News Medical

Evolutionary convergence of the SARS-CoV-2 A-lineage spike sequences

In a recent study posted to the bioRxiv* preprint server, researchers assessed the impact of evolutionary convergence of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) A-lineage ...
JSTOR Daily

On the Weak Convergence of a Sequence of General Stochastic Difference Equations to a Diffusion

SIAM Journal on Applied Mathematics, Vol. 40, No. 3 (Jun., 1981), pp. 528-541 (14 pages) A convenient and useful method for showing weak convergence, to a diffusion, of the interpolated solutions of a ...
JSTOR Daily

On the Convergence and Limits of Certain Matrix Sequences Arising in Quasi-Birth-and-Death Markov Chains

Journal of Applied Probability, Vol. 38, No. 2 (Jun., 2001), pp. 519-541 (23 pages) We study the convergence of certain matrix sequences that arise in quasi-birth-and-death (QBD) Markov chains and we ...
Nature

Double Sequence Spaces and Almost Convergence

Double sequence spaces extend the classical notion of sequence spaces to encompass two-indexed structures, thereby providing a robust framework for the analysis of functions and operators in ...
Nature

A Text-Book of Convergence

IN this book, the theory of convergence is developed on two fundamental assumptions. The first of these is concerned with upper bounds, namely, that a certain set of numbers has in it a least number ; ...