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单词 ReesFactor
释义

Rees factor


Let I be an ideal of a semigroupPlanetmathPlanetmath S. Define a congruencePlanetmathPlanetmathPlanetmathPlanetmath by xy iff x=y or x,yI.

Then the Rees factor of S by I is the quotient S/. As a matter of notation, the congruence is normally suppressed, and the quotient is simply written S/I.

Note that a Rees factor always has a zero element. Intuitively, the quotient identifies all element in I and the resulting element is a zero element.

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更新时间:2025/5/4 15:06:12