Functional Analysis, Operator Theory, Frame Theory, Harmonic Analysis, Matrix Analysis, Function Theory, Dynamical SystemsAn instance of the Hairy Ball Theorem - a vector field with one pole on the sphere (Source: https://commons.wikimedia.org/wiki/File:Hairy_ball_one_pole.jpg)Niteesh SahniPradip KumarPriyanka GroverSanjeev AgrawalSneh Lata