Ken OHSUGA
  Professor of Theoretical Astrophysics Group
  Center for Computational Sciences
  University of Tsukuba
  Email; ohsuga[at]ccs.tsukuba.ac.jp
  
  Center for Computational Sciences, University of Tsukuba
  1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
  Theoretical Astrophysics
  Black-hole Accretion Flows and Outflows
  Formation of Super-massive Black-holes
  Relativistic Radiation Magneto-hydrodynamics Simulations