GCHQ’s chief puzzler, known only as Colin, added: “This year’s Christmas challenge features seven puzzles designed to test ...

AntColor implements a very efficient, heuristic ant-based algorithm for the (classical) Graph Coloring problem. AntColor also supports several popular generalizations, namely the Bandwidth Coloring, ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, ...

Multi-Depot Vehicle Routing Problem (MDVRP) requires constructing routes from multiple depots to geographically dispersed customers under capacity constraints. Unlike single-depot routing problems, ...

Abstract: This paper develops several new dynamical designs, based on the gradient neural network (GNN), from the perspective of control theory to solve the time-varying Sylvester equation (TVSE). We ...