In this note, we define the class of finite groups of Suzuki type, which are non–abelian groups of exponent 4 and class 2 with special properties. A group G of Suzuki type with |G| = 22s always possesses a non–trivial difference set. We show that if s is odd, G possesses a central difference set, whereas if s is even, G has no non–trivial central difference set.

In this paper, we prove some multivalued Caristi type fixed point theorems. These results generalize the corresponding generalized Caristi’s fixed point theorems due to Kada-Suzuki-Takahashi (1996), Bae (2003), Suzuki (2005), Khamsi (2008) and others. 2000 Mathematics Subject Classification: 47H09, 54H25.

Serial changes in proximal urethral function after transurethral balloon laser hyperthermia of the prostate (TUBAL-H) in a canine model Author(s) KUROKAWA, Kohei; SUZUKI, Takanori; SUZUKI, Kazuhiro; FUKABORI, Yoshitatsu; IMAI, Kyoichi; YAMANAKA, Hidetoshi Citation 泌尿器科紀要 (1996), 42(9): 655-661 Issue Date 1996-09 URL http://hdl.handle.net/2433/115807 Right Type Departmental Bulletin Paper Textve...