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Quantized Coulomb Branches of Separated Cotangent Type and Orthosymplectic Quivers
Yaolong Shen, Changjian Su, Rui Xiong
We propose a definition of the quantized Coulomb branches of separated cotangent type, and prove that the corresponding classical construction recovers the non-cotangent Coulomb br…
math.RT2026
Twisted Yangians and Steinberg varieties of type C
Changjian Su, Yang Yang
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 $\AII…