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Showing 2012 · math.GRShow all
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math.GR2012
Presentations for subgroups of Artin groups
Warren Dicks, Ian J. Leary
For a connected graph L, let G(L) be a group with generators the vertex set of L, subject only to the relations that the ends of each edge commute. Now let H(L) be the kernel of th…
math.GR2012
Covers of acts over monoids II
Alex bailey, James Renshaw
In 1981 Edgar Enochs conjectured that every module has a flat cover and finally proved this in 2001. Since then a great deal of effort has been spent on studying different types of…
math.GR2012
Geodesic growth in right-angled and even Coxeter groups
Yago Antolín, Laura Ciobanu
The objective of this paper is to detect which combinatorial properties of a regular graph can completely determine the geodesic growth of the right-angled Coxeter or Artin group t…