Chakkrid Klin-eamSuthep SuantaiNaresuan UniversityChiang Mai UniversityMahidol University2018-09-242018-09-242010-06-01Applied Mathematics Letters. Vol.23, No.6 (2010), 728-731089396592-s2.0-77950189635https://repository.li.mahidol.ac.th/handle/123456789/29331In this paper, we prove some fixed point theorems of α-nonexpansive mappings introduced by Goebel and Pineda (2007) [1]. Moreover, the demiclosedness principle for theα-nonexpansive mappings is also established. © 2010 Elsevier Ltd. All rights reserved.Mahidol UniversityMathematicsArticleSCOPUS10.1016/j.aml.2010.02.018