المؤلفون: Abdul Qadeer Khan, Tania Akhtar, Adil Jhangeer, Muhammad Bilal Riaz

المصدر: AIMS Mathematics, Vol 9, Iss 5, Pp 13006-13027 (2024)

مصطلحات موضوعية: codimension-two bifurcation, strong resonances, numerical simulation, epidemic model, affine transformations, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/67bbf3ec51ce4bff8ecac07801eec932

المؤلفون: A. A. Elsadany, A. M. Yousef, S. A. Ghazwani, A. S. Zaki

المصدر: Computation, Vol 13, Iss 1, p 11 (2025)

مصطلحات موضوعية: population model dynamics, stability analysis, codimension-one bifurcation, codimension-two bifurcation, Electronic computers. Computer science, QA75.5-76.95

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2079-3197/13/1/11; https://doaj.org/toc/2079-3197

URL الوصول: https://doaj.org/article/be1401e358004f2884197c54270bf576

المؤلفون: Haruna Matsushita, Takuji Kousaka, Tomoki Gotoh

المصدر: Nonlinear Theory and Its Applications, IEICE. 2024, 15(1):168

المؤلفون: Xijuan Liu, Peng Liu, Yun Liu

المصدر: AIMS Mathematics, Vol 7, Iss 3, Pp 3360-3378 (2022)

مصطلحات موضوعية: sir epidemic model, two-dimensional parameter space, chaos, codimension-two bifurcation, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/214e9a829ea540b3a66da2bd49f5a5bb

المؤلفون: Mianjian Ruan, Chang Li, Xianyi Li

المصدر: AIMS Mathematics, Vol 7, Iss 2, Pp 3150-3168 (2022)

مصطلحات موضوعية: predator-prey model, holling ⅳ functional response, transcritical bifurcation, 1:1 strong resonance bifurcation, codimension two, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/c43b74c1433a4008a80241bddcc0eacb

المؤلفون: Dongpo Hu, Xuexue Liu, Kun Li, Ming Liu, Xiao Yu

المصدر: Mathematics, Vol 11, Iss 4142, p 4142 (2023)

مصطلحات موضوعية: discrete-time SIR model, codimension-two bifurcation, fold-flip bifurcation, 1:3 resonance, 1:4 resonance, Mathematics, QA1-939

Relation: https://www.mdpi.com/2227-7390/11/19/4142; https://doaj.org/toc/2227-7390; https://doaj.org/article/e961de7468a94b2a9bb973f2f63a3f25

الاتاحة: https://doi.org/10.3390/math11194142
https://doaj.org/article/e961de7468a94b2a9bb973f2f63a3f25

المؤلفون: Joan Artés, Marcos Mota, Alex Rezende

المصدر: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2021, Iss 35, Pp 1-89 (2021)

مصطلحات موضوعية: quadratic differential system, structural stability, codimension two, phase portrait, saddle-node, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=8904; https://doaj.org/toc/1417-3875

URL الوصول: https://doaj.org/article/e49b1f8012264375999d6e72648f63be

المؤلفون: BOSSCHAERT, Maikel, Janssens, Sebastiaan G., Kuznetsov, Yu. A.

المساهمون: Janssens, Sebastiaan G., Kuznetsov, Yu. A., BOSSCHAERT, Maikel

مصطلحات موضوعية: Generalized Hopf (Bautin) bifurcation, fold-Hopf bifurcation, Hopf-Hopf bifurcation, transcritical-Hopf bifurcation, codimension two bifurcation, normal forms, nonhyperbolic cycles, branch switching, delay differential equations, Center Manifold Theorem, adjoint operator semi- groups, sun-star calculus, DDE-BifTool

وصف الملف: application/pdf

Relation: SIAM journal on applied dynamical systems, 19 (1) , p. 252 -303; http://hdl.handle.net/1942/34534; 303; 252; 19; WOS:000545961000009

الاتاحة: http://hdl.handle.net/1942/34534
https://doi.org/10.1137/19M1243993

المؤلفون: Artés Ferragud, Joan Carles, Mota, Marcos Coutinho, Rezende, Alex C.

مصطلحات موضوعية: Quadratic differential systems, Structural stability, Codimension two, Phase portrait, Saddle-node

وصف الملف: application/pdf

Relation: Agencia Estatal de Investigación MTM 2016-77278-P; Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1617; Electronic Journal of Qualitative Theory of Differential Equations; Vol. 2021, Issue 35 (2021), p. 1-89; https://ddd.uab.cat/record/257084; urn:10.14232/ejqtde.2021.1.35; urn:oai:ddd.uab.cat:257084; urn:scopus_id:85104979179; urn:gsduab:5489; urn:oai:egreta.uab.cat:publications/780591c2-4f98-46e0-808c-199ca06f5944

الاتاحة: https://ddd.uab.cat/record/257084

المؤلفون: Xiao, Dongmei, Zhu, Huaiping

المصدر: SIAM Journal on Applied Mathematics, 2006 Feb 01. 66(3), 802-819.

URL الوصول: https://www.jstor.org/stable/4096291

المؤلفون: Champneys, A. R., Fraser, W. B.

المصدر: SIAM Journal on Applied Mathematics, 2004 Sep 01. 65(1), 267-298.

URL الوصول: https://www.jstor.org/stable/4096224

المؤلفون: Atreya, Srinivas, Steen, Paul H.

المصدر: Proceedings: Mathematical, Physical and Engineering Sciences, 2002 Nov 01. 458(2027), 2645-2669.

URL الوصول: https://www.jstor.org/stable/3560025

المؤلفون: Dajczer, Marcos, Florit, Luis

المصدر: Proceedings of the American Mathematical Society, 1999 Jan 01. 127(1), 265-269.

URL الوصول: https://www.jstor.org/stable/118940

المصدر: Transactions of the American Mathematical Society, 1997 Jun 01. 349(6), 2359-2370.

URL الوصول: https://www.jstor.org/stable/2155514

المؤلفون: Howison, S. D., Morgan, J. D., Ockendon, J. R.

المصدر: SIAM Review, 1997 Jun 01. 39(2), 221-253.

URL الوصول: https://www.jstor.org/stable/2133108

المؤلفون: Bosschaert, Maikel M., Janssens, Sebastiaan G., Kuznetsov, Yu A.

المساهمون: Mathematical Modeling, Sub Mathematical Modeling, Sub Analysis begr. 01-01-2014

مصطلحات موضوعية: Codimension two bifurcations, Continuation, Delay differential equations, Dual perturbation theory, Nonhyperbolic cycles, Sun-star calculus, Taverne, Analysis, Modelling and Simulation

وصف الملف: application/pdf

Relation: https://dspace.library.uu.nl/handle/1874/410411

الاتاحة: https://dspace.library.uu.nl/handle/1874/410411

المؤلفون: Ellia P.

المساهمون: Ellia, P.

مصطلحات موضوعية: Codimension two, Global Tjurina number, Plane curve, Quasi complete intersection, Vector bundle

وصف الملف: ELETTRONICO

Relation: info:eu-repo/semantics/altIdentifier/wos/WOS:000488994600023; volume:224; issue:1; firstpage:423; lastpage:431; numberofpages:9; journal:JOURNAL OF PURE AND APPLIED ALGEBRA; http://hdl.handle.net/11392/2416333; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85065405567; https://www.sciencedirect.com/science/article/pii/S002240491930132X; https://arxiv.org/pdf/1901.00809.pdf

الاتاحة: http://hdl.handle.net/11392/2416333
https://doi.org/10.1016/j.jpaa.2019.05.014
https://www.sciencedirect.com/science/article/pii/S002240491930132X
https://arxiv.org/pdf/1901.00809.pdf

المؤلفون: Artés Ferragud, Joan Carles, Oliveira, Regilene, Rezende, Alex C.

مصطلحات موضوعية: Quadratic differential systems, Structural stability, Codimension two, Phase portrait, Saddle-node

وصف الملف: application/pdf

Relation: Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1617; Ministerio de Ciencia e Innovación MTM2016-77278-P; Journal of dynamics and differential equations; vol. 33 (July 2020) p. 1779-1821; https://ddd.uab.cat/record/239771; urn:oai:ddd.uab.cat:239771; urn:gsduab:5444; urn:scopus_id:85088501701; urn:articleid:15729222v33p1779

الاتاحة: https://ddd.uab.cat/record/239771

المؤلفون: Helmer, Martin, Nødland, Bernt Ivar Utstøl

المصدر: Helmer , M & Nødland , B I U 2019 , ' Polar degrees and closest points in codimension two ' , Journal of Algebra and its Applications , vol. 18 , no. 5 , 1950095 . https://doi.org/10.1142/S0219498819500956

مصطلحات موضوعية: algebraic geometry, Chern–Mather class, codimension two, combinatorics, Euclidean distance degree, polar degrees, polytopes, Toric varieties

وصف الملف: application/pdf

الاتاحة: https://curis.ku.dk/portal/da/publications/polar-degrees-and-closest-points-in-codimension-two(1d6dd949-45ed-4fb2-b946-aeef7bb83182).html
https://doi.org/10.1142/S0219498819500956
https://curis.ku.dk/ws/files/225996897/Helmer2019.pdf
http://www.scopus.com/inward/record.url?scp=85048273953&partnerID=8YFLogxK

المؤلفون: Koichi Osaki, Taka-aki Aoki

المصدر: Scientiae Mathematicae Japonicae. 2019, 82(2):155