We introduce a non-standard quantum group Xq(Bn) of type Bn which is a Hopf algebra. Then we replace the group of grouplike elements of Xq(Bn), and obtain a weak Hopf algebra wXq(Bn). Finally, we describe the Ex...We introduce a non-standard quantum group Xq(Bn) of type Bn which is a Hopf algebra. Then we replace the group of grouplike elements of Xq(Bn), and obtain a weak Hopf algebra wXq(Bn). Finally, we describe the Ext-quiver of wXq(Bn) as a coalgebra.展开更多
基金Supported by the National Natural Science Foundation of China(Grant Nos.11671024 11471186)the Natural Science Foundation of Beijing(Grant No.1162002)
文摘We introduce a non-standard quantum group Xq(Bn) of type Bn which is a Hopf algebra. Then we replace the group of grouplike elements of Xq(Bn), and obtain a weak Hopf algebra wXq(Bn). Finally, we describe the Ext-quiver of wXq(Bn) as a coalgebra.
基金Supported by NSF(No.11101288)NSF of Zhejing province(No.Y6110323)+1 种基金Jiangsu planned projects for postdoctoral Research Funds(No.0902081C)Project of Shaoxing University(No.09LG1001)