Involutions with fixed points in 2-Banach spaces

Abstract

Some results on fixed points of involution maps in 2-Banach spaces have been obtained. These are extensions of those proved earlier by Goebel-Zlotkiewicz, Sharma-Sharma, Assad-Sessa and Iśeki.

Keywords

• involutions
• 2-Banach spaces
• coincidence points
• fixed points.