Dollar Tree beat estimates in the second quarter and raised its full-year guidance. The company called for flat EPS in the third quarter. Investors are still concerned about tariffs. Dollar Tree ...

Abstract: Aiming at the area search task of a multi-robot system in an unknown complex obstacle environment, we propose a cooperative area search algorithm based on a dual improved bio-inspired neural ...

Abstract: Given an undirected connected weighted graph with non-negative edge weights and a subset of vertices called terminals, the goal of the Steiner tree problem is to find a tree that spans the ...

LINCOLN, MASS. (WHDH) - One man taken to the hospital after a tree came crashing down onto his car while he was driving home from work in Lincoln Tuesday. Paul Murphy ...