المؤلفون: Liu Chungen, Zhong Yuyou

المصدر: Advances in Nonlinear Analysis, Vol 13, Iss 1, Pp 4862-4867 (2024)

مصطلحات موضوعية: periodic solutions, the least action principle, minimax methods, second-order hamiltonian systems, 34c25, 37j45, 34c52, Analysis, QA299.6-433

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2191-950X

URL الوصول: https://doaj.org/article/2c0d359d8e314d8a9af5d9608e64a460

المؤلفون: Haiyan Lv, Guanwei Chen

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2022, Iss 61, Pp 1-9 (2022)

مصطلحات موضوعية: second order hamiltonian systems, homoclinic orbits, superlinear, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=10033; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/a623c9f40e0b45c49682e66920eec9b2

المؤلفون: Xiao-Feng Ke, Jia-Feng Liao

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2022, Iss 36, Pp 1-12 (2022)

مصطلحات موضوعية: second order hamiltonian systems, periodic solutions, existence, variational method, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=9889; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/f7a8c49969364a39b18c9306e5d25514

المؤلفون: Guanggang Liu

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2021, Iss 27, Pp 1-19 (2021)

مصطلحات موضوعية: second order hamiltonian systems, periodic solutions, morse theory, critical groups, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=8820; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/1399eb33cdce4373b6df4fc479c76490

المؤلفون: Bonanno, Gabriele, Livrea, Roberto, Schechter, Martin

المصدر: Electronic Journal of Qualitative Theory of Differential Equations. 2017(33)

مصطلحات موضوعية: second order Hamiltonian systems, periodic solutions, critical points, Pure Mathematics, Applied Mathematics

وصف الملف: application/pdf

URL الوصول: https://escholarship.org/uc/item/4w00688v

المؤلفون: Mingliang Song

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2020, Iss 49, Pp 1-19 (2020)

مصطلحات موضوعية: subquadratic, operator equations, index theory, critical point, second order hamiltonian systems, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=7893; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/7c0f1f0d204145d19008b8c78cbd4aba

المؤلفون: Sara Barile, Addolorata Salvatore

المصدر: Opuscula Mathematica, Vol 40, Iss 1, Pp 21-36 (2020)

مصطلحات موضوعية: second order hamiltonian systems, homoclinic solutions, variational methods, compact embeddings, Applied mathematics. Quantitative methods, T57-57.97

وصف الملف: electronic resource

Relation: https://www.opuscula.agh.edu.pl/vol40/1/art/opuscula_math_4002.pdf; https://doaj.org/toc/1232-9274

URL الوصول: https://doaj.org/article/db0f3a43c2604d83b0dd0aae2804e10e

المؤلفون: Mingliang Song

المصدر: Boundary Value Problems, Vol 2019, Iss 1, Pp 1-29 (2019)

مصطلحات موضوعية: Generalized periodic boundary value conditions, Index theory, Critical point, Saddle point reduction theorem, The least action principle, Second-order Hamiltonian systems, Analysis, QA299.6-433

وصف الملف: electronic resource

Relation: http://link.springer.com/article/10.1186/s13661-019-1233-x; https://doaj.org/toc/1687-2770

URL الوصول: https://doaj.org/article/8207e24865b54a0bac99efee6e09b123

المؤلفون: Xuefeng Li, Jin Jia

المصدر: Boundary Value Problems, Vol 2018, Iss 1, Pp 1-14 (2018)

مصطلحات موضوعية: Homoclinic solutions, Second-order Hamiltonian systems, Mixed condition, Embedding theorem, Variational methods, Analysis, QA299.6-433

وصف الملف: electronic resource

Relation: http://link.springer.com/article/10.1186/s13661-018-1052-5; https://doaj.org/toc/1687-2770

URL الوصول: https://doaj.org/article/d148c4c068c94d2faedc2a98730c8544

المؤلفون: Chunhua Deng, Dong-Lun Wu

المصدر: Boundary Value Problems, Vol 2018, Iss 1, Pp 1-10 (2018)

مصطلحات موضوعية: Multiple Homoclinic solutions, Perturbed second order Hamiltonian systems, Superquadratic conditions, The (C) condition, Variational methods, Analysis, QA299.6-433

وصف الملف: electronic resource

Relation: http://link.springer.com/article/10.1186/s13661-018-0977-z; https://doaj.org/toc/1687-2770

URL الوصول: https://doaj.org/article/4367291c824d44259bdd1f170a928933

المؤلفون: Dong-Lun Wu, Chun-Lei Tang, Xing-Ping Wu

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2018, Iss 6, Pp 1-18 (2018)

مصطلحات موضوعية: multiple homoclinic solutions, concave--convex nonlinearities, second-order hamiltonian systems, bounded potential, variational methods, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=6023; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/42e55463b26b472e894c95bb7ce352bb

المؤلفون: Gabriele Bonanno, Roberto Livrea, Martin Schechter

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2017, Iss 33, Pp 1-15 (2017)

مصطلحات موضوعية: second order hamiltonian systems, periodic solutions, critical points, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=5401; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/4eb0a4bbb730470bb11f15061bc341e3

المؤلفون: Yiwei Ye

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2015, Iss 43, Pp 1-13 (2015)

مصطلحات موضوعية: second order hamiltonian systems, critical points, variational methods, sobolev's inequality, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=3576; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/671816fc9e5943f0bd2d298c5ac53dd1

المؤلفون: Giuseppina D'Aguì, Roberto Livrea

المصدر: Le Matematiche, Vol 66, Iss 1, Pp 123-132 (2011)

مصطلحات موضوعية: Second order Hamiltonian systems, Eigenvalue problem, Periodic solutions, Critical points, Multiple solutions, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/861; https://doaj.org/toc/0373-3505; https://doaj.org/toc/2037-5298

URL الوصول: https://doaj.org/article/d3922be487324daa871c79b19716d3e6

المؤلفون: Zhang, Xingyong, Tang, Xianhua

المصدر: Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica; Vol 64, No 1 (2010); 93-113 ; 2083-7402 ; 0365-1029

مصطلحات موضوعية: Second-order Hamiltonian systems, p-Laplacian, periodic solution, Sobolev’s inequality, Wirtinger’s inequality, the least action principle

وصف الملف: application/pdf

Relation: https://journals.umcs.pl/a/article/view/3998/2898; https://journals.umcs.pl/a/article/view/3998

الاتاحة: https://journals.umcs.pl/a/article/view/3998
https://doi.org/10.2478/v10062-010-0008-8

المؤلفون: Gabriele Bonanno, Roberto Livrea

المصدر: Electronic Journal of Differential Equations, Vol 2005, Iss 115, Pp 1-13 (2005)

مصطلحات موضوعية: Second order Hamiltonian systems, eigenvalue problem, periodic solutions, critical points, multiple solutions., Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://ejde.math.txstate.edu/Volumes/2005/115/abstr.html; https://doaj.org/toc/1072-6691

URL الوصول: https://doaj.org/article/eec8ba0bd28a4b1faf45554dcf1e9d97

المؤلفون: Yiwei Yeb

المساهمون: The Pennsylvania State University CiteSeerX Archives

المصدر: http://www.maths.soton.ac.uk/EMIS/journals/EJQTDE/p3576.pdf.

مصطلحات موضوعية: second order Hamiltonian systems, critical points, variational methods, Sobolev’s inequality

وصف الملف: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.696.5804; http://www.maths.soton.ac.uk/EMIS/journals/EJQTDE/p3576.pdf

الاتاحة: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.696.5804
http://www.maths.soton.ac.uk/EMIS/journals/EJQTDE/p3576.pdf

المؤلفون: Chen, Xingfan, Guo, Fei

مصطلحات موضوعية: existence, multiplicity, second order Hamiltonian systems, the least action principle, minimax methods

Relation: http://www.boundaryvalueproblems.com/content/2016/1/138

الاتاحة: http://www.boundaryvalueproblems.com/content/2016/1/138

المؤلفون: Wan, Li-Li

مصطلحات موضوعية: homoclinic solutions, second order Hamiltonian systems, local conditions

Relation: http://www.advancesindifferenceequations.com/content/2016/1/25

الاتاحة: http://www.advancesindifferenceequations.com/content/2016/1/25

المؤلفون: Bonanno, Gabriele, Livrea, Roberto

المصدر: Electronic Journal of Differential Equations, 2005, San Marcos, Texas: Texas State University-San Marcos and University of North Texas.

مصطلحات موضوعية: Second order Hamiltonian systems, Eigenvalue problem, Periodic solutions, Critical points, Multiple solutions

وصف الملف: Text; 13 pages; 1 file (.pdf); application/pdf

Relation: Bonanno, G., & Livrea, R. (2005). Periodic solutions for a class of second-order Hamiltonian systems. Electronic Journal of Differential Equations, 2005(115), pp. 1-13.; https://digital.library.txstate.edu/handle/10877/13787

الاتاحة: https://digital.library.txstate.edu/handle/10877/13787