Algebraic structures such as semirings and modules have long been a fertile ground for both theoretical exploration and practical application. Semirings, generalisations of rings that typically lack ...

Algebraic structures form the backbone of many modern mathematical theories, with module theory standing as a central discipline within abstract algebra. Modules, generalising the concept of vector ...

ATK: Alliant Techsystems has delivered a technological first to NASA: a full-scale, crew module structure made of composite materials. The Composite Crew Module (CCM) is a unique capsule design that ...