Edit Profile (opens in new tab) Feltrin, Guglielmo Co-Author Distance Author ID: feltrin.guglielmo Published as: Feltrin, Guglielmo Homepage: https://people.uniud.it/page/guglielmo.feltrin External Links: MGP · ORCID · Wikidata · ResearchGate Documents Indexed: 37 Publications since 2015, including 1 Book and 5 Additional arXiv Preprints 1 Contribution as Editor Reviewing Activity: 43 Reviews Co-Authors: 15 Co-Authors with 33 Joint Publications 286 Co-Co-Authors all top 5 Co-Authors 5 single-authored 16 Boscaggin, Alberto 12 Zanolin, Fabio 6 Dambrosio, Walter 5 Sovrano, Elisa 2 Papini, Duccio 2 Sampedro, Juan Carlos 1 Benevieri, Pierluigi 1 Fonda, Alessandro 1 Garrione, Maurizio 1 Gidoni, Paolo 1 López-Gómez, Julián 1 Sfecci, Andrea 1 Tellini, Andrea 1 Terracini, Susanna 1 Troestler, Christophe all top 5 Serials 5 Journal of Differential Equations 3 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Discrete and Continuous Dynamical Systems 2 Communications in Contemporary Mathematics 2 Rendiconti del Seminario Matematico. Universitá e Politecnico di Torino 2 Journal of Fixed Point Theory and Applications 1 Nonlinearity 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Proceedings of the London Mathematical Society. Third Series 1 Transactions of the American Mathematical Society 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 SIAM Journal on Mathematical Analysis 1 Topological Methods in Nonlinear Analysis 1 NoDEA. Nonlinear Differential Equations and Applications 1 Advances in Differential Equations 1 Nonlinear Analysis. Real World Applications 1 Advanced Nonlinear Studies 1 Communications on Pure and Applied Analysis 1 Discrete and Continuous Dynamical Systems. Series S 1 Open Mathematics 1 Frontiers in Mathematics all top 5 Fields 35 Ordinary differential equations (34-XX) 22 Operator theory (47-XX) 7 Dynamical systems and ergodic theory (37-XX) 6 Mechanics of particles and systems (70-XX) 2 Partial differential equations (35-XX) 2 Relativity and gravitational theory (83-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Convex and discrete geometry (52-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 26 Publications have been cited 246 times in 121 Documents Cited by ▼ Year ▼ Multiple positive solutions for a superlinear problem: a topological approach. Zbl 1322.34037 Feltrin, Guglielmo; Zanolin, Fabio 29 2015 Pairs of positive periodic solutions of nonlinear ODEs with indefinite weight: a topological degree approach for the super-sublinear case. Zbl 1360.34088 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 22 2016 Existence of positive solutions in the superlinear case via coincidence degree: the Neumann and the periodic boundary value problems. Zbl 1345.34031 Feltrin, Guglielmo; Zanolin, Fabio 22 2015 Multiplicity of positive periodic solutions in the superlinear indefinite case via coincidence degree. Zbl 1417.34063 Feltrin, Guglielmo; Zanolin, Fabio 20 2017 Positive periodic solutions to an indefinite Minkowski-curvature equation. Zbl 1445.34064 Boscaggin, Alberto; Feltrin, Guglielmo 20 2020 Three positive solutions to an indefinite Neumann problem: a shooting method. Zbl 1388.34015 Feltrin, Guglielmo; Sovrano, Elisa 18 2018 Positive solutions to indefinite problems. A topological approach. Zbl 1426.34002 Feltrin, Guglielmo 16 2018 Positive solutions for super-sublinear indefinite problems: high multiplicity results via coincidence degree. Zbl 1393.34038 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 14 2018 Pairs of positive radial solutions for a Minkowski-curvature Neumann problem with indefinite weight. Zbl 1443.34024 Boscaggin, Alberto; Feltrin, Guglielmo 14 2020 Periodic solutions to parameter-dependent equations with a \(\phi\)-Laplacian type operator. Zbl 1434.34037 Feltrin, Guglielmo; Sovrano, Elisa; Zanolin, Fabio 13 2019 An indefinite nonlinear problem in population dynamics: high multiplicity of positive solutions. Zbl 1400.34035 Feltrin, Guglielmo; Sovrano, Elisa 9 2018 Periodic solutions to a perturbed relativistic Kepler problem. Zbl 1489.34064 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo 9 2021 Positive subharmonic solutions to nonlinear ODEs with indefinite weight. Zbl 1381.34056 Boscaggin, Alberto; Feltrin, Guglielmo 7 2018 An application of coincidence degree theory to cyclic feedback type systems associated with nonlinear differential operators. Zbl 1404.34048 Feltrin, Guglielmo; Zanolin, Fabio 5 2017 Bound sets for a class of \(\varphi \)-Laplacian operators. Zbl 1483.34041 Feltrin, Guglielmo; Zanolin, Fabio 5 2021 Positive subharmonic solutions to superlinear ODEs with indefinite weight. Zbl 1381.34059 Feltrin, Guglielmo 4 2018 Uniqueness of positive solutions for boundary value problems associated with indefinite \(\phi\)-Laplacian-type equations. Zbl 1475.34021 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 4 2021 Parabolic orbits in Celestial Mechanics: a functional-analytic approach. Zbl 1487.37077 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo; Terracini, Susanna 3 2021 Multiplicity of clines for systems of indefinite differential equations arising from a multilocus population genetics model. Zbl 1441.34033 Feltrin, Guglielmo; Gidoni, Paolo 3 2020 A note on a fixed point theorem on topological cylinders. Zbl 1458.47030 Feltrin, Guglielmo 2 2017 High multiplicity and chaos for an indefinite problem arising from genetic models. Zbl 1452.34032 Boscaggin, Alberto; Feltrin, Guglielmo; Sovrano, Elisa 2 2020 Periodic perturbations of central force problems and an application to a restricted 3-body problem. Zbl 07860061 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo 1 2024 Multiple positive solutions of a Sturm-Liouville boundary value problem with conflicting nonlinearities. Zbl 1365.34046 Feltrin, Guglielmo 1 2017 Existence of positive solutions of a superlinear boundary value problem with indefinite weight. Zbl 1336.34042 Feltrin, Guglielmo 1 2015 On the number of positive solutions to an indefinite parameter-dependent Neumann problem. Zbl 1486.34066 Feltrin, Guglielmo; Sovrano, Elisa; Tellini, Andrea 1 2022 Positive solutions for a Minkowski-curvature equation with indefinite weight and super-exponential nonlinearity. Zbl 1519.34022 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 1 2023 Periodic perturbations of central force problems and an application to a restricted 3-body problem. Zbl 07860061 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo 1 2024 Positive solutions for a Minkowski-curvature equation with indefinite weight and super-exponential nonlinearity. Zbl 1519.34022 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 1 2023 On the number of positive solutions to an indefinite parameter-dependent Neumann problem. Zbl 1486.34066 Feltrin, Guglielmo; Sovrano, Elisa; Tellini, Andrea 1 2022 Periodic solutions to a perturbed relativistic Kepler problem. Zbl 1489.34064 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo 9 2021 Bound sets for a class of \(\varphi \)-Laplacian operators. Zbl 1483.34041 Feltrin, Guglielmo; Zanolin, Fabio 5 2021 Uniqueness of positive solutions for boundary value problems associated with indefinite \(\phi\)-Laplacian-type equations. Zbl 1475.34021 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 4 2021 Parabolic orbits in Celestial Mechanics: a functional-analytic approach. Zbl 1487.37077 Boscaggin, Alberto; Dambrosio, Walter; Feltrin, Guglielmo; Terracini, Susanna 3 2021 Positive periodic solutions to an indefinite Minkowski-curvature equation. Zbl 1445.34064 Boscaggin, Alberto; Feltrin, Guglielmo 20 2020 Pairs of positive radial solutions for a Minkowski-curvature Neumann problem with indefinite weight. Zbl 1443.34024 Boscaggin, Alberto; Feltrin, Guglielmo 14 2020 Multiplicity of clines for systems of indefinite differential equations arising from a multilocus population genetics model. Zbl 1441.34033 Feltrin, Guglielmo; Gidoni, Paolo 3 2020 High multiplicity and chaos for an indefinite problem arising from genetic models. Zbl 1452.34032 Boscaggin, Alberto; Feltrin, Guglielmo; Sovrano, Elisa 2 2020 Periodic solutions to parameter-dependent equations with a \(\phi\)-Laplacian type operator. Zbl 1434.34037 Feltrin, Guglielmo; Sovrano, Elisa; Zanolin, Fabio 13 2019 Three positive solutions to an indefinite Neumann problem: a shooting method. Zbl 1388.34015 Feltrin, Guglielmo; Sovrano, Elisa 18 2018 Positive solutions to indefinite problems. A topological approach. Zbl 1426.34002 Feltrin, Guglielmo 16 2018 Positive solutions for super-sublinear indefinite problems: high multiplicity results via coincidence degree. Zbl 1393.34038 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 14 2018 An indefinite nonlinear problem in population dynamics: high multiplicity of positive solutions. Zbl 1400.34035 Feltrin, Guglielmo; Sovrano, Elisa 9 2018 Positive subharmonic solutions to nonlinear ODEs with indefinite weight. Zbl 1381.34056 Boscaggin, Alberto; Feltrin, Guglielmo 7 2018 Positive subharmonic solutions to superlinear ODEs with indefinite weight. Zbl 1381.34059 Feltrin, Guglielmo 4 2018 Multiplicity of positive periodic solutions in the superlinear indefinite case via coincidence degree. Zbl 1417.34063 Feltrin, Guglielmo; Zanolin, Fabio 20 2017 An application of coincidence degree theory to cyclic feedback type systems associated with nonlinear differential operators. Zbl 1404.34048 Feltrin, Guglielmo; Zanolin, Fabio 5 2017 A note on a fixed point theorem on topological cylinders. Zbl 1458.47030 Feltrin, Guglielmo 2 2017 Multiple positive solutions of a Sturm-Liouville boundary value problem with conflicting nonlinearities. Zbl 1365.34046 Feltrin, Guglielmo 1 2017 Pairs of positive periodic solutions of nonlinear ODEs with indefinite weight: a topological degree approach for the super-sublinear case. Zbl 1360.34088 Boscaggin, Alberto; Feltrin, Guglielmo; Zanolin, Fabio 22 2016 Multiple positive solutions for a superlinear problem: a topological approach. Zbl 1322.34037 Feltrin, Guglielmo; Zanolin, Fabio 29 2015 Existence of positive solutions in the superlinear case via coincidence degree: the Neumann and the periodic boundary value problems. Zbl 1345.34031 Feltrin, Guglielmo; Zanolin, Fabio 22 2015 Existence of positive solutions of a superlinear boundary value problem with indefinite weight. Zbl 1336.34042 Feltrin, Guglielmo 1 2015 all cited Publications top 5 cited Publications all top 5 Cited by 143 Authors 22 Feltrin, Guglielmo 18 Boscaggin, Alberto 11 Zanolin, Fabio 9 Ma, Ruyun 8 Sovrano, Elisa 6 Dambrosio, Walter 5 López-Gómez, Julián 5 Yu, Xingchen 4 Garrione, Maurizio 4 Lu, Shiping 4 Tellini, Andrea 4 Zhao, Zhongzi 3 Calamai, Alessandro 3 Chen, Tianlan 3 Fonda, Alessandro 3 Godoy, José 3 Han, Xiaoling 3 He, Zhiqian 3 Miao, Liangying 3 Muñoz-Hernández, Eduardo 3 Nakashima, Kimie 3 Omari, Pierpaolo 3 Papini, Duccio 3 Spadini, Marco 3 Su, Linlin 3 Su, Xiaoxiao 3 Yang, Hujun 3 Zamora, Manuel 2 Cheng, Zhibo 2 Goodrich, Christopher S. 2 Hung, Kuo-Chih 2 Liu, Qihuai 2 Liu, Yuji 2 Obersnel, Franco 2 Pera, Maria Patrizia 2 Zhang, Yali 2 Zima, Mirosława 1 An, Zhuomo 1 Arnaud, Marie-Claude 1 Baldomá, Inmaculada 1 Barutello, Vivina L. 1 Bereanu, Cristian 1 Bo, Xiaomeng 1 Burra, Lakshmi 1 Çayan, Seda 1 Chen, Hongbin 1 Cianciaruso, Filomena 1 Cid, José Ángel 1 Colasuonno, Francesca 1 Cubillos, Pablo Gutiérrez 1 Cuevas, Claudio 1 Cui, Xiaoxiao 1 Dahal, Rajendra 1 Djafri, S. 1 Djebali, Smail 1 Duan, Lei 1 Dupont, Todd F. 1 Eze, Izuchukwu 1 Fencl, Martin 1 Fontich, Ernest 1 García-Azpeitia, Carlos 1 Gheorghiu, Călin Ioan 1 Gidoni, Paolo 1 Hakl, Robert 1 Imaga, Ogbu Famous 1 Infante, Gennaro 1 Iyase, Samuel Azubuike 1 Jebelean, Petru 1 Jena, Mahendra Kumar 1 Jiang, Guirong 1 Jiao, Lishuai 1 Kaloshin, Vadim Yu. 1 Kaufmann, Uriel 1 Kong, Ci 1 Kong, Fanchao 1 Krawcewicz, Wieslaw Z. 1 Liang, Zaitao 1 Liu, Jing 1 Liu, Wenye 1 Liu, Zhen 1 Lu, Yanqiong 1 Lv, Xuezhe 1 Lv, Yanli 1 Malaguti, Luisa 1 Mamo, Natnael Gezahegn 1 Martín, Pau 1 Maurício de Carvalho, João P. S. 1 Mebarki, Karima 1 Miao, Yongwei 1 Milne, Leandro 1 Moussaoui, Toufik 1 Nagylaki, Thomas 1 Noris, Benedetta 1 Pei, Minghe 1 Perrotta, Stefania 1 Pietramala, Paolamaria 1 Polimeni, Davide 1 Precup, Radu 1 Rivetti, Sabrina 1 Rodríguez-López, Jorge ...and 43 more Authors all top 5 Cited in 57 Serials 13 Journal of Differential Equations 7 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 5 Journal of Mathematical Analysis and Applications 5 Discrete and Continuous Dynamical Systems 5 Journal of Fixed Point Theory and Applications 4 Open Mathematics 3 Mathematical Methods in the Applied Sciences 3 Nonlinearity 3 Monatshefte für Mathematik 3 Communications in Nonlinear Science and Numerical Simulation 3 Advanced Nonlinear Studies 3 Boundary Value Problems 3 Journal of Applied Analysis and Computation 2 Rocky Mountain Journal of Mathematics 2 Archiv der Mathematik 2 Journal of Dynamics and Differential Equations 2 Topological Methods in Nonlinear Analysis 2 Calculus of Variations and Partial Differential Equations 2 NoDEA. Nonlinear Differential Equations and Applications 2 Communications in Contemporary Mathematics 2 Qualitative Theory of Dynamical Systems 2 Nonlinear Analysis. Real World Applications 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Communications on Pure and Applied Analysis 2 Discrete and Continuous Dynamical Systems. Series S 2 International Journal of Applied and Computational Mathematics 2 AIMS Mathematics 1 Applicable Analysis 1 Archive for Rational Mechanics and Analysis 1 Journal of Mathematical Biology 1 Journal of Mathematical Physics 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Inventiones Mathematicae 1 Mathematische Nachrichten 1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste 1 Theoretical Population Biology 1 Transactions of the American Mathematical Society 1 Bulletin of the Iranian Mathematical Society 1 Physica D 1 Applied Mathematics Letters 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 1 Electronic Journal of Differential Equations (EJDE) 1 Computational and Applied Mathematics 1 Journal of Difference Equations and Applications 1 Discrete Dynamics in Nature and Society 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 1 Mediterranean Journal of Mathematics 1 Advances in Difference Equations 1 Oberwolfach Reports 1 Tbilisi Mathematical Journal 1 Advances in Pure and Applied Mathematics 1 Journal of Mathematical Research with Applications 1 Fractional Differential Calculus 1 Electronic Research Archive 1 SN Partial Differential Equations and Applications all top 5 Cited in 21 Fields 88 Ordinary differential equations (34-XX) 48 Operator theory (47-XX) 27 Dynamical systems and ergodic theory (37-XX) 21 Partial differential equations (35-XX) 14 Mechanics of particles and systems (70-XX) 10 Biology and other natural sciences (92-XX) 8 Difference and functional equations (39-XX) 6 Global analysis, analysis on manifolds (58-XX) 5 Numerical analysis (65-XX) 3 General topology (54-XX) 2 Integral equations (45-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Relativity and gravitational theory (83-XX) 1 General and overarching topics; collections (00-XX) 1 Real functions (26-XX) 1 Convex and discrete geometry (52-XX) 1 Differential geometry (53-XX) 1 Mechanics of deformable solids (74-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Systems theory; control (93-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.