@article{OSWALD2015131, title = "Convergence analysis for {K}aczmarz-type methods in a {H}ilbert space framework", journal = "Linear Algebra and its Applications", volume = "478", pages = "131 - 161", year = "2015", issn = "0024-3795", doi = "10.1016/j.laa.2015.03.028", url = "http://www.sciencedirect.com/science/article/pii/S0024379515001925", author = "Peter Oswald and Weiqi Zhou", keywords = "Subspace correction, Alternating directions method, POCS algorithms, Gauss–Seidel iteration, Randomized, Condition number, Least-squares problems" }