Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Fixed point theorems for weakly contractive mappings on g-Metric spaces and a homotopy result183310.22075/ijnaa.2012.33ENAErduranDepartment of Mathematics, Faculty of Science and Arts, Kirikkale Univer-
sity, 71450 Yahsihan, Kirikkale, Turkey.I.AltunDepartment of Mathematics, Faculty of Science and Arts, Kirikkale Univer-
sity, 71450 Yahsihan, Kirikkale, Turkey.Journal Article20110329In this paper, we give some xed point theorems for '-weak contractive<br />type mappings on complete G-metric space, which was given by Zaed and<br />Sims [1]. Also a homotopy result is given.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Weak and strong convergence theorems for a finite family of generalized asymptotically quasinonexpansive nonself-mappings9163510.22075/ijnaa.2012.35ENP.YatakoatDepartment of Mathematics, Faculty of Science, Chiang Mai University, Chiang
Mai 50200, ThailandS.SuantaiDepartment of Mathematics, Faculty of Science, Chiang Mai University, Chiang
Mai 50200, ThailandJournal Article20110130In this paper, we introduce and study a new iterative scheme to<br />approximate a common xed point for a nite family of generalized asymptotically<br />quasi-nonexpansive nonself-mappings in Banach spaces. Several strong and weak<br />convergence theorems of the proposed iteration are established. The main results<br />obtained in this paper generalize and rene some known results in the current<br />literature.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101A unique common fixed point theorem for six maps in g-metric spaces17233710.22075/ijnaa.2012.37ENK. P. R.RaoDepartment of Applied Mathematics, Acharya Nagarjuna University-Dr.M.R.
Appa Row Campus, Nuzvid-521 201,Andhra Pradesh,IndiaK. B.LakshmiDepartment of Applied Mathematics, Acharya Nagarjuna University-Dr.M.R.
Appa Row Campus, Nuzvid-521 201,Andhra Pradesh,IndiaZ.MustafaDepartment of Mathematics, The Hashemite University, P.O. 330127, Zarqa
13115,JordanJournal Article20110301In this paper we obtain a unique common xed point theorem for six<br />weakly compatible mappings in G-metric spaces.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Common fixed point of generalized ($psi$-$varphi$)-weak contraction mappings24303810.22075/ijnaa.2012.38ENS.MoradiDepartment of Mathematics, Faculty of Science, Arak University, Arak, 38156-
8-8349, Iran.E.AnaloeiDepartment of Mathematics, Faculty of Science, Arak University, Arak, 38156-
8-8349, Iran.Journal Article20110601Let (X; d) be a complete metric space and let f; g : X ! X be<br />two mappings which satisfy a ( ')-weak contraction condition or generalized<br />( ')-weak contraction condition. Then f and g have a unique common xed<br />point. Our results extend previous results given by Ciric (1971), Rhoades (2001),<br />Branciari (2002), Rhoades (2003), Abbas and Ali Khan (2009), Zhang and Song<br />(2009) and Moradi at. el. (2011).Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101On the fine spectra of the Zweier matrix as an operator over the weighted sequence space $l_{p}(w)$31394210.22075/ijnaa.2012.42ENR.LashkaripourDepartment of Mathematic, Faculty of Mathematics, University of Sistan and
Baluchestan, Zahedan, Iran.J.FathiDepartment of Mathematic, Faculty of Mathematics, University of Sistan and
Baluchestan, Zahedan, Iran.Journal Article20110203In the present paper, the ne spectrum of the Zweier matrix as an<br />operator over the weighted sequence space `p(w); have been examined.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101On the approximate solution of Hosszus
functional equation40444510.22075/ijnaa.2012.45ENB.BouikhaleneLaboratory LIRST, Polydisciplinary Faculty, Departement of Mathematics,
University Sultan Moulay Slimane, Beni-Mellal Morocco.J. M.RassiasNational and Capodistrian University of Athens, Section of Mathematics and
Informatics, 4, Agamemnonos Str., Aghia Paraskevi, Athens 15342, Greece.A.CharifiFaculty of sciences, Departement of Mathematics, University of Ibn Tofail,
Kenitra, Morocco.S.KabbajFaculty of sciences, Departement of Mathematics, University of Ibn Tofail,
Kenitra, Morocco.Journal Article20110906We show that every approximate solution of the Hosszu's functional<br />equation<br />f(x + y + xy) = f(x) + f(y) + f(xy) for any x; y 2 R;<br />is an additive function and also we investigate the Hyers-Ulam stability of this<br />equation in the following setting<br />jf(x + y + xy) f(x) f(y) f(xy)j + '(x; y)<br />for any x; y 2 R and > 0.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Some inequalities involving lower bounds of operators on weighted sequence spaces by a matrix norm45544610.22075/ijnaa.2012.46ENA. R.MoazzenDept. of Math.,University of Sistan and Baluchestan , Zahedan, Iran.R.LashkaripourDept. of Math.,University of Sistan and Baluchestan , Zahedan, Iran.Journal Article20110106Let A = (an;k)n;k1 and B = (bn;k)n;k1 be two non-negative ma-<br />trices. Denote by Lv;p;q;B(A), the supremum of those L, satisfying the following<br />inequality:<br />k Ax kv;B(q) L k x kv;B(p);<br />where x 0 and x 2 lp(v;B) and also v = (vn)1n<br />=1 is an increasing, non-negative<br />sequence of real numbers. In this paper, we obtain a Hardy-type formula for<br />Lv;p;q;B(H), where H is the Hausdor matrix and 0 < q p 1. Also for the<br />case p = 1, we obtain kAkw;B(1), and for the case p 1, we obtain Lw;B(p)(A).Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101An analog of Titchmarsh's theorem for the Dunkl transform in the space $mathrm{L}_{alpha}^{2}(mathbb{R})$55604810.22075/ijnaa.2012.48ENR.DaherDepartment of Mathematics, Faculty of Science Ain Chick, University Hassan II, Casablanca, MoroccoM.El HammaDepartment of Mathematics, Faculty of Science Ain Chick, University Hassan II, Casablanca, MoroccoJournal Article20120107In this paper, using a generalized Dunkl translation operator, we obtain an analog of Titchmarsh's Theorem for the Dunkl transform for functions satisfying the Lipschitz-Dunkl condition in $mathrm{L}_{2,alpha}=mathrm{L}_{alpha}^{2}(mathbb{R})=mathrm{L}^{2}(mathbb{R}, |x|^{2alpha+1}dx), alpha>frac{-1}{2}$.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Application of He's homotopy perturbation
method for solving Sivashinsky equation61674910.22075/ijnaa.2012.49ENM.GhasemiDepartment of Applied Mathematics,
Faculty of Science, Shahrekord University, Shahrekord, P. O. Box
115, Iran.A.DavariDepartment of Mathematics, University of Isfahan,
Isfahan, Iran.M.FardiDepartment of Mathematics, Islamic Azad University, Najafabad Branch, Najafabad, Iran.Journal Article20110507In this paper, the solution of the evolutionary<br />fourth-order in space, Sivashinsky equation is obtained by means<br />of homotopy perturbation method (textbf{HPM}). The results reveal<br />that the method is very effective, convenient and quite accurate<br />to systems of nonlinear partial differential equations.Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-68223120120101Coupled systems of equations with entire and polynomial functions68735010.22075/ijnaa.2012.50ENM.GilDepartment of Mathematics,
Ben Gurion University of the NegevJournal Article20110107We consider the coupled system<br />$F(x,y)=G(x,y)=0$,<br />where<br />$$<br />F(x, y)=bs 0 {m_1} A_k(y)x^{m_1-k}mbox{ and } G(x, y)=bs 0 {m_2} B_k(y)x^{m_2-k}<br />$$<br />with entire functions $A_k(y), B_k(y)$.<br />We derive a priory estimates for the sums of the roots<br />of the considered system and<br />for the counting function of roots.