On the Center of Two-parameter Quantum Groups $U_{r,s}({\mathfrak{so}}_{2n+1})$

Naihong Hu, Yuxing Shi

The paper mainly considers the center of two-parameter quantum groups $U_{r,s}({\mathfrak{so}}_{2n+1})$ via an analogue of the Harish-Chandra homomorphism. In the case when $n$ is od…