Affiliation: | 1.Department of Mathematics,VIT University,Vellore,India;2.Department of Mathematics,Sri Venkateswara University,Tirupati,India;3.Department of Mathematics,GITAM University,Visakhapatnam,India;4.Department of Engineering and Architecture,University of Parma,Parma,Italy;5.Department of Industrial Engineering,Alma Mater Studiorum-University of Bologna,Bologna,Italy |