Bar product
= Bar product
{wiki=Bar_product}
The term "Bar product" can refer to different concepts depending on the context. Here are a few possible interpretations: 1. **Mathematics (Algebraic Structures)**: In algebra, particularly in the context of category theory and homological algebra, a Bar product (or Bar construction) is a method used to construct a new algebraic structure (like a chain complex) from a given algebra over a commutative ring.