Takuya Katayama (片山 拓弥)

I am a postdoctoral researcher in mathematics at Gakushuin University. 
   Faculty of Science
   Gakushuin University
   1-5-1 Mejiro, Toshima, Tokyo 171-8588, Japan

   E-Mail: katayama[at]math.gakushuin.ac.jp (please replace [at] with @)

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