Free quotients of
Authors: Sava Krstic and James McCool
Journal: Proc. Amer. Math. Soc. 125 (1997), 1585-1588
MSC (1991): Primary 20H25, 20E08
MathSciNet review: 1376995
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Abstract: It is shown that if is an integral domain which is not a field, and is the subgroup of generated by all unipotent elements, then the quotient group has a free quotient of infinite rank.
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Affiliation: Department of Mathematics, Tufts University, Medford, Massachusetts 02155
Affiliation: Department of Mathematics, University of Toronto, Toronto, Ontario, Canada M5S 1A1
Received by editor(s): October 31, 1995
Additional Notes: The first author was partially supported by a grant from Science Fund of Serbia.
The second author’s research was supported by a grant from NSERC Canada.
Communicated by: Ronald M. Solomon
Article copyright: © Copyright 1997 American Mathematical Society