Liu, Tao; Li, Feng; Liu, Yirong; Li, Shimin; Wang, Jing Bifurcation of limit cycles and center problem for \(p : q\) homogeneous weight systems. (English) Zbl 1418.34070 Nonlinear Anal., Real World Appl. 46, 257-273 (2019). Reviewer: Valery A. Gaiko (Minsk) MSC: 34C05 34C23 34E10 PDFBibTeX XMLCite \textit{T. Liu} et al., Nonlinear Anal., Real World Appl. 46, 257--273 (2019; Zbl 1418.34070) Full Text: DOI
He, Xiumei; Wu, Xian Multiple sign-changing solutions for Kirchhoff-type equations in \(\mathbb{R}^3\). (English) Zbl 1387.35155 Math. Methods Appl. Sci. 41, No. 2, 512-524 (2018). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. He} and \textit{X. Wu}, Math. Methods Appl. Sci. 41, No. 2, 512--524 (2018; Zbl 1387.35155) Full Text: DOI
Li, Quanqing; Teng, Kaimin; Wu, Xian Ground states for Kirchhoff-type equations with critical or supercritical growth. (English) Zbl 1387.35156 Math. Methods Appl. Sci. 40, No. 18, 6732-6746 (2017). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{Q. Li} et al., Math. Methods Appl. Sci. 40, No. 18, 6732--6746 (2017; Zbl 1387.35156) Full Text: DOI
Liu, Hui; Long, Yiming Irrationally elliptic closed characteristics on symmetric compact star-shaped hypersurfaces in \(\mathbf{R}^{4}\). (English) Zbl 1365.58008 J. Fixed Point Theory Appl. 19, No. 1, 263-280 (2017). Reviewer: Teodora-Liliana Rădulescu (Craiova) MSC: 58E05 37J45 34C25 PDFBibTeX XMLCite \textit{H. Liu} and \textit{Y. Long}, J. Fixed Point Theory Appl. 19, No. 1, 263--280 (2017; Zbl 1365.58008) Full Text: DOI
Álvarez, M. J.; Gasull, A.; Prohens, R. Global behaviour of the period function of the sum of two quasi-homogeneous vector fields. (English) Zbl 1369.34046 J. Math. Anal. Appl. 449, No. 2, 1553-1569 (2017). Reviewer: Valery A. Gaiko (Minsk) MSC: 34C05 34C23 PDFBibTeX XMLCite \textit{M. J. Álvarez} et al., J. Math. Anal. Appl. 449, No. 2, 1553--1569 (2017; Zbl 1369.34046) Full Text: DOI Link
Li, Feng; Liu, Yuanyuan Limit cycles in a class of switching system with a degenerate singular point. (English) Zbl 1372.34065 Chaos Solitons Fractals 92, 86-90 (2016). MSC: 34C05 34C07 34A36 PDFBibTeX XMLCite \textit{F. Li} and \textit{Y. Liu}, Chaos Solitons Fractals 92, 86--90 (2016; Zbl 1372.34065) Full Text: DOI
He, Xiumei; Yang, Yunjie The existence of sign-changing solutions for generalized quasilinear Schrödinger equations. (English) Zbl 1359.35029 Far East J. Math. Sci. (FJMS) 99, No. 9, 1283-1295 (2016). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. He} and \textit{Y. Yang}, Far East J. Math. Sci. (FJMS) 99, No. 9, 1283--1295 (2016; Zbl 1359.35029) Full Text: DOI Link
Wu, Xian; Teng, Kaimin Multiple non semi-trivial solutions of systems of Kirchhoff-type equations with discontinuous nonlinearities in \(\mathbb R^N\). (English) Zbl 1334.35030 Math. Methods Appl. Sci. 39, No. 3, 378-393 (2016). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. Wu} and \textit{K. Teng}, Math. Methods Appl. Sci. 39, No. 3, 378--393 (2016; Zbl 1334.35030) Full Text: DOI
Lashkarian, Razie Shafeii; Sharifabad, Dariush Behmardi Monodromy problem for the degenerate critical points. (English) Zbl 1412.34242 Comput. Methods Differ. Equ. 3, No. 1, 1-13 (2015). MSC: 34M35 74H35 34C05 PDFBibTeX XMLCite \textit{R. S. Lashkarian} and \textit{D. B. Sharifabad}, Comput. Methods Differ. Equ. 3, No. 1, 1--13 (2015; Zbl 1412.34242) Full Text: Link
Wu, Xian Multiple solutions for quasilinear Schrödinger equations with a parameter. (English) Zbl 1286.35089 J. Differ. Equations 256, No. 7, 2619-2632 (2014). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. Wu}, J. Differ. Equations 256, No. 7, 2619--2632 (2014; Zbl 1286.35089) Full Text: DOI
Wu, Xian Existence of solutions for elliptic equations with discontinuous nonlinearities strong resonance at infinity. (English) Zbl 1165.35344 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 12, 4441-4450 (2009). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 12, 4441--4450 (2009; Zbl 1165.35344) Full Text: DOI
Wu, Xian A new critical point theorem for locally Lipschitz functionals with applications to differential equations. (English) Zbl 1387.35161 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 3, 624-638 (2007). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 58E30 47H04 PDFBibTeX XMLCite \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 3, 624--638 (2007; Zbl 1387.35161) Full Text: DOI
Xu, Huixu; Huang, Wentao; Zhang, Li Bifurcations of small limit cycles for a class of \(2n+1\) degree polynomial differential system. (Chinese. English summary) Zbl 1121.34320 Pure Appl. Math. 22, No. 4, 549-555 (2006). MSC: 34C07 34C05 34C23 PDFBibTeX XMLCite \textit{H. Xu} et al., Pure Appl. Math. 22, No. 4, 549--555 (2006; Zbl 1121.34320)
Gasull, A.; Mañosa, V.; Mañosas, F. Monodromy and stability of a class of degenerate planar critical points. (English) Zbl 1013.34028 J. Differ. Equations 182, No. 1, 169-190 (2002). Reviewer: P.Smith (Keele) MSC: 34C05 PDFBibTeX XMLCite \textit{A. Gasull} et al., J. Differ. Equations 182, No. 1, 169--190 (2002; Zbl 1013.34028) Full Text: DOI
Reyn, J. W.; Huang, X. Phase portraits of quadratic systems with finite multiplicity three and a degenerate critical point at infinity. (English) Zbl 0896.34022 Rocky Mt. J. Math. 27, No. 3, 929-978 (1997). Reviewer: Ye Yanqian (Nanjing) MSC: 34C05 PDFBibTeX XMLCite \textit{J. W. Reyn} and \textit{X. Huang}, Rocky Mt. J. Math. 27, No. 3, 929--978 (1997; Zbl 0896.34022) Full Text: DOI Link
Li, Shujie; Su, Jiabao Existence of multiple critical points for an asymptotically quadratic functional with applications. (English) Zbl 0938.58013 Abstr. Appl. Anal. 1, No. 3, 277-289 (1996). Reviewer: Thomas J.Bartsch (Gießen) MSC: 58E05 34C25 PDFBibTeX XMLCite \textit{S. Li} and \textit{J. Su}, Abstr. Appl. Anal. 1, No. 3, 277--289 (1996; Zbl 0938.58013) Full Text: DOI EuDML Link
Carbonell, Marc; Llibre, Jaume [Coll, Bartomeu] Limit cycles of polynomial systems with homogeneous non-linearities. (English) Zbl 0678.34029 J. Math. Anal. Appl. 142, No. 2, 573-590 (1989). MSC: 34C05 PDFBibTeX XMLCite \textit{M. Carbonell} and \textit{J. Llibre}, J. Math. Anal. Appl. 142, No. 2, 573--590 (1989; Zbl 0678.34029) Full Text: DOI
Coppel, W. A. Quadratic systems with a degenerate critical point. (English) Zbl 0634.34013 Bull. Aust. Math. Soc. 38, No. 1, 1-10 (1988). MSC: 34C05 37G15 PDFBibTeX XMLCite \textit{W. A. Coppel}, Bull. Aust. Math. Soc. 38, No. 1, 1--10 (1988; Zbl 0634.34013) Full Text: DOI
Zhang, Zhifen About singular points of a polynomial system. (English) Zbl 0651.34024 Boll. Unione Mat. Ital., VI. Ser., C, Anal. Funz. Appl. 5, 367-382 (1986). Reviewer: Michael Sever (Jerusalem) MSC: 34C05 PDFBibTeX XMLCite \textit{Z. Zhang}, Boll. Unione Mat. Ital., VI. Ser., C, Anal. Funz. Appl. 5, 367--382 (1986; Zbl 0651.34024)
Hofer, Helmut; Toland, John Free oscillations of prescribed energy at a saddle point of the potential in Hamiltonian dynamics. (English) Zbl 0592.70020 Delft Prog. Rep. 10, 238-249 (1985). MSC: 70H05 37-XX 34C25 PDFBibTeX XMLCite \textit{H. Hofer} and \textit{J. Toland}, Delft Prog. Rep. 10, 238--249 (1985; Zbl 0592.70020)