On Rough Covexsity Sets

Authors

  • M. Swealam Tanta university, Egypt
  • R.A. Afify Tanta university, Egypt
  • M. El Sayed Tanta university, Egypt

DOI:

https://doi.org/10.24297/jam.v4i3.3705

Keywords:

Convex set and Rough sets.

Abstract

In this paper, we introduced new concepts for surely and possibly , start shaped (convex ) set. Also for rough start shaped ( rough convex) set .We established the neccessary and sufficient conditions for a set to be star shaped (convex ) set or rough starshaped ( rough convex) set . Finally ,we introduced new concepts for star shaped (convex ) relation.

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Author Biographies

  • M. Swealam, Tanta university, Egypt
    Department of Mathematics, Faculty of Science
  • R.A. Afify, Tanta university, Egypt

    Department of Mathematics, Faculty of Science

  • M. El Sayed, Tanta university, Egypt
    Department of Mathematics, Faculty of Science
JOURNAL OF ADVANCES IN MATHEMATICS

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Published

2013-12-11

Issue

Vol. 4 No. 3 (2013)

Section

Articles

License

Creative Commons License All articles published in Journal of Advances in Linguistics are licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

On Rough Covexsity Sets. (2013). JOURNAL OF ADVANCES IN MATHEMATICS, 4(3), 534-540. https://doi.org/10.24297/jam.v4i3.3705

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