55 citations · 143 across the 12 of their papers we have counts for
Showing 2016Show all
2 papers · 1 filter
math.RT2016★ 2 cited
Picture groups of finite type and cohomology in type
Kiyoshi Igusa, Gordana Todorov, Jerzy Weyman
For every quiver (valued) of finite representation type we define a finitely presented group called a picture group. This group is very closely related to the cluster theory of the…
math.GT2016
Whitney towers and abelian invariants of knots
Jae Choon Cha, Kent E. Orr, Mark Powell
We relate certain abelian invariants of a knot, namely the Alexander polynomial, the Blanchfield form, and the Arf invariant, to intersection data of a Whitney tower in the 4-ball…