**Definition**Let R be a commutative ring with unity. An R**-algebra**is an ordered pair \langle M, b \rangle where M is an R-module andb: M \times M \rightarrow Mis a bilinear map.

**Definition**Let R be a commutative ring with unity. An R**-algebra**is an ordered pair \langle M, b \rangle where M is an R-module andb: M \times M \rightarrow Mis a bilinear map.

NUWiki: Humphreys (last edited 2011-08-07 18:23:44 by JasonRibeiro)