2 papers
math.RT2016
Relative contravariantly finite subcategories and relative tilting modules
Wei Han, Shen Li, Shunhua Zhang
Let be a finite dimensional algebra over an algebraically closed field . Let be a tilting -module and be the endomorphism algebra of . In this p…
quant-ph2014
Quantum speed limits for Bell-diagonal states
Ying-Jie Zhang, Wei Han, Yun-Jie Xia +3
Bounds of the minimum evolution time between two distinguishable states of a system can help to assess the maximal speed of quantum computers and communication channels. We study t…