Linear and Nonlinear PDEs, Isoperimetric problems, weighted Sobolev inequalities.
Riemannian geometry, Geometric analysis, Representations of real Lie groups, Geometric quantization.
Infinite-dimensional Lie algebras and Algebraic combinatorics
Fractal Interpolation, Shape Preserving Interpolation, Geometric Modelling, Fractal Approximation, Wavelets
Complex analysis, Functional Spaces, Special Functions
Harmonic Analysis, Time -frequency Analysis, Mathematical sampling theory and data sciences, Solutions of operator equations
Approximation Theory, Sampling Operators
Functional Analysis, Matrix Theory
Operator Algebra, Operator Theory, Quantum Information theory.
Functional analysis, Operator Theory
Nonlinear Analysis-nonsmooth analysis and Optimization
Several Complex Variables