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math.RT2018
Rigid potentials for cluster algebras from double Bruhat cells
Maitreyee C. Kulkarni
Buan, Iyama, Reiten and Smith proved that the superpotential of a quiver corresponding to an element of Coxeter group is rigid. In this paper, we extend this result to the Berenste…
math.RT2018
Combinatorics of Fourier transforms for type A quiver representations
Pramod N. Achar, Maitreyee C. Kulkarni, Jacob P. Matherne
We describe two new combinatorial algorithms (using the language of "triangular arrays") for computing the Fourier transforms of simple perverse sheaves on the moduli space of repr…