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Education
  • 1997: Ph.D., California Institute of Technology
  • 1990: M.S., Seoul National University
  • 1988: B.S., Seoul National University
Research Interests
  • Nonperturbative aspects of string and M-theory
  • Supersymmetric quantum field theory
  • Physics of black holes
  • String theory and mirror symmetry
Major Research Achievements
  • Small instanton transition in heterotic M-theory
  • Construction of the world volume action of the M-theory five-brane
  • Construction of the supersymmetric orientifolds in six dimensions
  • Stringy realization of the supersymmetric field theories
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