ell_2/ell_1\$ -Optimization in Block-Sparse Compressed Sensing and Its Strong Thresholds
M. Stojnic, " \$ell_2/ell_1\$ -Optimization in Block-Sparse Compressed Sensing and Its Strong Thresholds ", IEEE J. Selected Topics in Signal Processing, vol. 4, no. 2, pp. 350-357, Apr. 2009.
2009