Katayama, Yoshikazu

• MATHEMATICA SCANDINAVICA Vol. 49 (1981) - Articles
  Remarks on a $C^*$-dynamical system.
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• MATHEMATICA SCANDINAVICA Vol. 55 (1984) - Articles
  Takesaki's duality for a non-degenerate co-action.
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• MATHEMATICA SCANDINAVICA Vol. 100 No. 1 (2007) - Articles
  Outer actions of a discrete amenable group on approximately finite dimensional factors II, the III$_{\lambda}$-case, $\lambda\neq 0$
  Abstract  PDF