Donald Solitar (September 5, 1932 in Brooklyn, New York, United States – April 28, 2008 in Toronto, Canada) was an American and Canadian mathematician...

of the Klein bottle. The groups were defined by Gilbert Baumslag and Donald Solitar in 1962 to provide examples of non-Hopfian groups. The groups contain...

scientific computing Donald Solitar (B.A. 1953), mathematician, known for his work in combinatorial group theory; the Baumslag–Solitar groups are named after...

for free products, Mathematika, 5 (1958), 13–19 Abraham Karrass and Donald Solitar, The subgroups of a free product of two groups with an amalgamated subgroup...

groups of geometrizable 3-manifolds Magnus, Wilhelm; Abraham Karrass; Donald Solitar (1976). Combinatorial group theory. Presentations of groups in terms...

no Baumslag–Solitar subgroups. 3-manifolds Geometric topology Small cancellation theory Wilhelm Magnus, Abraham Karrass, Donald Solitar, Combinatorial...

the History of Ideas. Springer 1982. Wilhelm Magnus, Abraham Karrass, Donald Solitar, Combinatorial group theory. Presentations of groups in terms of generators...

{\displaystyle K\to K} is onto. Hopfian object Wilhelm Magnus, Abraham Karrass, Donald Solitar, Combinatorial group theory. Presentations of groups in terms of generators...

Mathematical Society 142 (1969), 507–538. MR0245653 Gilbert Baumslag and Donald Solitar, Some two-generator one-relator non-Hopfian groups, Bulletin of the...

described in (Magnus, Karrass & Solitar 2004, p. 165, Section 3.5). Out(Fn) Magnus, Wilhelm; Karrass, Abraham; Solitar, Donald (2004), Combinatorial Group...