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SIAMJO
2010
246views more  SIAMJO 2010»
14 years 8 months ago
A Singular Value Thresholding Algorithm for Matrix Completion
This paper introduces a novel algorithm to approximate the matrix with minimum nuclear norm among all matrices obeying a set of convex constraints. This problem may be understood a...
Jian-Feng Cai, Emmanuel J. Candès, Zuowei S...
SIAMJO
2010
107views more  SIAMJO 2010»
14 years 8 months ago
Second-Order Analysis of Polyhedral Systems in Finite and Infinite Dimensions with Applications to Robust Stability of Variation
Abstract. This paper concerns second-order analysis for a remarkable class of variational systems in finite-dimensional and infinite-dimensional spaces, which is particularly imp...
René Henrion, Boris S. Mordukhovich, Nguyen...
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SIAMSC
2010
120views more  SIAMSC 2010»
14 years 8 months ago
Simultaneously Sparse Solutions to Linear Inverse Problems with Multiple System Matrices and a Single Observation Vector
Abstract. A problem that arises in slice-selective magnetic resonance imaging (MRI) radiofrequency (RF) excitation pulse design is abstracted as a novel linear inverse problem with...
Adam C. Zelinski, Vivek K. Goyal, Elfar Adalsteins...
TMC
2010
137views more  TMC 2010»
14 years 8 months ago
Asymptotic Distortion Performance of Source-Channel Diversity over Multihop and Relay Channels
—A key challenge in the design of real-time wireless multimedia systems is the presence of fading coupled with strict delay constraints. A very effective answer to this problem i...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu
TMC
2010
138views more  TMC 2010»
14 years 8 months ago
Reliable Anchor-Based Sensor Localization in Irregular Areas
—Localization is a fundamental problem in wireless sensor networks and its accuracy impacts the efficiency of location-aware protocols and applications, such as routing and stora...
Bin Xiao, Lin Chen, Qingjun Xiao, Minglu Li