- Hyperbolic hydra
with Noel Brday and Will Dison, preprint
- The
Dehn function of Baumslag's metabelian group
with Martin Kassabov, to appear in Geometriae Dedicata
- Hydra groups
with Will Dison, preprint
- The Dehn function
of Stallings' group
with Will Dison, Murray Elder and Robert Young, Geometric and Functional Analysis, 19(2), pages 406–422, 2009
- Extrinsic
versus intrinsic diameter for Riemannian filling-discs and van Kampen
diagrams
with Martin Bridson, Journal of Differential Geometry, 82(1), 115–154, 2009
- The Dehn
function of SLn(Z) (expository)
L'Enseignement Mathématique, 40, "Guido's book of Conjectures", pages 156–158, 2008
- Free and fragmenting
filling length
with Martin Bridson, Journal of Algebra, 307(1), pages 171–190, 2007
- The
absence of efficient dual pairs of spanning trees in planar
graphs
with Bill Thurston, Electronic J. Comb., 13, N13, 2006
- Filling
functions
Part II of Geometry of the Word Problem for Finitely Generated Groups,
Advanced Courses in Mathematics, CRM Barcelona, Birkhäuser-Verlag, 2007
- The
unbounded dead-end depth property is not a group
invariant
with Andrew Warshall, Int. J. Alg. Comp., 16(5), pages 969–984, 2006.
- Diameters of
Cayley Graphs of Chevalley Groups
with Martin Kassabov, Eur. J. Comb., 28(3), pages 791–800, 2007
- Navigating in the
Cayley Graphs of SL_N(Z) and SL_N(F_p)
Geometriae Dedicata, 113(1), pages 215–229, 2005
- A
finitely presented group with unbounded dead-end depth
with Sean Cleary, Proc. Amer. Math. Soc., 134(2), pages 343–349, 2006
- Some duality conjectures for finite
graphs and their group theoretic consequences
with Steve Gersten, Proc. Edin. Math. Soc., 48(2), pages 389–421, 2005
- The gallery length filling function and
a geometric inequality for filling length
with Steve Gersten, Proc. London Math. Soc., 92(3), pages 601–623, 2006
- Isoperimetric
inequalities for nilpotent groups
with Steve Gersten and Derek Holt, Geometric And Functional Analysis , 13, pages 795–814, 2003
- The geometry
of groups satisfying weak almost-convexity or weak geodesic-combability
conditions
Journal of Group Theory, 5(4), pages 513–525, 2002
- Higher
connectedness of asymptotic cones
Topology, 42, pages 1289–1352, 2003
- Filling radii of finitely
presented groups
with Steve Gersten, Quarterly Journal of Mathematics (Oxford), 53(1), pages 31–45, 2002
- Filling length in finitely
presentable groups
with Steve Gersten, Geometriae Dedicata, 92(1), pages 41–58, 2002
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of non–positively curved groups, Spring 2011 |
