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MOC
2002
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14 years 3 days ago
Analysis of iterative methods for saddle point problems: a unified approach
In this paper two classes of iterative methods for saddle point problems are considered: inexact Uzawa algorithms and a class of methods with symmetric preconditioners. In both cas...
Walter Zulehner
ICASSP
2010
IEEE
14 years 20 days ago
Concentration of measure for block diagonal measurement matrices
Concentration of measure inequalities are at the heart of much theoretical analysis of randomized compressive operators. Though commonly studied for dense matrices, in this paper ...
Michael B. Wakin, Jae Young Park, Han Lun Yap, Chr...