Some Results via Gril Semi –p-Open Set

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Esmaeel R. B.
Shahadhuh N. M.


The significance of the work is to introduce the new class of open sets, which is said Ǥ- -open set with some of properties. Then clarify how to calculate the boundary area for these sets using the upper and lower approximation and obtain the best accuracy.

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B., E. R., & M., S. N. (2021). Some Results via Gril Semi –p-Open Set. Ibn AL-Haitham Journal For Pure and Applied Sciences, 34(4), 108–115.