Let R be a commutative ring without zero-divisor,R is called a quasi-valuation ring,if it contains a non-zero element a such that any non-zero element of R divides a power of a.

 
  • 一個(gè)無(wú)零因子的交換環(huán)R稱(chēng)為擬賦值環(huán),如果R中有一個(gè)非零元素a,使得R的任意非零元都整除a的某個(gè)方冪。
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