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Twisted Yangians and Steinberg varieties of type C

Representation Theory 2026-03-31 v1 Quantum Algebra

Abstract

We study the equivariant homology of the generalized Steinberg variety of type C and show that there exists a surjective algebra homomorphism from the twisted Yangian of type \AIII2n(τ)\AIII_{2n}^{(\tau)} to it.

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Cite

@article{arxiv.2603.28084,
  title  = {Twisted Yangians and Steinberg varieties of type C},
  author = {Changjian Su and Yang Yang},
  journal= {arXiv preprint arXiv:2603.28084},
  year   = {2026}
}

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40 pages