Abstract
Using the idea of Halpern iteration, we prove a strong convergence theorem for finding a common fixed point of an infinite family of demimetric mappings in a Hilbert space. Using this result, we obtain well-known and new strong convergence theorems in a Hilbert space.
References
- S. M. Alsulami, W. Takahashi: The split common null point problem for maximal monotone mappings in Hilbert spaces and applications, J. Nonlinear Convex Anal. 15 (2014) 793–808.Google Scholar
- K. Aoyama: Halpern’s iteration for a sequence of quasi-nonexpansive type mappings, in: Nonlinear Mathematics for Uncertainty and its Applications, Springer-Verlag, Berlin-Heidelberg (2011) 387–394.https://doi.org/10.1007/978-3-642-22833-9_47Google Scholar
- K. Aoyama, S. Iemoto, F. Kohsaka, W. Takahashi: Fixed point and ergodic theorems for λ-hybrid mappings in Hilbert spaces, J. Nonlinear Convex Anal. 11 (2010) 335–343.Google Scholar
- K. Aoyama, Y. Kimura, W. Takahashi, M. Toyoda: Approximation of common fixed points of a countable family of nonexpansive mappings in a Banach space, Nonlinear Anal. 67 (2007) 2350–2360.https://doi.org/10.1016/j.na.2006.08.032Google Scholar
- F. E. Browder: Convergence theorems for sequences of nonlinear operators in Banach spaces, Math. Z. 100 (1967) 201–225.https://doi.org/10.1007/BF01109805Google Scholar
- F. E. Browder: Nonlinear maximal monotone operators in Banach spaces, Math. Ann. 175 (1968) 89–113.https://doi.org/10.1007/BF01418765Google Scholar
- F. E. Browder, W. V. Petryshyn: Construction of fixed points of nonlinear mappings in Hilbert spaces, J. Math. Anal. Appl. 20 (1967) 197–228.https://doi.org/10.1016/0022-247X(67)90085-6Google Scholar
- R. E. Bruck, Jr.: Properties of fixed-point sets of nonexpansive mappings in Banach spaces, Trans. Amer. Math. Soc. 179 (1973) 251–262.https://doi.org/10.1090/S0002-9947-1973-0324491-8Google Scholar
- P. L. Combettes, S. A. Hirstoaga: Equilibrium programming in Hilbert spaces, J. Nonlinear Convex Anal. 6 (2005) 117–136.Google Scholar
- K. Goebel, W. A. Kirk: Topics in Metric Fixed Point Theory, Cambridge Studies in Advanced Mathematics 28, Cambridge University Press, Cambridge (1990).https://doi.org/10.1017/CBO9780511526152Google Scholar
- B. Halpern: Fixed points of nonexpanding maps, Bull. Amer. Math. Soc. 73 (1967) 957–961.https://doi.org/10.1090/S0002-9904-1967-11864-0Google Scholar
- M. Hojo, W. Takahashi: Weak and strong convergence theorems for generalized hybrid mappings in Hilbert spaces, Sci. Math. Jpn. 73 (2011) 31–40.Google Scholar
- S. Iemoto, W. Takahashi: Approximating common fixed points of nonexpansive mappings and nonspreading mappings in a Hilbert space, Nonlinear Anal. 71 (2009) 2082–2089.https://doi.org/10.1016/j.na.2009.03.064Google Scholar
- T. Igarashi, W. Takahashi, K. Tanaka: Weak convergence theorems for nonspreading mappings and equilibrium problems, in: Nonlinear Analysis and Optimization (S. Akashi, W. Takahashi, T. Tanaka eds.) Yokohama Publishers, Yokohama (2008) 75–85.Google Scholar
- S. Itoh, W. Takahashi: The common fixed point theory of singlevalued mappings and multivalued mappings, Pacific J. Math. 79 (1978) 493–508.https://doi.org/10.2140/pjm.1978.79.493Google Scholar
- P. Kocourek, W. Takahashi, J.-C. Yao: Fixed point theorems and weak convergence theorems for generalized hybrid mappings in Hilbert spaces, Taiwanese J. Math. 14 (2010) 2497–2511.https://doi.org/10.11650/twjm/1500406086Google Scholar
- F. Kohsaka: Existence and approximation of common fixed points of two hybrid mappings in Hilbert spaces, J. Nonlinear Convex Anal. 16 (2015) 2193–2205.Google Scholar
- F. Kohsaka, W. Takahashi: Existence and approximation of fixed points of firmly nonexpansive-type mappings in Banach spaces, SIAM. J. Optim. 19 (2008) 824–835.https://doi.org/10.1137/070688717Google Scholar
- F. Kohsaka, W. Takahashi: Fixed point theorems for a class of nonlinear mappings related to maximal monotone operators in Banach spaces, Arch. Math. (Basel) 91 (2008) 166–177.https://doi.org/10.1007/s00013-008-2545-8Google Scholar
- Y. Kurokawa, W. Takahashi: Weak and strong convergence theorems for nonspreading mappings in Hilbert spaces, Nonlinear Anal. 73 (2010) 1562–1568.https://doi.org/10.1016/j.na.2010.04.060Google Scholar
- P. E. Maingé: Strong convergence of projected subgradient methods for nonsmooth and nonstrictly convex minimization, Set-Valued Anal. 16 (2008) 899–912.https://doi.org/10.1007/s11228-008-0102-zGoogle Scholar
- G. Marino, H.-K. Xu: Weak and strong convergence theorems for strich pseudo-contractions in Hilbert spaces, J. Math. Anal. Appl. 329 (2007) 336–346.https://doi.org/10.1016/j.jmaa.2006.06.055Google Scholar
- N. Nadezhkina, W. Takahashi: Strong convergence theorem by hybrid method for nonexpansive mappings and Lipschitz-continuous monotone mappings, SIAM J. Optim. 16 (2006) 1230–1241.https://doi.org/10.1137/050624315Google Scholar
- W. Takahashi: Nonlinear Functional Analysis, Yokohama Publishers, Yokohama (2000).Google Scholar
- W. Takahashi: Convex Analysis and Approximation of Fixed Points (Japanese), Yokohama Publishers, Yokohama (2000).Google Scholar
- W. Takahashi: Introduction to Nonlinear and Convex Analysis, Yokohama Publishers, Yokohama (2009).Google Scholar
- W. Takahashi: Fixed point theorems for new nonlinear mappings in a Hilbert space, J. Nonlinear Convex Anal. 11 (2010) 79–88.Google Scholar
- W. Takahashi: The split common fixed point problem and the shrinking projection method in Banach spaces, J. Convex Analysis 24(3) (2017) 1015–1028.https://doi.org/10.68381/jca24061Google Scholar
- W. Takahashi, C.-F. Wen, J.-C. Yao: The shrinking projection method for a finite family of demimetric mappings with variational inequality problems in a Hilbert space, Fixed Point Theory, to appear.Google Scholar
- W. Takahashi, N.-C. Wong, J.-C. Yao: Weak and strong mean convergence theorems for extended hybrid mappings in Hilbert spaces, J. Nonlinear Convex Anal. 12 (2011) 553–575.Google Scholar
- W. Takahashi, N.-C. Wong, J.-C. Yao: Two generalized strong convergence theorems of Halpern’s type in Hilbert spaces and applications, Taiwanese J. Math. 16 (2012) 1151–1172.https://doi.org/10.11650/twjm/1500406684Google Scholar
- W. Takahashi, J.-C. Yao, K. Kocourek: Weak and strong convergence theorems for generalized hybrid nonself-mappings in Hilbert spaces, J. Nonlinear Convex Anal. 11 (2010) 567–586.Google Scholar
- H. K. Xu: Another control condition in an iterative method for nonexpansive mappings, Bull. Austral. Math. Soc. 65 (2002) 109–113.https://doi.org/10.1017/S0004972700020116Google Scholar
- R. Wittmann: Approximation of fixed points of nonexpansive mappings, Arch. Math. 58 (1992) 486–491.https://doi.org/10.1007/BF01190119Google Scholar
Suggested citation
Published by Heldermann Verlag, 2017. Rights now held by Banach Press LLC.
