The Flexibility of the Six Vertex Lattice Model in the Study of Special Functions

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The Flexibility of the Six Vertex Lattice Model in the Study of Special Functions

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2022-06

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In this thesis, we examine the six-vertex lattice model and three generalizations thereof, whose partition functions give three different kinds of special functions: double biaxial (β,q)-Grothendieck polynomials, supersymmetric LLT functions, and metaplectic spherical Whittaker functions. Modelling these functions on a solvable lattice allows us to prove functional equations and identities by using the Yang-Baxter equations associated to the lattice model. Lattice models also encode an immense amount of data from the underlying structure of a space of special functions, and we will examine how different interpretations of this data visualize different properties of the functions, including fundamental connections to quantum groups.

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University of Minnesota Ph.D. dissertation. 2022. Major: Mathematics. Advisor: Benjamin Brubaker. 1 computer file (PDF); 153 pages.

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Frechette, Claire. (2022). The Flexibility of the Six Vertex Lattice Model in the Study of Special Functions. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/241585.

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