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单词 OreDomain
释义

Ore domain


Let R be a domain (http://planetmath.org/IntegralDomain).We say that R is a right Ore domainif any two nonzero elements of Rhave a nonzero common right multiple,i.e. for every pair of nonzero x and y,there exists a pair of elements r and s of Rsuch that xr=ys0.

This condition turns out to be equivalentMathworldPlanetmathPlanetmathPlanetmathPlanetmathto the following conditions on R when viewed as a right R-module:
(a) RR is a uniform module.
(b) RR is a module of finite rank.

The definition of a left Ore domain is similar.

If R is a commutativePlanetmathPlanetmathPlanetmathPlanetmath domain (http://planetmath.org/IntegralDomain),then it is a right (and left) Ore domain.

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更新时间:2025/5/5 6:26:30