The most recent TIMSS assessment underscores the seriousness of our problem. Canadian Grade 4 students performed below both U.S. students and the international median at nearly every math benchmark ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Abstract: The vehicle routing problem with backhauls (VRPBs) is a challenging problem commonly studied in computer science and operations research. Featured by linehaul (or delivery) and backhaul (or ...

Abstract: In this paper, we use a physically informed neural network (PINN) to solve the Maxwell's equations in time domain. PINN is a kind of physically constraint network, which can be used to solve ...

Welcome to the Codeforces 800 Rated Problem Solutions repository! This repository contains my solutions to various Codeforces problems rated 800. This is a beginner-friendly collection of ...