To whom knows him, Minoru Sakaguchi;

On June 16, 2009 Minoru Sakaguchi passed away peacefully after
a courageous battle with cancer.
Prof. Minoru Sakaguchi was 83 years old.

There expose some letters from him and the last paper which he tells me.


         Letter 1:  2007/July (Japanese)

         Letter 2:  2007/Sep  (Japanese)

         Letter 3:  2008/June  (Japanese)

         Letter 4:  2008/Sep  (Japanese)

         Paper No.184; Cover (English)

         Paper No.184; Document (English)

         Unpublished Book; Topics in Information and Decision Processes (1964)

         Unpublished Book; Information Theory and Decision Making (1964)


We respect his great contribution to various optimization problems
and giving us encouragement to make research works.

M  Yasuda   
2009 June 22