Randomized Sparse Block Kaczmarz as Randomized Dual Block-Coordinate Descent - Petra, Stefania (Analele ştiinţifice ale Universităţii "Ovidius" Constanţa. Seria Matematică, 2015)
Keywords: compressed sensing; convex duality; convex programming; limited-data tomography; linearized Bregman method; Randomized block-coordinate descent; sparse Kaczmarz solver; underdetermined system of linear equations