2 citations · 2 across the 1 of their papers we have counts for
3 papers
math.CO2019★ 2 cited
The Region Smoothing Swap Game
Allison Henrich, Inga Johnson, Jonah Ostroff
We introduce a topological combinatorial game called the Region Smoothing Swap Game. The game is played on a game board derived from the connected shadow of a link diagram on a (po…
math.RT2015
Combinatorics of exceptional sequences in type A
Alexander Garver, Kiyoshi Igusa, Jacob P. Matherne +1
Exceptional sequences are certain ordered sequences of quiver representations. We introduce a class of objects called strand diagrams and use this model to classify exceptional seq…
math.CO2013
Mixed cobinary trees
Kiyoshi Igusa, Jonah Ostroff
We develop basic cluster theory from an elementary point of view using a variation of binary trees which we call mixed cobinary trees. We show that the number of isomorphism classe…