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math.GR2010
A note on the structure of V(6) maps
Uri Weiss
The purpose of this note is make Theorem 13 in the article "On Biautomaticity of Non-Homogenous Small-Cancellation Groups" more accessible. Restatements of the theorem already appe…
math.GR2010
Algebraic C(4) and T(4) groups are bi-automatic
Uri Weiss
S. Gersten and H. Short have proved that if a group has a presentation which satisfies the algebraic C(4) and T(4) small-cancellation condition then the group is automatic. Their p…
math.GR2009
On Shephard Groups with Large Triangles
Uri Weiss
Shephard groups are common extensions of Artin and Coxeter groups. They appear, for example, in algebraic study of manifolds. An infinite family of Shephard groups which are not Ar…