The Supreme Court has agreed to consider reviving a Republican challenge to an Illinois law that allows mail ballots to be counted if they are received up to two weeks after Election Day A little ...

Abstract: Two-echelon vehicle routing problem (2E-VRP) is an NP-hard combinatorial optimization problem and a basic mathematical model of modern city logistics. While it is difficult to obtain the ...

For this reason, an algorithm that can solve these problems is effective and highly sought after. This article proposes a novel systematic framework using a two-phase distributed ruin-and-recreate ...