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math.CO2022
RSK tableaux and the weak order on fully commutative permutations
Emily Gunawan, Jianping Pan, Heather M. Russell +1
For each fully commutative permutation, we construct a "boolean core," which is the maximal boolean permutation in its principal order ideal under the right weak order. We partitio…
math.CO2018
Frieze Vectors and Unitary Friezes
Emily Gunawan, Ralf Schiffler
Let Q be a quiver without loops and 2-cycles, let A(Q) be the corresponding cluster algebra and let x be a cluster. We introduce a new class of integer vectors which we call frieze…