Edit Profile (opens in new tab) Portaluri, Alessandro Compute Distance To: Compute Author ID: portaluri.alessandro Published as: Portaluri, Alessandro; Portaluri, A. Documents Indexed: 40 Publications since 2004 1 Contribution as Editor Co-Authors: 29 Co-Authors with 36 Joint Publications 581 Co-Co-Authors all top 5 Co-Authors 5 single-authored 8 Waterstraat, Nils 6 Hu, Xijun 4 Barutello, Vivina L. 3 Paparella, Francesco 3 Piccione, Paolo 3 Wu, Li 3 Yang, Ran 2 Dalbono, Francesca 2 Ferrario, Davide L. 2 Jadanza, Riccardo D. 2 Musso, Monica 2 Offin, Daniel C. 2 Pejsachowicz, Jacobo 1 Abatangelo, Laura 1 Abbondandolo, Alberto 1 Ancona, Fabio 1 Asselle, Luca 1 Cannarsa, Piermarco 1 Capietto, Anna 1 Castelli, Roberto 1 Fenucci, Marco 1 Giambò, Roberto 1 Jones, Christopher K. R. T. 1 Kavle, Henry 1 Marchesi, Giacomo 1 Schwarz, Matthias 1 Tausk, Daniel Victor 1 Terracini, Susanna 1 Xing, Qin all top 5 Serials 6 Journal of Differential Equations 3 Journal of Mathematical Analysis and Applications 3 Nonlinearity 3 Journal of Fixed Point Theory and Applications 2 Mathematische Zeitschrift 2 Differential and Integral Equations 2 Calculus of Variations and Partial Differential Equations 2 NoDEA. Nonlinear Differential Equations and Applications 2 Qualitative Theory of Dynamical Systems 1 Archive for Rational Mechanics and Analysis 1 Advances in Mathematics 1 Functional Analysis and its Applications 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Acta Applicandae Mathematicae 1 Annals of Global Analysis and Geometry 1 Expositiones Mathematicae 1 Topological Methods in Nonlinear Analysis 1 Electronic Journal of Differential Equations (EJDE) 1 Discrete and Continuous Dynamical Systems 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Advanced Nonlinear Studies 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Discrete and Continuous Dynamical Systems. Series S 1 Springer INdAM Series all top 5 Fields 23 Differential geometry (53-XX) 21 Global analysis, analysis on manifolds (58-XX) 17 Dynamical systems and ergodic theory (37-XX) 14 Mechanics of particles and systems (70-XX) 9 Ordinary differential equations (34-XX) 8 Operator theory (47-XX) 7 Partial differential equations (35-XX) 2 Fluid mechanics (76-XX) 1 General and overarching topics; collections (00-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Algebraic topology (55-XX) 1 Manifolds and cell complexes (57-XX) 1 Statistics (62-XX) 1 Numerical analysis (65-XX) 1 Geophysics (86-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 34 Publications have been cited 240 times in 113 Documents Cited by ▼ Year ▼ Spectral flow, Maslov index and bifurcation of semi-Riemannian geodesics. Zbl 1050.58015Piccione, Paolo; Portaluri, Alessandro; Tausk, Daniel V. 23 2004 A Morse index theorem for perturbed geodesics on semi-Riemannian manifolds. Zbl 1101.58012Musso, Monica; Pejsachowicz, Jacobo; Portaluri, Alessandro 23 2005 Morse index and linear stability of the Lagrangian circular orbit in a three-body-type problem via index theory. Zbl 1395.70016Barutello, Vivina; Jadanza, Riccardo D.; Portaluri, Alessandro 19 2016 The homology of path spaces and Floer homology with conormal boundary conditions. Zbl 1171.53344Abbondandolo, Alberto; Portaluri, Alessandro; Schwarz, Matthias 19 2008 Computation of the Maslov index and the spectral flow via partial signatures. Zbl 1039.37006Giambò, Roberto; Piccione, Paolo; Portaluri, Alessandro 16 2004 Index theory for heteroclinic orbits of Hamiltonian systems. Zbl 1390.53089Hu, Xijun; Portaluri, Alessandro 16 2017 Morse index and bifurcation of \(p\)-geodesics on semi Riemannian manifolds. Zbl 1127.58005Musso, Monica; Pejsachowicz, Jacobo; Portaluri, Alessandro 13 2007 Linear instability of relative equilibria for \(n\)-body problems in the plane. Zbl 1291.70028Barutello, Vivina L.; Jadanza, Riccardo D.; Portaluri, Alessandro 12 2014 On the dihedral \(n\)-body problem. Zbl 1138.70007Ferrario, Davide L.; Portaluri, Alessandro 11 2008 A Morse-Smale index theorem for indefinite elliptic systems and bifurcation. Zbl 1310.35111Portaluri, Alessandro; Waterstraat, Nils 10 2015 On bifurcation for semilinear elliptic Dirichlet problems on geodesic balls. Zbl 1318.35017Portaluri, Alessandro; Waterstraat, Nils 9 2014 On bifurcation for semilinear elliptic Dirichlet problems and the Morse-Smale index theorem. Zbl 1310.35121Portaluri, Alessandro; Waterstraat, Nils 8 2013 Morse-Smale index theorems for elliptic boundary deformation problems. Zbl 1245.35020Dalbono, Francesca; Portaluri, Alessandro 7 2012 Bifurcation results for critical points of families of functionals. Zbl 1324.47108Portaluri, Alessandro; Waterstraat, Nils 6 2014 Maslov index for Hamiltonian systems. Zbl 1135.53059Portaluri, Alessandro 6 2008 Bifurcation of heteroclinic orbits via an index theory. Zbl 1474.37053Hu, Xijun; Portaluri, Alessandro 5 2019 Singular dynamics under a weak potential on a sphere. Zbl 1268.70010Castelli, Roberto; Paparella, Francesco; Portaluri, Alessandro 4 2013 A \(K\)-theoretical invariant and bifurcation for homoclinics of Hamiltonian systems. Zbl 1364.37121Portaluri, Alessandro; Waterstraat, Nils 3 2017 Yet another proof of the Morse index theorem. Zbl 1388.58009Portaluri, Alessandro; Waterstraat, Nils 3 2015 A bifurcation result for semi-Riemannian trajectories of the Lorentz force equation. Zbl 1073.58013Piccione, Paolo; Portaluri, Alessandro 3 2005 An index theory for asymptotic motions under singular potentials. Zbl 1473.70021Barutello, Vivina L.; Hu, Xijun; Portaluri, Alessandro; Terracini, Susanna 3 2020 A \(K\)-theoretical invariant and bifurcation for a parameterized family of functionals. Zbl 1215.58008Portaluri, Alessandro 3 2011 Instability of semi-Riemannian closed geodesics. Zbl 1427.58005Hu, Xijun; Portaluri, Alessandro; Yang, Ran 3 2019 On a generalized Sturm theorem. Zbl 1205.34027Portaluri, Alessandro 2 2010 A multiplicity result for a class of strongly indefinite asymptotically linear second order systems. Zbl 1191.34026Capietto, Anna; Dalbono, Francesca; Portaluri, Alessandro 2 2010 A dihedral Bott-type iteration formula and stability of symmetric periodic orbits. Zbl 07169093Hu, Xijun; Portaluri, Alessandro; Yang, Ran 2 2020 Morse theory for a fourth order elliptic equation with exponential nonlinearity. Zbl 1218.35087Abatangelo, Laura; Portaluri, Alessandro 2 2011 Indefinite Sturm theory. Zbl 1188.34042Portaluri, A. 1 2009 Not every conjugate point of a semi-Riemannian geodesic is a bifurcation point. Zbl 1463.58006Marchesi, Giacomo; Portaluri, Alessandro; Waterstraat, Nils 1 2018 Keplerian orbits through the Conley-Zehnder index. Zbl 07302073Kavle, Henry; Offin, Daniel; Portaluri, Alessandro 1 2021 Linear instability for periodic orbits of non-autonomous Lagrangian systems. Zbl 1456.58013Portaluri, Alessandro; Wu, Li; Yang, Ran 1 2021 Dynamics of (\(4+1\))-dihedrally symmetric nearly parallel vortex filaments. Zbl 1254.70028Paparella, Francesco; Portaluri, Alessandro 1 2012 Geometry of stationary solutions for a system of vortex filaments: a dynamical approach. Zbl 1339.70016Paparella, Francesco; Portaluri, Alessandro 1 2013 Corrigendum to: “A Morse-Smale index theorem for indefinite elliptic systems and bifurcation”. Zbl 1472.35154Portaluri, Alessandro; Waterstraat, Nils 1 2018 Keplerian orbits through the Conley-Zehnder index. Zbl 07302073Kavle, Henry; Offin, Daniel; Portaluri, Alessandro 1 2021 Linear instability for periodic orbits of non-autonomous Lagrangian systems. Zbl 1456.58013Portaluri, Alessandro; Wu, Li; Yang, Ran 1 2021 An index theory for asymptotic motions under singular potentials. Zbl 1473.70021Barutello, Vivina L.; Hu, Xijun; Portaluri, Alessandro; Terracini, Susanna 3 2020 A dihedral Bott-type iteration formula and stability of symmetric periodic orbits. Zbl 07169093Hu, Xijun; Portaluri, Alessandro; Yang, Ran 2 2020 Bifurcation of heteroclinic orbits via an index theory. Zbl 1474.37053Hu, Xijun; Portaluri, Alessandro 5 2019 Instability of semi-Riemannian closed geodesics. Zbl 1427.58005Hu, Xijun; Portaluri, Alessandro; Yang, Ran 3 2019 Not every conjugate point of a semi-Riemannian geodesic is a bifurcation point. Zbl 1463.58006Marchesi, Giacomo; Portaluri, Alessandro; Waterstraat, Nils 1 2018 Corrigendum to: “A Morse-Smale index theorem for indefinite elliptic systems and bifurcation”. Zbl 1472.35154Portaluri, Alessandro; Waterstraat, Nils 1 2018 Index theory for heteroclinic orbits of Hamiltonian systems. Zbl 1390.53089Hu, Xijun; Portaluri, Alessandro 16 2017 A \(K\)-theoretical invariant and bifurcation for homoclinics of Hamiltonian systems. Zbl 1364.37121Portaluri, Alessandro; Waterstraat, Nils 3 2017 Morse index and linear stability of the Lagrangian circular orbit in a three-body-type problem via index theory. Zbl 1395.70016Barutello, Vivina; Jadanza, Riccardo D.; Portaluri, Alessandro 19 2016 A Morse-Smale index theorem for indefinite elliptic systems and bifurcation. Zbl 1310.35111Portaluri, Alessandro; Waterstraat, Nils 10 2015 Yet another proof of the Morse index theorem. Zbl 1388.58009Portaluri, Alessandro; Waterstraat, Nils 3 2015 Linear instability of relative equilibria for \(n\)-body problems in the plane. Zbl 1291.70028Barutello, Vivina L.; Jadanza, Riccardo D.; Portaluri, Alessandro 12 2014 On bifurcation for semilinear elliptic Dirichlet problems on geodesic balls. Zbl 1318.35017Portaluri, Alessandro; Waterstraat, Nils 9 2014 Bifurcation results for critical points of families of functionals. Zbl 1324.47108Portaluri, Alessandro; Waterstraat, Nils 6 2014 On bifurcation for semilinear elliptic Dirichlet problems and the Morse-Smale index theorem. Zbl 1310.35121Portaluri, Alessandro; Waterstraat, Nils 8 2013 Singular dynamics under a weak potential on a sphere. Zbl 1268.70010Castelli, Roberto; Paparella, Francesco; Portaluri, Alessandro 4 2013 Geometry of stationary solutions for a system of vortex filaments: a dynamical approach. Zbl 1339.70016Paparella, Francesco; Portaluri, Alessandro 1 2013 Morse-Smale index theorems for elliptic boundary deformation problems. Zbl 1245.35020Dalbono, Francesca; Portaluri, Alessandro 7 2012 Dynamics of (\(4+1\))-dihedrally symmetric nearly parallel vortex filaments. Zbl 1254.70028Paparella, Francesco; Portaluri, Alessandro 1 2012 A \(K\)-theoretical invariant and bifurcation for a parameterized family of functionals. Zbl 1215.58008Portaluri, Alessandro 3 2011 Morse theory for a fourth order elliptic equation with exponential nonlinearity. Zbl 1218.35087Abatangelo, Laura; Portaluri, Alessandro 2 2011 On a generalized Sturm theorem. Zbl 1205.34027Portaluri, Alessandro 2 2010 A multiplicity result for a class of strongly indefinite asymptotically linear second order systems. Zbl 1191.34026Capietto, Anna; Dalbono, Francesca; Portaluri, Alessandro 2 2010 Indefinite Sturm theory. Zbl 1188.34042Portaluri, A. 1 2009 The homology of path spaces and Floer homology with conormal boundary conditions. Zbl 1171.53344Abbondandolo, Alberto; Portaluri, Alessandro; Schwarz, Matthias 19 2008 On the dihedral \(n\)-body problem. Zbl 1138.70007Ferrario, Davide L.; Portaluri, Alessandro 11 2008 Maslov index for Hamiltonian systems. Zbl 1135.53059Portaluri, Alessandro 6 2008 Morse index and bifurcation of \(p\)-geodesics on semi Riemannian manifolds. Zbl 1127.58005Musso, Monica; Pejsachowicz, Jacobo; Portaluri, Alessandro 13 2007 A Morse index theorem for perturbed geodesics on semi-Riemannian manifolds. Zbl 1101.58012Musso, Monica; Pejsachowicz, Jacobo; Portaluri, Alessandro 23 2005 A bifurcation result for semi-Riemannian trajectories of the Lorentz force equation. Zbl 1073.58013Piccione, Paolo; Portaluri, Alessandro 3 2005 Spectral flow, Maslov index and bifurcation of semi-Riemannian geodesics. Zbl 1050.58015Piccione, Paolo; Portaluri, Alessandro; Tausk, Daniel V. 23 2004 Computation of the Maslov index and the spectral flow via partial signatures. Zbl 1039.37006Giambò, Roberto; Piccione, Paolo; Portaluri, Alessandro 16 2004 all cited Publications top 5 cited Publications all top 5 Cited by 116 Authors 27 Portaluri, Alessandro 13 Waterstraat, Nils 12 Hu, Xijun 8 Piccione, Paolo 7 Barutello, Vivina L. 5 Latushkin, Yuri 5 Wu, Li 4 Abbondandolo, Alberto 4 Castelli, Roberto 4 Javaloyes, Miguel Angel 4 Schwarz, Matthias 3 Dalbono, Francesca 3 Kwon, Myeonggi 3 Merry, Will J. 3 Ou, Yuwei 3 Sukhtaiev, Selim 3 Sukhtayev, Alim 3 Terracini, Susanna 3 Xing, Qin 3 Yang, Ran 2 Booss-Bavnbek, Bernhelm 2 Calleja, Renato C. 2 Canneori, Gian Marco 2 Capietto, Anna 2 Cox, Graham 2 Dambrosio, Walter 2 Fenucci, Marco 2 García-Azpeitia, Carlos 2 Gronchi, Giovanni-Federico 2 Jadanza, Riccardo D. 2 Jones, Christopher K. R. T. 2 Kim, Joontae 2 Lu, Guangcun 2 McLachlan, Robert I. 2 Morlando, Fabrizio 2 Offen, Christian 2 Offin, Daniel C. 2 Paparella, Francesco 2 Pejsachowicz, Jacobo 2 Petrov, Miroslav S. 2 Todorov, Todor Dimitrov 2 Yu, Guowei 2 Zhu, Chaofeng 1 Agrachev, Andreĭ Aleksandrovich 1 Andrade, Jaime 1 Asselle, Luca 1 Bae, Hanwool 1 Barrabés, Esther 1 Benevieri, Pierluigi 1 Beschastnyi, Ivan Yu. 1 Biliotti, Leonardo 1 Bilogliadov, Mykhailo 1 Boscaggin, Alberto 1 Candela, Anna Maria 1 Caponio, Erasmo 1 Chang, Xiaojun 1 Chen, Nai-Chia 1 Cors, Josep Maria 1 Crespo, Francisco 1 Deng, Yanxia 1 Doedel, Eusebius J. 1 Eidam, J. C. Corrêa 1 Ekholm, Tobias 1 Exel, Ruy 1 Fujiwara, Toshiaki 1 Fukuda, Hiroshi 1 Fusco, Giorgio 1 Giambò, Roberto 1 Girolimetti, Valentina 1 Gritsans, Armands 1 Hampton, Marshall 1 Hernández-Garduño, Antonio 1 Howard, Peter 1 Izydorek, Marek 1 Jackman, Connor 1 Janczewska, Joanna 1 Kang, Jungsoo 1 Kavle, Henry 1 Kim, Seongchan 1 Lee, Junyoung 1 Lessard, Jean-Philippe 1 Lin, Zhigui 1 Liu, Bowen 1 Long, Yiming 1 Lopes de Lima, Levi 1 Martínez, Y. Paulina 1 Marzuola, Jeremy L. 1 McLean, Mark 1 Meléndez, Josué 1 Mireles-James, Jason D. 1 Misiołek, Gerard 1 Mounoud, Pierre 1 Musso, Monica 1 Negrini, Piero 1 Oancea, Alexandru 1 Ouyang, Tiancheng 1 Ozaki, Hiroshi 1 Paternain, Gabriel Pedro 1 Pinyol, Conxita 1 Pu, Liqiong ...and 16 more Authors all top 5 Cited in 51 Serials 11 Journal of Differential Equations 7 Archive for Rational Mechanics and Analysis 7 Journal of Mathematical Analysis and Applications 7 Calculus of Variations and Partial Differential Equations 6 Nonlinearity 5 Mathematische Zeitschrift 5 Proceedings of the American Mathematical Society 5 Journal of Fixed Point Theory and Applications 4 Discrete and Continuous Dynamical Systems 4 Qualitative Theory of Dynamical Systems 3 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 3 Journal of Topology and Analysis 2 Advances in Mathematics 2 Annals of Global Analysis and Geometry 2 Celestial Mechanics and Dynamical Astronomy 2 Topological Methods in Nonlinear Analysis 2 NoDEA. Nonlinear Differential Equations and Applications 2 Geometry & Topology 1 Communications in Mathematical Physics 1 Communications on Pure and Applied Mathematics 1 Journal d’Analyse Mathématique 1 Applied Mathematics and Computation 1 Functional Analysis and its Applications 1 Geometriae Dedicata 1 Integral Equations and Operator Theory 1 Inventiones Mathematicae 1 Mathematische Annalen 1 Mathematische Nachrichten 1 Memoirs of the American Mathematical Society 1 Transactions of the American Mathematical Society 1 Acta Applicandae Mathematicae 1 Physica D 1 Applied Numerical Mathematics 1 Differential Geometry and its Applications 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Expositiones Mathematicae 1 New Zealand Journal of Mathematics 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Regular and Chaotic Dynamics 1 Acta Mathematica Sinica. English Series 1 Communications in Contemporary Mathematics 1 Journal of Evolution Equations 1 Foundations of Computational Mathematics 1 Discrete and Continuous Dynamical Systems. Series B 1 Advanced Nonlinear Studies 1 Computational Methods and Function Theory 1 Fixed Point Theory and Applications 1 Journal of Physics A: Mathematical and Theoretical 1 International Journal of Differential Equations 1 Arnold Mathematical Journal 1 Electronic Research Archive all top 5 Cited in 21 Fields 54 Differential geometry (53-XX) 49 Dynamical systems and ergodic theory (37-XX) 39 Global analysis, analysis on manifolds (58-XX) 37 Mechanics of particles and systems (70-XX) 21 Ordinary differential equations (34-XX) 21 Partial differential equations (35-XX) 21 Operator theory (47-XX) 5 Manifolds and cell complexes (57-XX) 5 Numerical analysis (65-XX) 3 Algebraic topology (55-XX) 3 Fluid mechanics (76-XX) 2 Functional analysis (46-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 1 Algebraic geometry (14-XX) 1 Associative rings and algebras (16-XX) 1 Category theory; homological algebra (18-XX) 1 \(K\)-theory (19-XX) 1 Potential theory (31-XX) 1 Convex and discrete geometry (52-XX) 1 General topology (54-XX) 1 Biology and other natural sciences (92-XX) Citations by Year