Feltrin, Guglielmo; Garrione, Maurizio Homoclinic and heteroclinic solutions for non-autonomous Minkowski-curvature equations. (English) Zbl 07784785 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 239, Article ID 113419, 21 p. (2024). MSC: 34C37 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{M. Garrione}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 239, Article ID 113419, 21 p. (2024; Zbl 07784785) Full Text: DOI arXiv
Feltrin, Guglielmo; Sampedro, Juan Carlos; Zanolin, Fabio Periodic solutions to superlinear indefinite planar systems: a topological degree approach. (English) Zbl 1520.34036 J. Differ. Equations 363, 546-581 (2023). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34B18 47H11 PDFBibTeX XMLCite \textit{G. Feltrin} et al., J. Differ. Equations 363, 546--581 (2023; Zbl 1520.34036) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio Positive solutions for a Minkowski-curvature equation with indefinite weight and super-exponential nonlinearity. (English) Zbl 1519.34022 Commun. Contemp. Math. 25, No. 4, Article ID 2250005, 20 p. (2023). Reviewer: Alessandro Fonda (Trieste) MSC: 34B18 34C25 47H11 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Commun. Contemp. Math. 25, No. 4, Article ID 2250005, 20 p. (2023; Zbl 1519.34022) Full Text: DOI arXiv
Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo Bifurcation of closed orbits of Hamiltonian systems with application to geodesics of the Schwarzschild metric. arXiv:2310.02615 Preprint, arXiv:2310.02615 [math.DS] (2023). MSC: 34C25 70H08 70H12 83A05 83C10 BibTeX Cite \textit{A. Boscaggin} et al., ``Bifurcation of closed orbits of Hamiltonian systems with application to geodesics of the Schwarzschild metric'', Preprint, arXiv:2310.02615 [math.DS] (2023) Full Text: arXiv OA License
Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo Prescribed energy periodic solutions of Kepler problems with relativistic corrections. arXiv:2303.00336 Preprint, arXiv:2303.00336 [math.DS] (2023). MSC: 34C25 70H08 70H12 83A05 83C10 BibTeX Cite \textit{A. Boscaggin} et al., ``Prescribed energy periodic solutions of Kepler problems with relativistic corrections'', Preprint, arXiv:2303.00336 [math.DS] (2023) Full Text: arXiv OA License
Feltrin, Guglielmo; Zanolin, Fabio Equilibrium points, periodic solutions and the Brouwer fixed point theorem for convex and non-convex domains. (English) Zbl 1515.34037 J. Fixed Point Theory Appl. 24, No. 4, Paper No. 68, 24 p. (2022). Reviewer: Simeon Reich (Haifa) MSC: 34C05 34C25 34A26 52A20 54H25 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, J. Fixed Point Theory Appl. 24, No. 4, Paper No. 68, 24 p. (2022; Zbl 1515.34037) Full Text: DOI arXiv
Feltrin, Guglielmo; Sovrano, Elisa; Tellini, Andrea On the number of positive solutions to an indefinite parameter-dependent Neumann problem. (English) Zbl 1486.34066 Discrete Contin. Dyn. Syst. 42, No. 1, 21-71 (2022). MSC: 34B18 34B08 34C23 34B09 92D25 PDFBibTeX XMLCite \textit{G. Feltrin} et al., Discrete Contin. Dyn. Syst. 42, No. 1, 21--71 (2022; Zbl 1486.34066) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio Uniqueness of positive solutions for boundary value problems associated with indefinite \(\phi\)-Laplacian-type equations. (English) Zbl 1475.34021 Open Math. 19, 163-183 (2021). MSC: 34B15 34B16 34B18 34C25 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Open Math. 19, 163--183 (2021; Zbl 1475.34021) Full Text: DOI arXiv
Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo; Terracini, Susanna Parabolic orbits in Celestial Mechanics: a functional-analytic approach. (English) Zbl 1487.37077 Proc. Lond. Math. Soc. (3) 123, No. 2, 203-230 (2021). Reviewer: Alain Albouy (Paris) MSC: 37J46 37N05 70F10 70F15 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Proc. Lond. Math. Soc. (3) 123, No. 2, 203--230 (2021; Zbl 1487.37077) Full Text: DOI arXiv
Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo Periodic solutions to a perturbed relativistic Kepler problem. (English) Zbl 1489.34064 SIAM J. Math. Anal. 53, No. 5, 5813-5834 (2021). Reviewer: Xiuli Cen (Zhuhai) MSC: 34C25 34C45 34C23 37J40 70H08 70H12 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., SIAM J. Math. Anal. 53, No. 5, 5813--5834 (2021; Zbl 1489.34064) Full Text: DOI arXiv
Feltrin, Guglielmo; Zanolin, Fabio Bound sets for a class of \(\varphi \)-Laplacian operators. (English) Zbl 1483.34041 J. Differ. Equations 297, 508-535 (2021). Reviewer: Alessandro Fonda (Trieste) MSC: 34B15 34C25 47H11 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, J. Differ. Equations 297, 508--535 (2021; Zbl 1483.34041) Full Text: DOI arXiv
Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo Periodic perturbations of central force problems and an application to a restricted \(3\)-body problem. arXiv:2110.11635 Preprint, arXiv:2110.11635 [math.DS] (2021). MSC: 34C25 70H08 70H12 BibTeX Cite \textit{A. Boscaggin} et al., ``Periodic perturbations of central force problems and an application to a restricted $3$-body problem'', Preprint, arXiv:2110.11635 [math.DS] (2021) Full Text: arXiv OA License
Boscaggin, Alberto; Feltrin, Guglielmo; Sovrano, Elisa High multiplicity and chaos for an indefinite problem arising from genetic models. (English) Zbl 1452.34032 Adv. Nonlinear Stud. 20, No. 3, 675-699 (2020). Reviewer: Bertin Zinsou (Johannesburg) MSC: 34B08 34B18 47N20 34C28 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Adv. Nonlinear Stud. 20, No. 3, 675--699 (2020; Zbl 1452.34032) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo Positive periodic solutions to an indefinite Minkowski-curvature equation. (English) Zbl 1445.34064 J. Differ. Equations 269, No. 7, 5595-5645 (2020). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 47N20 34B09 37C60 PDFBibTeX XMLCite \textit{A. Boscaggin} and \textit{G. Feltrin}, J. Differ. Equations 269, No. 7, 5595--5645 (2020; Zbl 1445.34064) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo Pairs of positive radial solutions for a Minkowski-curvature Neumann problem with indefinite weight. (English) Zbl 1443.34024 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 196, Article ID 111807, 14 p. (2020). Reviewer: George Karakostas (Ioannina) MSC: 34B09 34B18 35B09 35J15 47H11 PDFBibTeX XMLCite \textit{A. Boscaggin} and \textit{G. Feltrin}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 196, Article ID 111807, 14 p. (2020; Zbl 1443.34024) Full Text: DOI arXiv
Feltrin, Guglielmo; Gidoni, Paolo Multiplicity of clines for systems of indefinite differential equations arising from a multilocus population genetics model. (English) Zbl 1441.34033 Nonlinear Anal., Real World Appl. 54, Article ID 103108, 19 p. (2020). Reviewer: Yanqiong Lu (Lanzhou) MSC: 34B09 34B18 47N20 92D10 34B08 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{P. Gidoni}, Nonlinear Anal., Real World Appl. 54, Article ID 103108, 19 p. (2020; Zbl 1441.34033) Full Text: DOI arXiv
Feltrin, Guglielmo; Sovrano, Elisa; Zanolin, Fabio Periodic solutions to parameter-dependent equations with a \(\phi\)-Laplacian type operator. (English) Zbl 1434.34037 NoDEA, Nonlinear Differ. Equ. Appl. 26, No. 5, Paper No. 38, 27 p. (2019). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34B08 47N20 PDFBibTeX XMLCite \textit{G. Feltrin} et al., NoDEA, Nonlinear Differ. Equ. Appl. 26, No. 5, Paper No. 38, 27 p. (2019; Zbl 1434.34037) Full Text: DOI arXiv
Feltrin, Guglielmo Positive solutions to indefinite problems. A topological approach. (English) Zbl 1426.34002 Frontiers in Mathematics. Cham: Birkhäuser (ISBN 978-3-319-94237-7/pbk; 978-3-319-94238-4/ebook). xxix, 304 p. (2018). Reviewer: Gennaro Infante (Arcavata di Rende) MSC: 34-02 34B18 34C25 47N20 PDFBibTeX XMLCite \textit{G. Feltrin}, Positive solutions to indefinite problems. A topological approach. Cham: Birkhäuser (2018; Zbl 1426.34002) Full Text: DOI
Feltrin, Guglielmo; Sovrano, Elisa An indefinite nonlinear problem in population dynamics: high multiplicity of positive solutions. (English) Zbl 1400.34035 Nonlinearity 31, No. 9, 4137-4161 (2018). Reviewer: Andreas Fleige (Dortmund) MSC: 34B18 34B08 34B15 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{E. Sovrano}, Nonlinearity 31, No. 9, 4137--4161 (2018; Zbl 1400.34035) Full Text: DOI arXiv
Feltrin, Guglielmo; Sovrano, Elisa Three positive solutions to an indefinite Neumann problem: a shooting method. (English) Zbl 1388.34015 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 166, 87-101 (2018). Reviewer: Ruyun Ma (Lanzhou) MSC: 34B08 34B15 34B18 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{E. Sovrano}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 166, 87--101 (2018; Zbl 1388.34015) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio Positive solutions for super-sublinear indefinite problems: high multiplicity results via coincidence degree. (English) Zbl 1393.34038 Trans. Am. Math. Soc. 370, No. 2, 791-845 (2018). Reviewer: Gennaro Infante (Arcavata di Rende) MSC: 34B18 34B15 34C25 34C28 47H11 47N20 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Trans. Am. Math. Soc. 370, No. 2, 791--845 (2018; Zbl 1393.34038) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo Positive subharmonic solutions to nonlinear ODEs with indefinite weight. (English) Zbl 1381.34056 Commun. Contemp. Math. 20, No. 1, Article ID 1750021, 26 p. (2018). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34B18 47H11 PDFBibTeX XMLCite \textit{A. Boscaggin} and \textit{G. Feltrin}, Commun. Contemp. Math. 20, No. 1, Article ID 1750021, 26 p. (2018; Zbl 1381.34056) Full Text: DOI arXiv
Feltrin, Guglielmo Positive subharmonic solutions to superlinear ODEs with indefinite weight. (English) Zbl 1381.34059 Discrete Contin. Dyn. Syst., Ser. S 11, No. 2, 257-277 (2018). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34B18 47H11 PDFBibTeX XMLCite \textit{G. Feltrin}, Discrete Contin. Dyn. Syst., Ser. S 11, No. 2, 257--277 (2018; Zbl 1381.34059) Full Text: DOI arXiv
Feltrin, Guglielmo; Zanolin, Fabio An application of coincidence degree theory to cyclic feedback type systems associated with nonlinear differential operators. (English) Zbl 1404.34048 Topol. Methods Nonlinear Anal. 50, No. 2, 683-726 (2017). Reviewer: Anna Capietto (Torino) MSC: 34C25 47H11 47J05 47N20 37C60 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, Topol. Methods Nonlinear Anal. 50, No. 2, 683--726 (2017; Zbl 1404.34048) Full Text: DOI arXiv Euclid
Feltrin, Guglielmo A note on a fixed point theorem on topological cylinders. (English) Zbl 1458.47030 Ann. Mat. Pura Appl. (4) 196, No. 4, 1441-1458 (2017). MSC: 47H10 47H11 PDFBibTeX XMLCite \textit{G. Feltrin}, Ann. Mat. Pura Appl. (4) 196, No. 4, 1441--1458 (2017; Zbl 1458.47030) Full Text: DOI arXiv
Feltrin, Guglielmo Multiple positive solutions of a Sturm-Liouville boundary value problem with conflicting nonlinearities. (English) Zbl 1365.34046 Commun. Pure Appl. Anal. 16, No. 3, 1083-1102 (2017). Reviewer: Wengui Yang (Sanmenxia) MSC: 34B18 34B15 34B24 47N20 PDFBibTeX XMLCite \textit{G. Feltrin}, Commun. Pure Appl. Anal. 16, No. 3, 1083--1102 (2017; Zbl 1365.34046) Full Text: DOI arXiv
Feltrin, Guglielmo; Zanolin, Fabio Multiplicity of positive periodic solutions in the superlinear indefinite case via coincidence degree. (English) Zbl 1417.34063 J. Differ. Equations 262, No. 8, 4255-4291 (2017). Reviewer: Alberto Boscaggin (Collegno) MSC: 34B18 34B15 34C25 47H11 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, J. Differ. Equations 262, No. 8, 4255--4291 (2017; Zbl 1417.34063) Full Text: DOI arXiv
Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio Pairs of positive periodic solutions of nonlinear ODEs with indefinite weight: a topological degree approach for the super-sublinear case. (English) Zbl 1360.34088 Proc. R. Soc. Edinb., Sect. A, Math. 146, No. 3, 449-474 (2016). Reviewer: George Karakostas (Ioannina) MSC: 34C25 34B18 34B15 PDFBibTeX XMLCite \textit{A. Boscaggin} et al., Proc. R. Soc. Edinb., Sect. A, Math. 146, No. 3, 449--474 (2016; Zbl 1360.34088) Full Text: DOI arXiv
Feltrin, Guglielmo Existence of positive solutions of a superlinear boundary value problem with indefinite weight. (English) Zbl 1336.34042 Discrete Contin. Dyn. Syst. 2015, Suppl., 436-445 (2015). MSC: 34B18 34B15 47N20 PDFBibTeX XMLCite \textit{G. Feltrin}, Discrete Contin. Dyn. Syst. 2015, 436--445 (2015; Zbl 1336.34042) Full Text: DOI arXiv
Feltrin, Guglielmo; Zanolin, Fabio Existence of positive solutions in the superlinear case via coincidence degree: the Neumann and the periodic boundary value problems. (English) Zbl 1345.34031 Adv. Differ. Equ. 20, No. 9-10, 937-982 (2015). Reviewer: Jean Mawhin (Louvain-La-Neuve) MSC: 34B18 34B15 34C25 47H11 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, Adv. Differ. Equ. 20, No. 9--10, 937--982 (2015; Zbl 1345.34031) Full Text: arXiv Euclid
Feltrin, Guglielmo; Zanolin, Fabio Multiple positive solutions for a superlinear problem: a topological approach. (English) Zbl 1322.34037 J. Differ. Equations 259, No. 3, 925-963 (2015). Reviewer: Smail Djebali (Algiers) MSC: 34B18 34B15 47N20 PDFBibTeX XMLCite \textit{G. Feltrin} and \textit{F. Zanolin}, J. Differ. Equations 259, No. 3, 925--963 (2015; Zbl 1322.34037) Full Text: DOI arXiv