Algorithms for encrypting computer data come in two main varieties: symmetric and asymmetric. Each encryption type has inherent strengths and weaknesses. Symmetric algorithms convert plain-text data ...
Looking for that elusive block trade but want to go through a bulge bracket broker? Then J.P. Morgan might have something for the buyside – a new algorithm designed to seek out blocks of stock and get ...
Mathematics of Computation, Vol. 50, No. 182 (Apr., 1988), pp. 431-448 (18 pages) Let $A$ be an $n \times n$ banded block Toeplitz matrix of bandwidth $k$ with $m ...