Roughness in modules by using the notion of reference points

نویسندگان

  • B. Davvaz Department of Mathematics, Yazd University, Yazd, Iran
چکیده مقاله:

 module over a ring is a general mathematical concept for many examples of mathematicalobjects that can be added to each other and multiplied by scalar numbers.In this paper, we consider a module over a ring as a universe and by using the notion of reference points, we provide local approximations for  subsets of the universe.

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roughness in modules by using the notion of reference points

module over a ring is a general mathematical concept for many examples of mathematicalobjects that can be added to each other and multiplied by scalar numbers.in this paper, we consider a module over a ring as a universe and by using the notion of reference points, we provide local approximations for  subsets of the universe.

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عنوان ژورنال

دوره 10  شماره 6

صفحات  109- 124

تاریخ انتشار 2013-12-26

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