Stability of Some Advanced Functional Equations in Various Spaces

About Choonkil ParkHemen DuttaR. VadivelVediyappan Govindan

Hemen Dutta received his M.Sc. M.Phil. and Ph.D. all in Mathematics and also completed Post Graduate Diploma in Computer Application. His research interests include nonlinear analysis mathematical modeling functional equations and summability theory. He is a regular and a guest-editor of several SCI/SCIE indexed journals. He has also published several thematic issues in leading journals. He has to his credit over 200 publications as research articles proceedings papers and chapters in books. He has also authored and edited several books published by leading publishers. He has organized many academic events and served as a speaker in various national and international events. He is a regular faculty member in the Department of Mathematics at Gauhati University India.Vediyappan Govindan obtained his M.Phil. and Ph.D. both in Mathematics from Periyar University India. He began his teaching career as an assistant professor of mathematics at Sri Ganesh College of Arts andScience Salem under Periyar University from 2008 and 2009. During 2009 to 2020 he worked as an assistant professor of mathematics at Sri Vidya Mandir Arts and Science College Uthangarai under Periyar University. He received the Best Teacher Award in 2016 and 2019 respectively from Sri Vidya Mandir Arts and Science College Uthangarai under Periyar University. He also received Young Scientist Award in 2019 from Sri Vidya Mandir Arts and Science College Uthangarai under Periyar University. His research interests include functional equations neural networks and differential equations. He has to his credit more than 73 research articles in various Scopus and SCI indexed journals. Currently he is working as a lecturer-I at DMI St. John the Baptist University Mangochi Malawi Central Africa. Choonkil Park has accomplished his doctoral degree in Mathematics from the University of Maryland USA and is currently working as a professor at Hanyang University South Korea. He is working for several journals as an associate editor and a chief-editor of one journal. His main research topics include operator algebras functional inequalities functional equations non-commutative geometry fixed-point theory and fuzzy mappings. He has published a number of academic articles in international journals related to operator algebras functional inequalities functional equations non-commutative geometry fixed-point theory and fuzzy mappings. Within the last twenty years he has successfully published more than 550 articles in SCIE journals.R. Vadivel received his B. Sc. M.Sc. M.Phil. Degrees in Mathematics from Sri Ramakrishna Mission Vidyalaya College of Arts and Science affiliated to Bharathiar University Tamil Nadu India  and Ph.D. in Mathematics from the Department of Mathematics Thiruvalluvar University India.  He was a post-doctoral research fellow at the Research Center for Wind Energy Systems Kunsan National University Gunsan South Korea from 2018 to 2019. Currently he is working as a lecturer in the Department of Mathematics Faculty of Science and Technology Phuket Rajabhat University Thailand.