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- Sal Liriano
- IJAC
- 2007

- Sal Liriano
- IJAC
- 1999

- S Liriano, S Majewicz
- 2008

If G is a finitely generated group (fg), and A is a complex affine algebraic group, then the space Hom(G, A) admits the structure of an algebraic variety, not necessarily irreducible, denoted briefly by R A (G). The invariants of R A (G) are independent of the finite set X of generators for G chosen. In this communication we define the profile function, P d… (More)

- Sal Liriano
- 2006

Given a finitely generated (fg) group G, the set R(G) of homomorphisms from G to SL 2 C inherits the structure of an algebraic variety known as the representation variety of G in SL 2 C. This algebraic variety is an invariant of fg presentations of G. Call a group G parafree of rank n if it shares the lower central sequence with a free group of rank n, and… (More)

- Sal Liriano
- 2006

Hanna Neumann asked whether it was possible for two non-isomorphic residually nilpotent finitely generated (fg) groups, one of them free, to share the lower central sequence. G. Baumslag answered the question in the affirmative and thus gave rise to parafree groups. A group G is termed parafree of rank n if it is residually nilpotent and shares the same… (More)

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