Arcoya, David; Bereanu, Cristian; Torres, Pedro J. Lusternik-Schnirelman theory for the action integral of the Lorentz force equation. (English) Zbl 1434.78006 Calc. Var. Partial Differ. Equ. 59, No. 2, Paper No. 50, 32 p. (2020). MSC: 78A35 58E05 83A05 PDF BibTeX XML Cite \textit{D. Arcoya} et al., Calc. Var. Partial Differ. Equ. 59, No. 2, Paper No. 50, 32 p. (2020; Zbl 1434.78006) Full Text: DOI
Gallo, Anna Chiara Periodic solutions of perturbed central Hamiltonian systems. (English) Zbl 1439.34042 NoDEA, Nonlinear Differ. Equ. Appl. 26, No. 5, Paper No. 34, 24 p. (2019). Reviewer: Guglielmo Feltrin (Spilimbergo) MSC: 34C25 37J40 34E10 PDF BibTeX XML Cite \textit{A. C. Gallo}, NoDEA, Nonlinear Differ. Equ. Appl. 26, No. 5, Paper No. 34, 24 p. (2019; Zbl 1439.34042) Full Text: DOI
Taira, Kazuaki Semilinear degenerate elliptic boundary value problems via Morse theory. (English) Zbl 1315.35104 J. Math. Soc. Japan 67, No. 1, 339-382 (2015). Reviewer: Said El Manouni (Berlin) MSC: 35J65 35J20 47H10 58E05 PDF BibTeX XML Cite \textit{K. Taira}, J. Math. Soc. Japan 67, No. 1, 339--382 (2015; Zbl 1315.35104) Full Text: DOI Euclid
Cotón, Carlos Meniño Measurable versions of the LS category on laminations. (English) Zbl 1294.55001 Manuscr. Math. 144, No. 1-2, 135-163 (2014). Reviewer: Zdzisław Dzedzej (Gdansk) MSC: 55M30 37A05 53C12 57R30 PDF BibTeX XML Cite \textit{C. M. Cotón}, Manuscr. Math. 144, No. 1--2, 135--163 (2014; Zbl 1294.55001) Full Text: DOI arXiv
Silva, Analia Multiple solutions for the \(p(x)\)-Laplace operator with critical growth. (English) Zbl 1226.35049 Adv. Nonlinear Stud. 11, No. 1, 63-75 (2011). MSC: 35J92 35J20 35J62 PDF BibTeX XML Cite \textit{A. Silva}, Adv. Nonlinear Stud. 11, No. 1, 63--75 (2011; Zbl 1226.35049) Full Text: DOI
Mawhin, Jean; Willem, Michel Origin and evolution of the Palais-Smale condition in critical point theory. (English) Zbl 1205.58009 J. Fixed Point Theory Appl. 7, No. 2, 265-290 (2010). MSC: 58E05 58-03 01A60 47J30 49J35 PDF BibTeX XML Cite \textit{J. Mawhin} and \textit{M. Willem}, J. Fixed Point Theory Appl. 7, No. 2, 265--290 (2010; Zbl 1205.58009) Full Text: DOI
Beauchemin, N.; Frigon, M. On a notion of category depending on a functional. I: Theory and application to critical point theory. (English) Zbl 1185.58006 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 7-8, 3356-3375 (2010). Reviewer: Vicenţiu D. Rădulescu (Craiova) MSC: 58E05 55M30 PDF BibTeX XML Cite \textit{N. Beauchemin} and \textit{M. Frigon}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 7--8, 3356--3375 (2010; Zbl 1185.58006) Full Text: DOI
de Nápoli, Pablo L.; Fernández Bonder, Julián; Silva, Analía Multiple solutions for the \(p\)-Laplace operator with critical growth. (English) Zbl 1180.35263 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, 6283-6289 (2009). MSC: 35J92 35J20 PDF BibTeX XML Cite \textit{P. L. de Nápoli} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, 6283--6289 (2009; Zbl 1180.35263) Full Text: DOI arXiv
de la Llave, Rafael; Valdinoci, Enrico Multiplicity results for interfaces of Ginzburg-Landau-Allen-Cahn equations in periodic media. (English) Zbl 1152.35038 Adv. Math. 215, No. 1, 379-426 (2007). MSC: 35J60 35B10 35J20 47J30 82C26 PDF BibTeX XML Cite \textit{R. de la Llave} and \textit{E. Valdinoci}, Adv. Math. 215, No. 1, 379--426 (2007; Zbl 1152.35038) Full Text: DOI
Bobylev, N. A.; Korovin, S. K. Topological characteristics of extremals of variational problems. (English) Zbl 0853.58040 J. Math. Sci., New York 78, No. 4, 363-432 (1996). Reviewer: C.S.Sharma (London) MSC: 58E30 58E05 49Q20 PDF BibTeX XML Cite \textit{N. A. Bobylev} and \textit{S. K. Korovin}, J. Math. Sci., New York 78, No. 4, 363--432 (1996; Zbl 0853.58040) Full Text: DOI
Vakhrameev, S. A. Geometrical and topological methods in optimal control theory. (English) Zbl 0846.93016 J. Math. Sci., New York 76, No. 5, 2555-2719 (1995). Reviewer: S.Mirica (Bucureşti) MSC: 93B29 93-02 49K15 PDF BibTeX XML Cite \textit{S. A. Vakhrameev}, J. Math. Sci., New York 76, No. 5, 2555--2719 (1995; Zbl 0846.93016) Full Text: DOI
James, I. M. The Lusternik-Schnirelmann theorem reconsidered. (English) Zbl 0796.57013 Topology Appl. 44, No. 1-3, 197-202 (1992). MSC: 57R70 58E05 55M30 PDF BibTeX XML Cite \textit{I. M. James}, Topology Appl. 44, No. 1--3, 197--202 (1992; Zbl 0796.57013) Full Text: DOI
Ambrosetti, Antonio Critical points and nonlinear variational problems. (English) Zbl 0766.49006 Mém. Soc. Math. Fr., Nouv. Sér. 49, 139 p. (1992). Reviewer: J.F.Bonnans (Le Chesnay) MSC: 49J20 49J15 PDF BibTeX XML Cite \textit{A. Ambrosetti}, Mém. Soc. Math. Fr., Nouv. Sér. 49, 139 p. (1992; Zbl 0766.49006) Full Text: DOI Numdam EuDML
Schechter, Martin A bounded mountain pass lemma without the (PS) condition and applications. (English) Zbl 0757.35026 Trans. Am. Math. Soc. 331, No. 2, 681-703 (1992). Reviewer: E.Barron (Chicago) MSC: 35J65 47J05 58E05 49K27 PDF BibTeX XML Cite \textit{M. Schechter}, Trans. Am. Math. Soc. 331, No. 2, 681--703 (1992; Zbl 0757.35026) Full Text: DOI
Fadell, E.; Husseini, S. Category of loop spaces of open subsets in Euclidean space. (English) Zbl 0756.55008 Nonlinear Anal., Theory Methods Appl. 17, No. 12, 1153-1161 (1991). Reviewer: J.C.Thomas (Villeneuve d’Ascq) MSC: 55M30 PDF BibTeX XML Cite \textit{E. Fadell} and \textit{S. Husseini}, Nonlinear Anal., Theory Methods Appl. 17, No. 12, 1153--1161 (1991; Zbl 0756.55008) Full Text: DOI
Schechter, Martin The mountain pass alternative. (English) Zbl 0736.58012 Adv. Appl. Math. 12, No. 1, 91-105 (1991). Reviewer: T.F.Filippova (Sverdlovsk) MSC: 58E05 90C48 PDF BibTeX XML Cite \textit{M. Schechter}, Adv. Appl. Math. 12, No. 1, 91--105 (1991; Zbl 0736.58012) Full Text: DOI
Degiovanni, Marco Homotopical properties of a class of nonsmooth functions. (English) Zbl 0722.58013 Ann. Mat. Pura Appl., IV. Ser. 156, 37-71 (1990). Reviewer: P.Quittner (Bratislava) MSC: 58E05 58E35 49J40 PDF BibTeX XML Cite \textit{M. Degiovanni}, Ann. Mat. Pura Appl. (4) 156, 37--71 (1990; Zbl 0722.58013) Full Text: DOI
Schechter, Martin The Hampwile theorem for nonlinear eigenvalues. (English) Zbl 0701.47036 Duke Math. J. 59, No. 2, 325-335 (1989). Reviewer: J.Appell MSC: 47J10 58E07 49R50 PDF BibTeX XML Cite \textit{M. Schechter}, Duke Math. J. 59, No. 2, 325--335 (1989; Zbl 0701.47036) Full Text: DOI
Fadell, E.; Husseini, S. A note on the category of the free loop space. (English) Zbl 0676.58019 Proc. Am. Math. Soc. 107, No. 2, 527-536 (1989). MSC: 58E05 55P35 55R20 PDF BibTeX XML Cite \textit{E. Fadell} and \textit{S. Husseini}, Proc. Am. Math. Soc. 107, No. 2, 527--536 (1989; Zbl 0676.58019) Full Text: DOI
Canino, Annamaria On p-convex sets and geodesics. (English) Zbl 0661.34042 J. Differ. Equations 75, No. 1, 118-157 (1988). Reviewer: N.H.Pavel MSC: 34C40 37-XX PDF BibTeX XML Cite \textit{A. Canino}, J. Differ. Equations 75, No. 1, 118--157 (1988; Zbl 0661.34042) Full Text: DOI
Fadell, E.; Husseini, S. Relative cohomological index theories. (English) Zbl 0619.58012 Adv. Math. 64, 1-31 (1987). Reviewer: P.Pucci MSC: 58E05 PDF BibTeX XML Cite \textit{E. Fadell} and \textit{S. Husseini}, Adv. Math. 64, 1--31 (1987; Zbl 0619.58012) Full Text: DOI
Riddell, R. C. Minimax problems on Grassmann manifolds. Sums of eigenvalues. (English) Zbl 0599.58016 Adv. Math. 54, 107-199 (1984). Reviewer: N.Jacob MSC: 58E05 47A10 14M15 35Q99 81S99 PDF BibTeX XML Cite \textit{R. C. Riddell}, Adv. Math. 54, 107--199 (1984; Zbl 0599.58016) Full Text: DOI
Degiovanni, Marco Multiplicity of solutions for the bounce problem. (English) Zbl 0505.34006 J. Differ. Equations 54, 414-428 (1984). MSC: 34A60 PDF BibTeX XML Cite \textit{M. Degiovanni}, J. Differ. Equations 54, 414--428 (1984; Zbl 0505.34006) Full Text: DOI
Struwe, Michael A note on a result of Ambrosetti and Mancini. (English) Zbl 0507.35032 Ann. Mat. Pura Appl., IV. Ser. 131, 107-115 (1982). MSC: 35J65 35B30 35A05 PDF BibTeX XML Cite \textit{M. Struwe}, Ann. Mat. Pura Appl. (4) 131, 107--115 (1982; Zbl 0507.35032) Full Text: DOI
Zaslavskij, A. Ya. Critical points of Lipschitz functions on smooth manifolds. (English) Zbl 0568.58011 Sib. Math. J. 22, 63-68 (1981); translation from Sib. Mat. Zh. 22, No. 1, 87-93 (1981). MSC: 58E05 PDF BibTeX XML Cite \textit{A. Ya. Zaslavskij}, Sib. Math. J. 22, 63--68 (1981; Zbl 0568.58011); translation from Sib. Mat. Zh. 22, No. 1, 87--93 (1981) Full Text: DOI
Zaslavskij, A. Ya. Critical points of Lipschitz functions on smooth manifolds. (English. Russian original) Zbl 0517.57015 Sib. Math. J. 22, 63-68 (1981); translation from Sib. Mat. Zh. 22, No. 1, 87-93 (1981). MSC: 57R70 57N15 55M30 57N70 57R75 PDF BibTeX XML Cite \textit{A. Ya. Zaslavskij}, Sib. Math. J. 22, 63--68 (1981; Zbl 0517.57015); translation from Sib. Mat. Zh. 22, No. 1, 87--93 (1981) Full Text: DOI
Uhlenbeck, K. Morse theory by perturbation methods with applications to harmonic maps. (English) Zbl 0509.58012 Trans. Am. Math. Soc. 267, 569-583 (1981). MSC: 58E05 58E20 53C60 PDF BibTeX XML Cite \textit{K. Uhlenbeck}, Trans. Am. Math. Soc. 267, 569--583 (1981; Zbl 0509.58012) Full Text: DOI
Struwe, Michael Infinitely many solutions of superlinear boundary value problems with rotational symmetry. (English) Zbl 0441.35010 Arch. Math. 36, 360-369 (1981). MSC: 35B05 35J20 35J60 35J65 35B45 PDF BibTeX XML Cite \textit{M. Struwe}, Arch. Math. 36, 360--369 (1981; Zbl 0441.35010) Full Text: DOI
Zeidler, E. The Ljusternik-Schnirelman theory for indefinite and not necessarily odd nonlinear operators and its applications. (English) Zbl 0462.47045 Nonlinear Anal., Theory Methods Appl. 4, 451-489 (1980). MSC: 47J05 35J60 58E05 45N05 PDF BibTeX XML Cite \textit{E. Zeidler}, Nonlinear Anal., Theory Methods Appl. 4, 451--489 (1980; Zbl 0462.47045) Full Text: DOI
Struwe, Michael Infinitely many critical points for functionals which are not even and applications to superlinear boundary value problems. (English) Zbl 0456.35031 Manuscr. Math. 32, 335-364 (1980). MSC: 35J65 35J60 35J20 PDF BibTeX XML Cite \textit{M. Struwe}, Manuscr. Math. 32, 335--364 (1980; Zbl 0456.35031) Full Text: DOI EuDML
Cerami, Giovanna Sull’esistenza di autovalori per un problema al contorno non lineare. (Italian) Zbl 0441.35054 Ann. Mat. Pura Appl., IV. Ser. 124, 161-179 (1980). MSC: 35P25 35J65 PDF BibTeX XML Cite \textit{G. Cerami}, Ann. Mat. Pura Appl. (4) 124, 161--179 (1980; Zbl 0441.35054) Full Text: DOI
Delver, Robert Critical points on closed elliptic affine subspaces. (English) Zbl 0313.58014 Proc. Am. Math. Soc. 51, 385-392 (1975). MSC: 58E15 35J35 47A05 PDF BibTeX XML Cite \textit{R. Delver}, Proc. Am. Math. Soc. 51, 385--392 (1975; Zbl 0313.58014) Full Text: DOI
Gordon, William B. Conservative dynamical systems involving strong forces. (English) Zbl 0276.58005 Trans. Am. Math. Soc. 204, 113-135 (1975). MSC: 37J99 70G45 PDF BibTeX XML Cite \textit{W. B. Gordon}, Trans. Am. Math. Soc. 204, 113--135 (1975; Zbl 0276.58005) Full Text: DOI
Mesirov-Kazdan, Jill P. Calculus of variations: Perturbations preserving condition (C). (English) Zbl 0297.35002 Bull. Am. Math. Soc. 80, 1260-1264 (1974). MSC: 35A15 35G30 58E99 58D15 35B20 PDF BibTeX XML Cite \textit{J. P. Mesirov-Kazdan}, Bull. Am. Math. Soc. 80, 1260--1264 (1974; Zbl 0297.35002) Full Text: DOI
Ambrosetti, Antonio; Rabinowitz, Paul H. Dual variational methods in critical point theory and applications. (English) Zbl 0273.49063 J. Funct. Anal. 14, 349-381 (1973). Reviewer: H. S. P. Grässer MSC: 58E05 35J20 PDF BibTeX XML Cite \textit{A. Ambrosetti} and \textit{P. H. Rabinowitz}, J. Funct. Anal. 14, 349--381 (1973; Zbl 0273.49063) Full Text: DOI
Ambrosetti, Antonio On the existence of multiple solutions for a class of nonlinear boundary value problems. (English) Zbl 0273.35037 Rend. Sem. Mat. Univ. Padova 49, 195-204 (1973). MSC: 35A05 35J15 35J60 PDF BibTeX XML Cite \textit{A. Ambrosetti}, Rend. Semin. Mat. Univ. Padova 49, 195--204 (1973; Zbl 0273.35037) Full Text: Numdam EuDML
Amann, Herbert Ljusternik-Schnirelman theory and non-linear eigenvalue problems. (English) Zbl 0233.47049 Math. Ann. 199, 55-71 (1972). MSC: 47J05 58E15 PDF BibTeX XML Cite \textit{H. Amann}, Math. Ann. 199, 55--71 (1972; Zbl 0233.47049) Full Text: DOI EuDML
Ambrosetti, Antonio Lyusternik-Shnirel’man theory on a bounded manifold in Hilbert space. (Italian) Zbl 0226.58003 Rend. Sem. Mat. Univ. Padova 45, 337-353 (1971). MSC: 58E05 PDF BibTeX XML Cite \textit{A. Ambrosetti}, Rend. Semin. Mat. Univ. Padova 45, 337--353 (1971; Zbl 0226.58003) Full Text: Numdam EuDML
Smale, S. Topology and mechanics. I. (English) Zbl 0202.23201 Invent. Math. 10, 305-331 (1970). Reviewer: Bernd Wegner (Berlin) MSC: 37J15 70F10 70H33 PDF BibTeX XML Cite \textit{S. Smale}, Invent. Math. 10, 305--331 (1970; Zbl 0202.23201) Full Text: DOI EuDML
Berger, M. S. An application of the calculus of variations in the large to the equations of nonlinear elasticity. (English) Zbl 0156.11401 Bull. Am. Math. Soc. 73, 520-525 (1967). PDF BibTeX XML Cite \textit{M. S. Berger}, Bull. Am. Math. Soc. 73, 520--525 (1967; Zbl 0156.11401) Full Text: DOI
Berger, M. S. A Sturm-Liouville theorem for nonlinear elliptic partial differential equations. (English) Zbl 0147.09503 Ann. Sc. Norm. Super. Pisa, Sci. Fis. Mat., III. Ser. 20, 543-582 (1966). PDF BibTeX XML Cite \textit{M. S. Berger}, Ann. Sc. Norm. Super. Pisa, Sci. Fis. Mat., III. Ser. 20, 543--582 (1966; Zbl 0147.09503) Full Text: Numdam EuDML
Browder, F. E. Lusternik-Schnirelman category and nonlinear elliptic eigenvalue problems. (English) Zbl 0136.12003 Bull. Am. Math. Soc. 71, 644-648 (1965). PDF BibTeX XML Cite \textit{F. E. Browder}, Bull. Am. Math. Soc. 71, 644--648 (1965; Zbl 0136.12003) Full Text: DOI