Semimodule

In mathematics, particularly in the field of abstract algebra, a **semimodule** is a generalization of the concept of a module, specifically over a semiring instead of a ring. ### Definitions 1. **Semiring**: A semiring is an algebraic structure consisting of a set equipped with two binary operations: addition (+) and multiplication (×). These operations must satisfy certain properties: - The set is closed under addition and multiplication.