2 papers
math.QA2026
Minimalistic Presentation and Coideal Structure of Twisted Yangians
Kang Lu
We introduce a minimalistic presentation for the twisted Yangian associated with split symmetric pairs (or Satake diagrams) introduced in arXiv:2406.05067 via…
math.RT2025
Shifted twisted Yangians of quasi-split ADE types
Kang Lu, Weiqiang Wang, Alex Weekes
Associated to all quasi-split Satake diagrams of type ADE and even spherical coweights , we introduce the shifted iYangians and establish their PBW bases. We c…