Calamai, Alessandro; Pera, Maria Patrizia; Spadini, Marco Branches of forced oscillations induced by a delayed periodic force. (English) Zbl 1412.70025 Adv. Nonlinear Stud. 19, No. 1, 149-163 (2019). MSC: 70K40 34K13 34C25 37N05 PDFBibTeX XMLCite \textit{A. Calamai} et al., Adv. Nonlinear Stud. 19, No. 1, 149--163 (2019; Zbl 1412.70025) Full Text: DOI Link
Calamai, Alessandro; Pera, Maria Patrizia; Spadini, Marco Multiplicity of forced oscillations for the spherical pendulum acted on by a retarded periodic force. (English) Zbl 1381.34087 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 151, 252-264 (2017). Reviewer: Anatoli F. Ivanov (Lehman) MSC: 34K13 70K40 PDFBibTeX XMLCite \textit{A. Calamai} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 151, 252--264 (2017; Zbl 1381.34087) Full Text: DOI
Bisconti, Luca; Spadini, Marco About the notion of non-\(T\)-resonance and applications to topological multiplicity results for ODEs on differentiable manifolds. (English) Zbl 1342.34058 Math. Methods Appl. Sci. 38, No. 18, 4760-4773 (2015). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34C40 34C23 PDFBibTeX XMLCite \textit{L. Bisconti} and \textit{M. Spadini}, Math. Methods Appl. Sci. 38, No. 18, 4760--4773 (2015; Zbl 1342.34058) Full Text: DOI arXiv
Calamai, Alessandro; Spadini, Marco Periodic perturbations of constrained motion problems on a class of implicitly defined manifolds. (English) Zbl 1320.34070 Commun. Contemp. Math. 17, No. 2, Article ID 1450027, 19 p. (2015). Reviewer: Werner M. Seiler (Kassel) MSC: 34C40 34A09 34C25 PDFBibTeX XMLCite \textit{A. Calamai} and \textit{M. Spadini}, Commun. Contemp. Math. 17, No. 2, Article ID 1450027, 19 p. (2015; Zbl 1320.34070) Full Text: DOI arXiv
Calamai, Alessandro; Spadini, Marco Branches of forced oscillations for a class of constrained ODEs: a topological approach. (English) Zbl 1259.34030 NoDEA, Nonlinear Differ. Equ. Appl. 19, No. 4, 383-399 (2012). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34C40 34A09 47N20 PDFBibTeX XMLCite \textit{A. Calamai} and \textit{M. Spadini}, NoDEA, Nonlinear Differ. Equ. Appl. 19, No. 4, 383--399 (2012; Zbl 1259.34030) Full Text: DOI arXiv
Spadini, Marco A note on topological methods for a class of differential-algebraic equations. (English) Zbl 1237.34009 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 4, 1065-1076 (2010). MSC: 34A09 34C25 34C40 47N20 PDFBibTeX XMLCite \textit{M. Spadini}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 4, 1065--1076 (2010; Zbl 1237.34009) Full Text: DOI arXiv