Rump, Siegfried M.Siegfried M.RumpSekigawa, HiroshiHiroshiSekigawa2021-01-252021-01-252010Operator Theory: Advances and Applications 199: 397-419 (2010)http://hdl.handle.net/11420/8570enInformatikMathematikThe ratio between the Toeplitz and the unstructured condition numberBook Part10.1007/978-3-7643-8996-3_18Book Chapter