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k�fr ISSN: 1417-3875. theory of di eren tial equations. Electronic journal of qualitative theory of differential equations . Contact 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. The adhesion process is modeled by a bonding field on the contact surface. In: Electronic journal of qualitative theory of differential equations 20. pp. 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} ejqtde is the abbreviation for Electronic Journal of Qualitative Theory 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. Editors in Chief: T. A. Burton (Southern Illinois University at Carbondale, USA) L. Hatvani (Bolyai Institute, University of Szeged, Hungary) Managing Editor: �� �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+��� Published in HUNGARY by Electronic Journal of Qualitative Theory of Differential Equations Electronically available from 1998 -, 2003 - View online << /S /GoTo /D (section.5) >> /Length 61 (Introduction) << /S /GoTo /D [30 0 R /Fit] >> By Roman Šimon Hilscherb and Stk J Sk J. Abstract. \end{cases} endobj << /Filter /FlateDecode ��9�F��u�?�`[=I����X~I����ճ�uOV�N��l��S֍�=�Zf�@��ZI?4�]A�c-���
P�� �.�B�K�����4����:��)����FcR���ݞEw�m�C�9/ʹ�A��1�k�0& �Mp�d������e&�]Lstd�"V �,���,��� >> << The Journal Impact 2019-2020 of Electronic Journal of Qualitative Theory of Differential Equations is 0.870, which is just updated in 2020. endobj EJQTDE also has a mailing list (see details for subscription below). Electronic Journal of Differential Equations. A peer-reviewed, open access journal in mathematics, differential equations, qualitative theory, dynamical systems & integral equations. 33, 1-13], Corrigendum to the paper: New conditions for the exponential stability of fractionally perturbed ODEs, EJQTDE, No. Electronic Journal of Qualitative Theory of Differential Equations, 2014, No. The Open Access Electronic Journal of Qualitative Theory of Differential Equations is available through World Wide Web and it has a mailing list too. It presents papers on the theory of the dynamics of differential equations (ordinary differential equations, partial differential equations, stochastic differential equations, and functional differential equations) and their discrete analogs. (2010), pp. 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. << endobj Equ.,No. We thank this success to … ISSN / eISSN 1417-3875. (July 1–4, 2015, Szeged, Hungary) 2016, No. Ecological interpretations of all analytical results are provided thoroughly. and their applications." Numerical simulations are given not only to illustrate the theoretical results, but also to exhibit the advection-induced difference between the left and right boundaries as time proceeds. The theory of fractional diﬀerential equations is an important branch of diﬀerential equation theory, which has an extensive physical, chemical, biological, and engineering background, and hence has been emerging as an important area of investigation in the last few decades; see the monographs of Kilbas et al. (Control of chaos) /ModDate (D:20171019084242+02'00') will be considered for publication in Electronic Journal of Differential Equations. >> The Electronic Journal of Qualitative Theory of Differential Equations (EJQTDE) is dedicated to bringing you high quality papers on the qualitative theory of differential equations. ∥); 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. 1–43 (coautori: J. Artes, J. Llibre, A. Rezende, D. Schlomiuk). 1-12. 22, 1–20], Infinitely many solutions for $2k$-th order BVP with parameters, Multiple positive solutions for a nonlinear 2n-th order m-point boundary value problems, A note on a linear spectral theorem for a class of first order systems in ℝ 2N, Criticality of one term 2n-order self-adjoint differential equations, Remark on local boundary regularity condition of suitable weak solutions to the 3D MHD equations, Regularity criteria for the 3D tropical climate model in Morrey–Campanato space, Remark on regularity criteria of a weak solution to the 3D MHD equations, Even Number of Positive Solutions for 3n th Order Three-Point Boundary Value Problems on Time Scales, Asymptotic formulas for a scalar linear delay differential equation Dedicated to Professor Tibor Krisztin on the occasion of his 60th birthday, Special issue: Honoring the career of John Graef on the occasion of his 67th birthday, Universal centers in the cubic trigonometric Abel equation, The number of zeros of Abelian integrals for a perturbation of a hyper-elliptic Hamiltonian system with a nilpotent center and a cuspidal loop, Hardy type unique continuation properties for abstract Schrödinger equations and applications, Global solutions for abstract functional differential equations with nonlocal conditions, Fredholmness of an abstract differential equation of elliptic type, Existence and continuous dependence of mild solutions for fractional abstract differential equations with infinite delay, A system of abstract measure delay differential equations, Periodic orbits for real planar polynomial vector fields of degree n having n invariant straight lines taking into account their multiplicities, Cauchy problems for functional evolution inclusions involving accretive operators, Addendum to: “Alternative analysis generated by a differential equation”, Bilateral contact problem with adhesion and damage, Oscillation and spectral properties of self-adjoint even order differential operators with middle terms, Characterization of domains of self-adjoint ordinary differential operators of any order, even or odd, Strong and weak admissibility of L ∞ spaces, On nonnegative solutions of nonlinear two-point boundary value problems for two-dimensional differential systems with advanced arguments, Oscillation of the second order advanced differential equations, Permanence in N species nonautonomous competitive reaction-diffusion-advection system of Kolmogorov type in heterogeneous environment, On a reaction–diffusion–advection system: Fixed boundary or free boundary, Aleksandr Lyapunov, the man who created the modern theory of stability, Algebraic traveling waves for the modified Korteweg–de-Vries–Burgers equation. Commutative and conjugate commutative groups are given which lead to the conjugate differential equations. Electronic Journal of Qualitative Theory of Differential Equations. endobj endobj << /S /GoTo /D (section.4) >> Homepage. of differential equations (ODE's, PDE's, integral equations, functional differential equations, etc.) Electronic Journal of Qualitative Theory of Differential Equations @inproceedings{JaroB2020ElectronicJO, title={Electronic Journal of Qualitative Theory of Differential Equations}, author={Jaroslav Jaro{\vs}B}, year={2020} } 9 0 obj One of the important consequence of this modification is the existence of separatrix curve which divides the behaviour of the trajectories in the phase plane. /Type /XObject BEmail: iaia@unt.edu In the example provided in Section5, we consider the function F as a discontinuous one. endobj We emphasize that the last notion is ubiquitous in the context $\varphi\big(u_1(0),u_2(0)\big)=0, u_1(t)=u_1(a), u_2(t)=0 for t\geq a,$ For this purpose, we consider a class of DDEs which include a constant discrete delay. << /S /GoTo /D (section.1) >> 【Electronic Journal of Qualitative Theory of Differential Equations】CiteScore Trend Comments from Authors * All review process metrics, such as acceptance rate and review speed, are limited to our user-submitted manuscripts. K|[ml���Põ�(u~���&B%���(HT`�BX!G�<2���n��E%�ա��}�;[\��]8>��o@N��m-�a5 '�u�m0.a�?�\'�J9Y�����yw۔=m >> /Parent 72 0 R The Electronic Journal of Qualitative Theory of Differential Equations (EJQTDE) was founded by T. A. Burton and L. Hatvani in 1998. JohnnyHenderson, Rodica Luca, Positive solutions for systems of second-order integral boundary value problems, Electronic Journal of Qualitative Theory of Differential Equations, 2013, No. 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. Scope. Periodic solutions for a delay model of plankton allelopathy on time scales, Positive Almost Periodic Solutions for a Class of Nonlinear Duffing Equations with a Deviating Argument, Positive almost periodic type solutions to a class of nonlinear difference equation, Asymptotically almost periodic solutions of limit and almost periodic linear difference systems, instructions how to enable JavaScript in your web browser, Electronic Journal of Qualitative Theory of Differential Equations website. 82, ... [5,8,10] about solutions of differential equations on exterior domains. 16 0 obj 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. << /S /GoTo /D (section.7) >> /Length 2769 stream Saved in: Bibliographic Details; Format: Electronic Journal: Language: English: Published: Szeged, Hungary : Electronic Journal of Qualitative Theory of Differential Equations, 1998-Subjects: Differential equations > Periodicals. 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. equation deﬁned by a strongly continuous function or of an integral equation obtained from perturbing a general evolution family. Equ. Oscillation and spectral properties of even order self-adjoint differential operators of the form 2019, No. /Annots [ 62 0 R 63 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R 40 0 R 41 0 R 42 0 R 43 0 R 44 0 R 45 0 R 46 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 58 0 R ] In: Electronic journal of qualitative theory of differential equations 25. pp. \end{equation*}. 2003, Paper No. Honouring his memory, we recall the main events of his life when he was a student, then from the years in Saint Petersburg until 1885, from the Kharkov period, finally from his second period in Saint Petersburg from 1902. We study the existence and non-existence of periodic orbits and limit cycles for planar polynomial differential systems of degree n having n real invariant straight lines taking into account their multiplicities. 29 0 obj Journal provider: Bolyai Institute, University of Szeged ISSN: HU ISSN 1417-3875. 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. \left(r(t)u'(t)\right)'+p(t)u(\sigma(t))=0 Journal of Hyperbolic Differential Equations. 28 0 obj endobj The Electronic Journal of Qualitative Theory of Differential Equations publishes peer-reviewed articles related to "the qualitative theory (stability, periodicity, soundness, etc.) In: Electronic journal of qualitative theory of differential equations 25. pp. endobj 2, 31 p., electronic only (2003; Zbl 1026.34006)]. ��(�� Electronic Journal of Qualitative Theory of Differential Equations Antisymmetric solutions for a class of quasilinear defocusing Schrödinger equations . The unique positive equilibrium point, if it exists, can be either an attractor or a repeller surrounded by a limit cycle, whose stability and uniqueness are also established. Z. Khukhunashvili and V. Z. Khukhunashvili [Electron. /OPM 1 and their applications." Search by keywords: In the field: Search. The Electronic Journal of Qualitative Theory of Differential Equations is an open access journal which means that all content is freely available without charge to the user or his/her institution. 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. International Journal of Differential Equations. Qualitative Theory of Diff. J. Iaia, "Existence and Nonexistence for Semilinear Equations on Exterior Domains," Electronic Journal of Differential Equations, 227 2016 pp. 65 0 obj Electronic Journal of Differential Equations | Citations: 1,397 | Read 128 articles with impact on ResearchGate, the professional network for scientists. 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. In this paper we characterize all traveling wave solutions of the Generalized Korteweg–de Vries–Burgers equation. In this paper, we prove the existence, uniqueness, and continuous dependence of the mild solutions for a class of fractional abstract differential equations with infinite delay. How to publish in this journal. We show a condition on limit periodic and almost periodic systems which ensures, that the considered systems can be transformed into new systems having certain properties. 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. The authors investigate the algebraic structure of the space of solutions to autonomous nonlinear differential equations of certain type. We establish a new technique for deducing oscillation of the second order advanced differential equation ���� Adobe d �� C %���� /Filter /DCTDecode In: Electronic journal of qualitative theory of differential equations … 1 … For a dynamics with continuous time, we consider the notion of a strong exponential dichotomy with respect to a family of norms and we characterize it in terms of the admissibility of bounded solutions. In: Electronic journal of qualitative theory of differential equations 28. pp. Electronic Journal of Qualitative Theory of Differential Equations 2015, No. The new systems possess non-asymptotically almost periodic solutions. >>>> $4�%�&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz�������������������������������������������������������������������������� ? Equ. As a nontrivial application, we establish the robustness of the notions of a strong exponential dichotomy and of a strong nonuniform exponential dichotomy. 4 0 obj Journal Abbreviation: ELECTRON J QUAL THEO Journal ISSN: 1417-3875. This website uses cookies to … Our technique is based on new monotonic properties of nonoscillatory solutions, and iterated exponentiation is employed. 75 0 obj Electronic Journal of Qualitative Theory of Differential Equations is a journal covering the technologies/fields/categories related to Applied Mathematics (Q2). 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. endobj 25 0 obj 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.) 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.) Although essential technical, this extension is not straight forward as we show it below. Proceedings of conferences are also available in the journal. J. Qual. Namely, in [2], the authors give suﬃcient conditions for λ, µ, f and g such that the system of diﬀerential equations (S1) ˆ Journal provider: Bolyai Institute, University of Szeged ISSN: HU ISSN 1417-3875. Equ.,No. \begin{equation*} That w as done b y M. Otelbaev [6] who found the conditions of oscillation and nonoscillation Sturm-Liouville's equation. m|J��QEY�QE QE QE QE QE QE QE QE QE QE T2M���#>�=M%��=��7J�(��>��!�3��,ǫ��vFnNO�?1c�&I;��cޤ�����i%� It is interesting to note that the problems considered in cylindrical domains are not coercive. Survey articles on recent developments are also considered as important contributions to the field. Equ. /Contents 65 0 R Electronic Journal of Qualitative Theory of Differential Equations. /Resources << … Help Home > Authorities > Periodicals > Electronic journal of qualitative theory of differential equations > MARC > Authorities > Periodicals > Electronic journal of qualitative theory of differential equations … Publication type. The mean value theorem is not needed. Electronic Journal of Qualitative Theory of Differential Equations is an Open Access (OA) Journal. J. Qual. (Existence of almost periodic solutions) 84 (2018),1–14, Continuous selections for a class of nonconvex multivalued maps, Studia Math (vol 88, pg 1, 2012), Weighted L-p estimates for the elliptic Schrdinger operator (pg 1, 2014), Corrigendum to "A state-dependent delay equation with chaotic solutions" [Electron. �ʑ�)4&����ڳlh���;I���V(N���QE�!8�Sb� T��ۃ�X��Ǌ�T�'�EUQE QE QE QE QE QE ^��Z[����DY�AV+.��?P{���>��M�*d�"$��n�66�3�C\JwH����U�) �ɦ���I%b�#��&��`F?���SM������Z�QK�}L����QEhjQE V?%��� -P��?��5��I��@���Ԑ�P��Jc#�dN��?ҥ���!�3�ӵKS��]{�QTPQE QE QE QE QE QECV��B};yi�j�����T�� J�$n�ڮ����ZUնg[�V�VVX���O��T7+. 2000 Mathematics Subject Classification: 92D25, 34C25. Therefore long-term coexistence of both populations is possible or they can go to extinction. Electronic Journal of Qualitative Theory of Diﬀerential Equations 2012, No. /ProcSet [ /PDF /ImageC ] 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. (An example) Saved in: Format: Electronic: Language: English: Published: Szeged, Hungary : Electronic Journal of Qualitative Theory of Differential Equations, 1998-Subjects: Differential equations > Periodicals. 14173875. 2. Differential equations, difference equations, and dynamic equations on time scales are used for modeling various problems arising in the engineering and natural sciences. ... (1.6) as an equation of motion for a point u(r) moving in a double-well potential F(u) subject /Width 226 /PTEX.FileName (./tink-eps-converted-to.pdf)
$, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y�� C**Y;2;YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY�� �" �� edited by: P. Eloe and J. Henderson. Theory Differ. �� � w !1AQaq"2�B���� #3R�br� Journals Articles. 5 0 obj 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. 74 0 obj Electronic Journal of Qualitative Theory of Differential Equations 2020, No. The Electronic Journal of Qualitative Theory of Differential Equations is a completely open access journal available online. �l��\d���&ʤޢ*��K+��6������ The existence of two heteroclinic curves is also established. electronic journal of differential equations (ejde) Since its foundation in 1993, this e-journal has been dedicated to the rapid dissemination of high quality research in mathematics. 10th Coll. A connection between the invariant group and the algebraic structure of the solution space are also studied. … In this paper we consider $N$ species nonautonomous competitive reaction-diffusion-advection system of Kolmogorov type in heterogeneous environment. Enter journal title, issn or abbr in this box to search. ��]�+�d�^�U�`H��T�ikg����>�~9�[��z���h)�=���C#.�$�_�qOƟ���O����������@�V� \E0��g
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