center of algebras 1characteristic p 1classical types 1drinfeld generators 1harish-chandra center 1lie algebras b and d 1modular yangians 1orthogonal yangians 1positive characteristic 1positive subalgebra 1representation theory 1shuffle algebras 1
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math.QA2026
Shuffle algebra realizations for modular Yangians
Hao Chang, Hongmei Hu, Yue Hu
The paper investigates how the positive part of modular Yangians of classical type can be realized inside shuffle algebras over fields of characteristic p>3, determines the kernel…
math.QA2026
Modular orthogonal Yangians
Hao Chang, Hongmei Hu
The paper investigates orthogonal Yangians of Lie types B and D over fields of positive characteristic, defines their p‑center, and explicitly describes the full center using Drinf…
math.QA2026
Super Yangians in characteristic
Hao Chang, Hongmei Hu
We define the super Yangian over a field $\mathbbm{k}$ of characteristic , and show that the super Yangian is a deformation of the super universal enveloping…