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Bounds on the Distance Between a Unital Quantum Channel and the Convex Hull of Unitary Channels 期刊论文
IEEE TRANSACTIONS ON INFORMATION THEORY, 2017, 卷号: 63, 期号: 2, 页码: 1299-1310
Authors:  Yu, Nengkun;  Duan, Runyao;  Xu, Quanhua
Favorite  |  View/Download:55/0  |  Submit date:2018/07/30
Asymptotic quantum birkhoff conjecture  diamond norm  Schur multiplier  Grothendieck inequality  
INEXACT SOLVERS FOR SADDLE-POINT SYSTEM ARISING FROM DOMAIN DECOMPOSITION OF LINEAR ELASTICITY PROBLEMS IN THREE DIMENSIONS 期刊论文
INTERNATIONAL JOURNAL OF NUMERICAL ANALYSIS AND MODELING, 2011, 卷号: 8, 期号: 1, 页码: 156-173
Authors:  Chen, Xingding;  Hu, Qiya
Favorite  |  View/Download:47/0  |  Submit date:2018/07/30
Domain decomposition  geometrically non-conforming  Lagrange multiplier  saddle-point system  preconditioners  condition number  
Efficient solvers for saddle-point problems arising from domain decompositions with Lagrange multipliers 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2004, 卷号: 42, 期号: 3, 页码: 905-933
Authors:  Hu, QY;  Shi, ZC;  Yu, DH
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domain decomposition  nonmatching grids  mortar element  Lagrange multiplier  weighted saddle-point problem  preconditioner  condition number