How bad are Pick matrices. Georg Heinig and V.Olshevsky. The Schur algorithm for matrices with Hessenberg displacement structure. V.Olshevsky and Michael Stewart. Stable Factorization of Hankel and Hankel-like Matrices.
Full paper is in press.
Full paper is in press. V.Olshevsky and A.Shokrollahi. A displacement structure approach to efficient decoding of Reed-Solomon and algebraic geometric codes. Full paper is submitted.