Mathematics – Group Theory
Scientific paper
2001-03-16
Comm. Algebra, vol.30 (2002), pp.1921-1947
Mathematics
Group Theory
29 pages
Scientific paper
An endomorphism of a free group is called primitivity preserving if it takes
every primitive element to another primitive. In this paper we prove that every
primitivity preserving endomorphism of a free group of a finite rank n > 2 is
an automorphism.
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