When you buy through links on our articles, Future and its syndication partners may earn a commission. Mathematicians have solved a longstanding algebra problem, providing a general solution for ...

It was late 1984, some 39 years ago this month, and I was new to the company where I still work today. Right out of the chute, the president of the company handed his new D of E an assignment: Fix our ...

Our purpose in this paper is to study the convergence rate of some variants of the Schwarz alternating method for solving two types of singularly perturbed advection-diffusion equations, one in which ...