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arXiv · 2111.10655

A note on odd reflections of super Yangian and Bethe ansatz

Kang Lu
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Abstract

In a recent paper arXiv:2109.09462, Molev introduced analogues of the odd reflections for the super Yangian $\mathrm{Y}(\mathfrak{gl}_{m|n})$ and obtained a transition rule for the change of highest weights when the parity sequence is altered. In this note, we reproduce the results from a different point of view and discuss their relations with the fermionic reproduction procedure of the XXX-type Bethe ansatz equations introduced in arXiv:1811.11225. We give an algorithm that how the $q$-characters change under the odd reflections. We also take the chance to compute explicitly the $q$-characters of skew representations of $\mathrm{Y}(\mathfrak{gl}_{m|n})$ for arbitrary parity sequences.

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Kang Lu. 2021-11-20. A note on odd reflections of super Yangian and Bethe ansatz. https://doi.org/10.1007/s11005-022-01524-3

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