William C. Jagy
Will Jagy is a mathematician living in Berkeley, California.
His (U. C. Berkeley) Ph. D. dissertation was in Differential Geometry.
His published article on the hyperbolic plane is discussed in
the fourth edition(2008) of
Euclidean and Non-Euclidean Geometries
by Marvin Jay Greenberg. Work at MSRI with
Irving Kaplansky led to some joint articles in Number Theory.
Unpublished documents by both of us about ternary quadratic forms are at
ternary forms site.
Kap's Wikipedia page.
Mailing Address: P. O. Box 2146,
Berkeley, California 94702-0146
Will's home telephone is listed in the Oakland White Pages, which also list Alameda, Albany, Berkeley, Emeryville, Piedmont and San Leandro. His email address can be found using the search feature at the American Mathematical Society site.