New methods development in
quantum chemistry and physics
Many-electron theory 
    - Electron correlation
    - Density Functional Theory
    - Orbital dependent functionals and potentials
    - Optimized Effective Potential Method (OEP)
    - Coupled Cluster Method
    - Many-Body Perturbation Theory 
    - Spina-Scaled-Component MP2 method
    - Non-covalently interacting systems

    - development of the new correct exchange- correlation functionals and potentials in DFT
    - Ab initio DFT 
    - Orbital dependent exchange and correlation functionals and potentials
    - Many-Body Perturbation Theory
    - Connections between WFT and DFT
    - Numerical Methods in quantum chemistry and physics.
    - Tensor Contraction Engine (TCE) and its applications in quantum chemistry.
    - Computer systems and electronic data safety