Rigged configurations as tropicalizations of loop Schur functions

Abstract

We conjecture an explicit formula for the image of a tensor product of Kirillov-Reshetikhin crystals ${⨂}_{i=1}^m{B}^{1,s_i}$ under the Kirillov-Schilling-Shimozono bijection. Our conjectured formula is piecewise-linear, where the shapes are given by the tropicalization of cylindric loop Schur functions and the riggings are given by the tropicalization of loop Schur functions. We prove that our formula changes the riggings by the correct amount based upon the time evolution of the corresponding box-ball system. We show that our formula is correct under the column splitting portion of the Kirillov-Schilling-Shimozono bijection and for $B^{1,s}$.

arXiv comment19 pages, 3 figures

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Cited by in corpus (2)

• A uniform approach to soliton cellular automata using rigged configurations
• Uniform description of the rigged configuration bijection