 35.
The initial fundamental region:
Neighbouring regions:
Zooming in on a vertex:
