Qaisar Khan 1, Peide Liu 2,* , Tahir Mahmood 1 , Florentin Smarandache 3 and Kifayat Ullah 1 1 Department of Mathematics and Statistic, International Islamic University, Islamabad 44000, Pakistan;… Click to show full abstract
Qaisar Khan 1, Peide Liu 2,* , Tahir Mahmood 1 , Florentin Smarandache 3 and Kifayat Ullah 1 1 Department of Mathematics and Statistic, International Islamic University, Islamabad 44000, Pakistan; [email protected] (Q.K.); [email protected] (T.M.); [email protected] (K.U.) 2 School of Management Science and Engineering, Shandong University of Finance and Economics, Jinan 250014, Shandong, China 3 Department of Mathematics and Sciences, University of New Mexico, 705 Gurley Ave, Gallup, NM 87301, USA; [email protected] * Correspondence: [email protected]; Tel.: +86-531-8222-2188
               
Click one of the above tabs to view related content.