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math.RT2026
Twisted super Yangians of quasi-split type A
Kang Lu
We introduce the twisted super Yangian of quasi-split type A in the Drinfeld current presentation for an arbitrary symmetric parity sequence $\mathfrak{…
math.RT2025
Shifted twisted Yangians and affine Grassmannian islices
Kang Lu, Weiqiang Wang, Alex Weekes
In a prequel we introduced the shifted iYangians associated to quasi-split Satake diagrams of type ADE and even spherical coweights , and constructed the iGKLO r…