Research Article New Rough Approximations Based on E-Neighborhoods

摘要: Research Article New Rough Approximations Based on E-Neighborhoods Page 1 Research Article New Rough Approximations Based on E-Neighborhoods Tareq M. Al-shami ,1,2 Wen Qing Fu ,1 and EA Abo-Tabl3,4 1Freshman Academy, Xi’an Technological University, Xi’an 710021, China 2Department of Mathematics, Sana’a University, Sana’a, Yemen 3Department of Mathematics, College of Arts and Science, Methnab, Qassim University, Buridah, Saudi Arabia 4Department of Mathematics, Faculty of Science, Assiut University, Assiut, Egypt Correspondence should be addressed to Wen Qing Fu; palace_2000@163.com Received 7 December 2020; Revised 15 January 2021; Accepted 30 January 2021; Published 2 March 2021 Academic Editor: Abdel-Haleem Abdel-Aty Copyright © 2021 Tareq M. Al-shami et al. is is an open access article distributed under the Creative Commons Attribution License, which …