We prove by explicit construction that graph braid groups and most surface groups can be embedded in a natural way in right-angled Artin groups, and we point out some consequences of these embeddingâ€¦ (More)

Let A be an Artin group with standard generating set {Ïƒs : s âˆˆ S}. Tits conjectured that the only relations in A amongst the squares of the generators are consequences of the obvious ones, namelyâ€¦ (More)

[1] Complete sets of mineral abundances for relatively unaltered volcanic or volcaniclastic rocks in Gusev Crater have been determined by modeling MÃ¶ssbauer subspectral areas as mineral weightâ€¦ (More)

We study the outer automorphism group of a right-angled Artin group AÎ“ in the case where the defining graph Î“ is connected and triangle-free. We give an algebraic description of Out(AÎ“) in terms ofâ€¦ (More)

We show that a large class of right-angled Artin groups (in particular, those with planar complementary defining graph) can be embedded quasi-isometrically in pure braid groups and in the groupâ€¦ (More)

In this paper we consider the class of 2â€“dimensional Artin groups with connected, large type, triangle-free defining graphs (type CLTTF). We classify these groups up to isomorphism, and describe aâ€¦ (More)

The plasma pharmacokinetics of multilamellar liposomal nystatin were studied in normal, catheterized rabbits after single and multiple daily intravenous administration of dosages of 2, 4, and 6 mg/kgâ€¦ (More)

We observe that, for fixed n â‰¥ 3, each of the Artin groups of finite type An, Bn = Cn, and affine type Ãƒnâˆ’1 and CÌƒnâˆ’1 is a central extension of a finite index subgroup of the mapping class group ofâ€¦ (More)

We exhibit 3-generator Artin groups which have finite 2-dimensional Eilenberg-Mac Lane spaces, but which do not act properly discontinuously by semi-simple isometries on a 2-dimensional CAT(0)â€¦ (More)