Sehie Park is the living legend of the fixed point theory, and he is 90 years old:

In his words: “It is my 90th year on this planet.”

In this context, we decided to organize a special issue to celebrate the 90th anniversary of Professor Sehie Park, to honor him, and to emphasize the importance of his contributions to mathematics. This special issue will appear at JNCA. For more details, visit the webpage of the journal:

http://www.yokohamapublishers.jp/online2/cpsp.pdf

Note that the special issue will cover a limited

number of papers; hence, only very qualified papers will be recommended.