Partition-function conjectures for quantum determinant and permanent singularities

From papers

Let P\mathcal{P} be the set of partitions, and define the partition functions

ϑqdet(t,α)=λPmqλ(α)fλtλ,ϑqper(t,α)=λPmqλ(α)perfλtλ.\vartheta_q^{\mathrm{det}}(t,\alpha)=\sum_{\lambda\in\mathcal{P}}\frac{m_q^\lambda(\alpha)}{f^\lambda}t^{|\lambda|},\qquad \vartheta_q^{\mathrm{per}}(t,\alpha)=\sum_{\lambda\in\mathcal{P}}\frac{m_q^\lambda(\alpha)_{\mathrm{per}}}{f^\lambda}t^{|\lambda|}.

Here fλf^\lambda is the dimension of the symmetric-group module indexed by λ\lambda. A singular point is quantum when it is not principal. Partition-function conjecture. (1) If α\alpha is a quantum singular point and k=1,2,,k=1,2,\dots,\infty, then

ϑqdet(t,α)i=1k11ti.\vartheta_q^{\mathrm{det}}(t,\alpha)\ne\prod_{i=1}^{k}\frac{1}{1-t^i}.

(2) For α(q)n=1Singn,qper\alpha(q)\in\bigcup_{n=1}^{\infty}\operatorname{Sing}_{n,q}^{\mathrm{per}},

ϑqdet(t,α(q1))=ϑqper(t,α(q)).\vartheta_q^{\mathrm{det}}(t,\alpha(q^{-1}))=\vartheta_q^{\mathrm{per}}(t,\alpha(q)).

These are stated as slightly weaker reformulations of the determinant and reciprocity conjectures. The source does not provide a resolution of either assertion.

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Sources & referencesView supporting material

Primary source

Kazufumi Kimoto and Masato Wakayama, “Quantum α-determinant cyclic modules of U_q(gl_n)”, arXiv:math/0606123 (2006).

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