R. Sujatha is a professor at Tata Institute of Fundamental Research (TIFR)/Bombay University. Her research interests include algebra and number theory.H.N. Ramaswamy is a professor of mathematics at the University of Mysore. His research interests encompass algebra, number theory, and algebraic graph theory. He is also interested in the aesthetics surrounding mathematics, music, and nature.C.S. Yogananda teaches at Sri Jayachamarajendra College of Engineering. His research interests include number theory, arithmetic, and mathematics education.