• First-principles method for strongly correlated electron systems
  (Introduction of static and/or dynamic correlation into first principle method)
• First-principles method for a variety of ordered states
  (Complex magnetic order, Multipole order, Orbital order, Super conducting states, etc.)
• First-principles method for non-periodic systems (Surface/Interface, Quasicrystal, impurity, etc.)
• First-principles method beyond the density functional theory
  (Finite temperature, Excited states, Time dependency, etc.)
• Development of fast and accurate first principle codes with parallel computation techniquer
  (Code development with MPI/Open MP/GPU)

• Investigation of a variety of quantum states
  (Orbital/Multipole ordered states, Relation between crystal field and one electron schemes, Heavy fermion/Valence fluctuation states)
• Mechanism of phase transitions
  (Metal-insulator transition, Quantum phase transition, Spin/Charge density wave (SDW, CDW), etc.)
• Calculation of physical quantities with first principle approach
  (Fermi surface effect, Dynamic responce functions, Electric field gradient, Magnetic distribution, etc.)

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