Since then we achieved that this journal has an impact factor of 1.827. 12 0 obj ∥); the history u t :(-∞,0]→X, defined by u t (θ):=u(t+θ), belongs to some abstract phase space ℬ defined axiomatically, φ∈ℬ and ρ,f,g are appropriated functions. Articles are indexed by Math Reviews, Zentralblatt für Mathematik, and Thomson Reuters web of knowledge. (�� Journal provider: Bolyai Institute, University of Szeged ISSN: HU ISSN 1417-3875. That w as done b y M. Otelbaev [6] who found the conditions of oscillation and nonoscillation Sturm-Liouville's equation. This paper is concerned with positive almost periodic type solutions to a class of nonlinear difference equation with delay. (2010), pp. It is shown that in the space with a moving field, there always exist metric geodesics of which are the solutions to a given differential equation and its conjugate equation. (��ꮥXd��(
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�=}[>rׁ�+��F�d���X 0 uxt�?�� Conditions on the parameter values are derived to show that the positive equilibrium point can be emerged or annihilated through transcritical bifurcation at axial equilibrium points. >> In: Electronic journal of qualitative theory of differential equations 25. pp. endobj In this paper we consider $N$ species nonautonomous competitive reaction-diffusion-advection system of Kolmogorov type in heterogeneous environment. The objective of this paper is to clarify the relationship between the C1-smooth dependence of solutions to delay differential equations (DDEs) on initial histories (i.e., initial conditions) and delay parameters. Saved in: Format: Electronic: Language: English: Published: Szeged, Hungary : Electronic Journal of Qualitative Theory of Differential Equations, 1998-Subjects: Differential equations > Periodicals. On page 3, before (2.2), instead of “Applying the mean value theorem” it should read “By simple calculations”. For the free boundary problem, the spreading–vanishing dichotomy is proved, i.e., the solution either spreads or vanishes finally. In: Electronic journal of qualitative theory of differential equations 20. pp. endobj 2010 Mathematics Subject Classification: 39A30, 37E05, 37N25. %���� We emphasize that the last notion is ubiquitous in the context of ergodic theory: for almost all trajectories with nonzero Lyapunov exponents of a measure-preserving flow, the linear variational equation admits a strong nonuniform exponential dichotomy. The Electronic Journal of Qualitative Theory of Differential Equations is dedicated to the publication of high quality papers in the broad area of ordinary and partial differential equations, integral equations, and functional differential equations. ��0�4�O��Ҁw" ��_�Cv�*��9&o�(Z8�Ŷu\rS�y���*k��-\�������q'��{\I): Coverage. It does not change any results presented in the paper, but excludes the mistake of applying the mean value theorem for a complex-valued function of a real variable. With Open Access, researchers can read and build on the findings of others without restriction. Equ. Special Edition I (2009) Honoring the Career of John Graef on the Occasion of His Sixty-Seventh Birthday. endobj and their applications." One of the important concept in population dynamics is finding conditions under which the population can coexist. |2 DE-600 |a Electronic journal of qualitative theory of differential equations |b EJQTDE |c Bolyai Institute, University of Szeged |h online: 246: 3 _ |2 DE-600 |a Electronic journal of qualitative theory of differential equations: 246: 3 _ |a Qualitative theory of differential equations: 246: 3 _ It is interesting to note that the problems considered in cylindrical domains are not coercive. … Publication type. /PTEX.PageNumber 1 The results show that the origin is an attractor for any set of parameter values. Electronic Journal of Qualitative Theory of Differential Equations [electronic only] Languages: English Publication dates: 1998-2011 Volume count: 14 Number of articles: 449 ISSN: 1417-3875 Volumes We recount the main fields of his scientific activity (stability theory, potential theory, probability theory, shape of planets) concerning stability theory and chaos in details. >> /MediaBox [0 0 595.276 841.89] 60, pp. Research articles are refereed under the same standards as those used by the printed journals. The results are supported with several illustrative examples. In this paper existence and uniqueness results for an abstract measure delay differential equation are proved, by using Leray-Schauder nonlinear alternative, under Carathéodory conditions. %PDF-1.5 Journal of Differential Equations. We study the existence and stability of solutions for a class of nonlinear functional evolution inclusions involving accretive operators. The contact is bilateral and the tangential shear due to the bonding field is included. The overall rank of Electronic Journal of Qualitative Theory of Differential Equations is 9824. ejqtde is the abbreviation for Electronic Journal of Qualitative Theory of Differential Equations 1 0 obj The Journal of Evolution Equations publishes high-quality, peer-reviewed papers on equations dealing with time dependent systems and ranging from abstract theory to concrete applications.. Research articles should contain new and important results. When f grows superlinearly at infinity i.e. 1-9. endobj )�"�3������/V��rߝK�b\��Ԙ�I��y��D� ��F-!�ɼ���8��F1� �"���M�v_�--V6h����x��S�WF 8 ��C��f�$ �@@��n?fՁu;�,���CsD�F^�+4乎#���m_
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$, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y�� C**Y;2;YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY�� �" �� The mean value theorem is not needed. 16 0 obj with the boundary conditions (1.2) /ColorSpace /DeviceRGB << $u_i'(t)=f_i\big(t,u_1(\tau_{i1}(t)),u_2(\tau_{i2}(t))\big) (i=1,2)$ 1 Introduction A basic question in the qualitative theory of dynamical systems is “under what conditions does International Journal of Differential Equations. endobj Equ.,No. (�� 20 0 obj of differential equations (ODE's, PDE's, integral equations, functional differential equations, etc.) 13 0 obj Electronic Journal of Qualitative Theory of Differential Equations' journal/conference profile on Publons, with 20 reviews by 12 reviewers - working with reviewers, publishers, institutions, and funding agencies to turn peer review into a measurable research output. \end{equation*} The presented criteria improve and extend previous results in the literature. In: Electronic journal of qualitative theory of differential equations 25. pp. /Filter /DCTDecode endobj J. Qual. We study the systems in which the coefficient matrices are taken from a given bounded group and the elements of the matrices are from an infinite field with an absolute value. Electronic Journal of Qualitative Theory of Differential Equations . and their applications." In this paper we characterize all traveling wave solutions of the Generalized Korteweg–de Vries–Burgers equation. Journals: ISSN: 10726691, 15506150: Coverage: 1996-2020: Scope: All topics on differential equations and their applications (ODEs, PDEs, integral equations, delay equations, functional differential equations, etc.) (Introduction) EJQTDE also has a mailing list (see details for subscription below). That w as done b y M. Otelbaev [6] who found the conditions of oscillation and nonoscillation Sturm-Liouville's equation. Close. will be considered for publication in Electronic Journal of Differential Equations. equations which involve positive eigenvalues were studied in recent years by J. Henderson, R. Luca, S. K. Ntouyas and I. K. Purnaras, by using the Guo-Krasnosel’skii fixed point theorem. Although essential technical, this extension is not straight forward as we show it below. In addition, in order to prove our main results, some basic and important properties about pseudo almost periodic sequences are presented. 14173875. /Type /XObject Electronic Journal of Qualitative Theory of Differential Equations. The articles published are addressed not only to mathematicians but also to those engineers, physicists, and other scientists for whom differential equations are valuable research tools. /Type /Page It is shown that for these equations infinitely many binary algebraic laws of addition of solutions exist. ISSN / eISSN 1417-3875. The Journal of Differential Equations is concerned with the theory and the application of differential equations. Published in HUNGARY by Electronic Journal of Qualitative Theory of Differential Equations Electronically available from 1998 -, 2003 - View online In this work, we obtain algebraic conditions which assure the Fredholm solvability of an abstract differential equation of elliptic type. /Length 61 Journals. 7
�=���N�#鿂�U~�� 2, 31 p., electronic only (2003; Zbl 1026.34006)]. Proceedings of conferences are also available in the journal. Moreover, we consider both strong and weak admissibility, in the sense that the solutions are respectively of a nonautonomous linear equation defined by a strongly continuous function or of an integral equation obtained from perturbing a general evolution family. In: Electronic journal of qualitative theory of differential equations 28. pp. 2019, No. The polynomial differential systems with n = 1,2,3 are completely characterized. are investigated. << Create lists, bibliographies and reviews: or Search WorldCat. (2010), pp. �� � } !1AQa"q2���#B��R��$3br� 1-12. Electronic Journal of Qualitative Theory of Differential Equations. L(y):=\frac{1}{w(t)}\sum_{k=0}^n (-1)^k \left(r_k(t)y^{(k)}\right)^{(k)},\quad r_n(t)>0\, ,w(t)>0, %\tag{L} It is also shown that there exists a stable nonconstant co-existence state under some appropriate conditions. In this respect, our work can be considered as an extension of Yakubov's results to the case of boundary conditions containing a linear operator. Showing 1 - 20 of 1,532 for search: '"Electronic journal of qualitative theory of differential equations"', query time: 2.20s $4�%�&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz�������������������������������������������������������������������������� ? We study a mathematical problem describing the frictionless adhesive contact between a viscoelastic material with damage and a foundation. (July 1–4, 2015, Szeged, Hungary) 2016, No. Search by keywords: In the field: Search. The Journal of Dynamics and Differential Equations answers the research needs of scholars of dynamical systems. 25 0 obj �.�B�K�����4����:��)����FcR���ݞEw�m�C�9/ʹ�A��1�k�0& �Mp�d������e&�]Lstd�"V �,���,��� The existence of a unique weak solution for the problem is established using arguments of nonlinear evolution equations with monotone operators, a classical existence and uniqueness result for parabolic inequalities, and Banach's fixed point theorem. endobj (�� The results are obtained by using the Krasnoselskii's fixed point theorem and the theory of resolvent operators for integral equations. Dibandingkan dengan Faktor Dampak historis, Faktor Dampak 2019 dari Electronic Journal of Qualitative Theory of Differential Equations tumbuh sebesar 11.54 %. xڽYY��6~�_�G������:���1q���֖�J�H��E2��O Ej�ëԖ�E�F���x;/�^_}y{u��Ա'��&R��'#B��8��#�6����J�펫�o�b�Z�T��4�q���_g%�4w�}�ge�e]���(�r���6(��s���J&��=�B��]1�{��Mݮ~����LDE����B'��S������9�S�&Ƒ|���Riq��OJE2��_�#^ �)!��Λ��ޯ� ��]wh��^�(����~��ݵA�����|�r+�x!�t8���Li���a�*_TY����dw6���q=W}�}u{�;x�SR��b-Ej����>\�8�0 �� �K���X��5���uw�QXą�)(�r{�4�g&l�XLf�4�~H�ؚ������9��z�w/]��ᔜ��_����g�p�������Uh}��g�S$�(F�]ҠKtς/���
���ض����%s6�� ���B,f�oc�PT@���D��`�&v��ۃ�2���P�%r��p�d�3�}�� ��2�PE ��b+��� Open Access stands for unrestricted access and unrestricted reuse. >>>> /Creator (\(ImageMagick\)) /OPM 1 Electronic Journal of Qualitative Theory of Differential Equations Antisymmetric solutions for a class of quasilinear defocusing Schrödinger equations . Besides, the criteria for spreading and vanishing are further established. Survey articles on recent developments are also considered as important contributions to the field. /Filter /FlateDecode 30 0 obj ���� Adobe d �� C Articles are indexed by Math Reviews, Zentralblatt für Mathematik, and Thomson Reuters web of knowledge. The Journal Impact 2019-2020 of Electronic Journal of Qualitative Theory of Differential Equations is 0.870, which is just updated in 2020. Electronic Journal of Differential Equations. Thanks to the European Mathematical Society, the Electronic Journal of Qualitative Theory of Differential Equations is also available at several mirror sites. endobj endobj The adhesion process is modeled by a bonding field on the contact surface. ISSN. A peer-reviewed, open access journal in mathematics, differential equations, qualitative theory, dynamical systems & integral equations. Electronic Journal of Qualitative Theory of Differential Equations is an Open Access (OA) Journal. equation, and in particular we prove it for p = 3. 82, ... [5,8,10] about solutions of differential equations on exterior domains. stream It is published by Szegedi Tudomanyegyetern/University of Szeged. In this paper we consider the differential system (1.1) Keywords: periodic Ricker map, difference equations, global stability. 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