پیوندهای مفید
اخبار و اعلانات
آمار
| تعداد نشریات | 418 |
| تعداد شماره‌ها | 10,003 |
| تعداد مقالات | 83,617 |
| تعداد مشاهده مقاله | 78,292,283 |
| تعداد دریافت فایل اصل مقاله | 55,347,040 |
Some Results for CAT(0) Spaces | ||
| Theory of Approximation and Applications | ||
| مقاله 2، دوره 7، شماره 1، مرداد 2013، صفحه 11-19 اصل مقاله (448.13 K) | ||
| نوع مقاله: Research Articles | ||
| نویسندگان | ||
| M. Asadi* 1؛ S.M. Vaezpour2؛ M. Soleymani3 | ||
| 1Department of Mathematics, Zanjan Branch, Islamic Azad University, Zanjan, Iran. | ||
| 2Department of Mathematics and Computer Science, Amirkabir University of Technology, Tehran, Iran. | ||
| 3Department of Mathematics, Malayer Branch, Islamic Azad University, Malayer, Iran. | ||
| چکیده | ||
| We shall generalize the concept of z = (1-t)+ty to n times which contains to verify some their properties and inequalities in CAT(0) spaces. In the sequel with introducing of -nonexpansive mappings, we obtain some xed points and approximate fi xed points theorems. | ||
| مراجع | ||
|
[1] L. Leustean, A quadratic rate of asymptotic regularity for CAT(0)-spaces, J. Math. Anal. Appl. 325, (2007), 386-399. [2] S. Dhompongsa and B. Panyanak, On 4-convergence theorems in CAT(0) spaces, Comput. Math. Appl. 56, (2008), 2572-2579. [3] F. Bruhat and J. Tits, Groupes reductifs sur un corps local. I. Donnees radicielles valuees, Inst. Hautes Etudes Sci. Publ. Math. 41, (1972), 5-251. [4] M. Bridson and A. Hae iger, Metric Spaces of Non-Positive Curvature, Springer- Verlag, Berlin, Heidelberg, 1999. [5] T. Suzuki, Fixed point theorems and convergence theorems for some generalized nonexpansive mappings,J. Math. Anal. Appl. 340, (2008), 1088-1095. [6] B. Nanjaras and B. Panyanaka and W. Phuengrattana, Fixed point theorems and convergence theorems for Suzuki-generalized nonexpansive mappings in CAT(0) spaces, Nonlinear Anal.: Hybrid Systems, 4, (2010), 25-31. [7] A. Razani and H. Salahifard, Invariant approximation for CAT(0) spaces, Non- linear Anal. (TMA), 72, (2010), 2421-2425. [8] P. Chaoha and A. Phon-on, A note on xed point sets in CAT(0) spaces, J. Math. Anal. Appl. 320, (2006), 983-987. [9] K. Goebel and W. A. Kirk, Some problems in metric xed point theory, J. of Fixed Point Theory and Appl. 4, (2008), 13-25. [10] M. Asadi, S. M. Vaezpour and H. Soleimani, -Nonexpansive Mappings on CAT(0) Spaces, World Appl. Sci. J. 11, (2010), 1303-1306. | ||
|
آمار تعداد مشاهده مقاله: 420 تعداد دریافت فایل اصل مقاله: 328 |
||