The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields.

In this ebook researchers explore and questions question the origin and existence of gravitational waves and black holes ...

exactness and excision you master the basic homological algebra associated to chain complexes and their homology, and can use simplicial and cellular homology to make effective calculations of ...

Fundamentally, Gromov asked whether there is a homological obstruction to quasiregularly elliptic manifolds. The first partial answer to this question was given by Bonk and Heinonen (Acta Math., 2001) ...

the intersections of its submanifolds (in homological terms) must be realizable simultaneously in the exterior algebra of a Euclidean space. Formally speaking, this means that there must be an ...

Department of Pure Mathematics, University of Leeds, Leeds LS2 9JT, UK ...

CNEY CN Energy Group. Inc.

Please view our affiliate disclosure. The way we approach education, particularly in mathematics, has changed a lot over the past few years. As students face increasingly complex math problems, ...

Mar. 25, 2025 — This a robot can walk, without electronics, and only with the addition of a cartridge of compressed gas, right off the 3D-printer. It can also be printed in one go, from one ...