서울대 작용소 세미나 1995 Feb 13: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, I 1995 Feb 14: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, II 1995 Feb 15: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, III 1995 Feb 16: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, IV 1995 Feb 17: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, V 1995 Feb 18: Kenneth J. Dykema(Fields Institute); Free random variables and von Neumann algebras, VI