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On Balanced Separators, Treewidth, and Cycle Rank
vertex separator treewidth pathwidth bandwidth cycle rank ordered coloring
2011/3/2
We investigate relations between di erent width parameters of graphs, in particular balanced sepa-rator number, treewidth, and cycle rank.
Discrete primitive-stable representations with large rank surplus
Primitive stable Whitehead graph Representations
2010/12/15
We construct a sequence of primitive-stable representations of free groups into PSL2(C) whose ranks go to in nity, but whose images are discrete with quotient manifolds that converge geometrically to ...