1993, ISBN 2803101114, Volume 3e sér., t. 4., 39

Book

2016, Birkhäuser Advanced Texts Basler Lehrbücher, ISBN 9783319470894

This book provides an up-to-date description of the methods needed to face the existence of solutions to some nonlinear boundary value problems. All important...

Differential equations | Mathematics

Differential equations | Mathematics

Web Resource

2016, Birkhäuser Advanced Texts Basler Lehrbücher, ISBN 9783319470894

Web Resource

Bulletin of the London Mathematical Society, ISSN 0024-6093, 02/2019, Volume 51, Issue 1, pp. 25 - 33

We provide a multiplicity result for critical points of a functional defined on the product of a compact manifold without boundary and a convex set, by...

58E05 (primary) | 34C25 (secondary) | MATHEMATICS | RELATIVE CATEGORY | PERIODIC-SOLUTIONS | VARIATIONAL-METHODS

58E05 (primary) | 34C25 (secondary) | MATHEMATICS | RELATIVE CATEGORY | PERIODIC-SOLUTIONS | VARIATIONAL-METHODS

Journal Article

Nonlinear Analysis, Theory, Methods and Applications, ISSN 0362-546X, 07/2015, Volume 121, pp. 73 - 81

We provide a necessary and sufficient condition for permanence related to a local dynamical system on a suitable topological space. We then present an...

LotkaVolterra | Uniform persistence | Predatorprey | Permanence

LotkaVolterra | Uniform persistence | Predatorprey | Permanence

Journal Article

ARS MATHEMATICA CONTEMPORANEA, ISSN 1855-3966, 2019, Volume 16, Issue 2, pp. 411 - 417

We propose a generalization of the parallelogram identity in any dimension N >= 2, establishing the ratio of the quadratic mean of the diagonals to the...

MATHEMATICS | Parallelogram law | MATHEMATICS, APPLIED | parallelotope

MATHEMATICS | Parallelogram law | MATHEMATICS, APPLIED | parallelotope

Journal Article

Nonlinear Analysis, ISSN 0362-546X, 12/2019, p. 111720

Journal Article

Celestial Mechanics and Dynamical Astronomy, ISSN 0923-2958, 11/2017, Volume 129, Issue 3, pp. 257 - 268

We consider radial periodic perturbations of a central force field and prove the existence of rotating periodic solutions, whose orbits are nearly circular....

34C25 | Astrophysics and Astroparticles | Periodic solutions | Kepler problem | Classical Mechanics | Geophysics/Geodesy | Radially symmetric systems | Dynamical Systems and Ergodic Theory | Aerospace Technology and Astronautics | Physics | SYMMETRIC PERTURBATIONS | CENTRAL FORCE | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | FIELD | ASTRONOMY & ASTROPHYSICS | ORBITS | SYSTEMS | POTENTIALS | MOTIONS | Kepler laws | Orbits | Mathematical models | Astrophysics | Periodic variations | Orbit perturbation

34C25 | Astrophysics and Astroparticles | Periodic solutions | Kepler problem | Classical Mechanics | Geophysics/Geodesy | Radially symmetric systems | Dynamical Systems and Ergodic Theory | Aerospace Technology and Astronautics | Physics | SYMMETRIC PERTURBATIONS | CENTRAL FORCE | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | FIELD | ASTRONOMY & ASTROPHYSICS | ORBITS | SYSTEMS | POTENTIALS | MOTIONS | Kepler laws | Orbits | Mathematical models | Astrophysics | Periodic variations | Orbit perturbation

Journal Article

2004, 1st ed., Handbook of Differential Equations: Ordinary Differential Equations, ISBN 0444520279, 753

This handbook is the third volume in a series of volumes devoted to self contained and up-to-date surveys in the tehory of ordinary differential equations,...

Differential equations | Mathematics | Handbooks, manuals, etc | Differential equations, Elliptic | Differential equations, Partial

Differential equations | Mathematics | Handbooks, manuals, etc | Differential equations, Elliptic | Differential equations, Partial

eBook

2004, 1st ed., Handbook of Differential Equations: Stationary Partial Differential Equations, ISBN 9780444528483, Volume 2, 609

A collection of self contained, state-of-the-art surveys. The authors have made an effort to achieve readability for mathematicians and scientists from other...

Differential equations

Differential equations

eBook

Nonlinear Analysis, ISSN 0362-546X, 01/2017, Volume 149, pp. 146 - 155

We investigate the possibility of extending a classical multiplicity result by Fabry, Mawhin and Nkashama to a periodic problem of Ambrosetti–Prodi type having...

Lower and upper solutions | Singularities | Rotating solutions | Periodic solutions | Multiplicity results | MATHEMATICS | MATHEMATICS, APPLIED | PERTURBATIONS | MULTIPLICITY RESULT | EQUATIONS | ORBITS | SYSTEMS

Lower and upper solutions | Singularities | Rotating solutions | Periodic solutions | Multiplicity results | MATHEMATICS | MATHEMATICS, APPLIED | PERTURBATIONS | MULTIPLICITY RESULT | EQUATIONS | ORBITS | SYSTEMS

Journal Article

Journal of Differential Equations, ISSN 0022-0396, 02/2016, Volume 260, Issue 3, pp. 2150 - 2162

By the use of a higher dimensional version of the Poincaré–Birkhoff theorem, we are able to generalize a result of Jacobowitz and Hartman , thus proving the...

Superlinear systems | Periodic solutions | Poincaré–Birkhoff theorem | Poincaré-Birkhoff theorem | EXISTENCE | MATHEMATICS | THEOREM | HAMILTONIAN-SYSTEMS | DIFFERENTIAL-EQUATION | Poincare-Birkhoff theorem

Superlinear systems | Periodic solutions | Poincaré–Birkhoff theorem | Poincaré-Birkhoff theorem | EXISTENCE | MATHEMATICS | THEOREM | HAMILTONIAN-SYSTEMS | DIFFERENTIAL-EQUATION | Poincare-Birkhoff theorem

Journal Article

Journal of Differential Equations, ISSN 0022-0396, 01/2017, Volume 262, Issue 2, pp. 1064 - 1084

We provide a geometric assumption which unifies and generalizes the conditions proposed in , so to obtain a higher dimensional version of the Poincaré–Birkhoff...

Hamiltonian systems | Poincaré–Birkhoff Theorem | Avoiding cones condition | Periodic solutions | MATHEMATICS | PERIODIC-SOLUTIONS | CRITICAL-POINT THEORY | Poincare-Birkhoff Theorem | HAMILTONIAN-SYSTEMS | RELATIVE CATEGORY | STRONGLY INDEFINITE FUNCTIONALS

Hamiltonian systems | Poincaré–Birkhoff Theorem | Avoiding cones condition | Periodic solutions | MATHEMATICS | PERIODIC-SOLUTIONS | CRITICAL-POINT THEORY | Poincare-Birkhoff Theorem | HAMILTONIAN-SYSTEMS | RELATIVE CATEGORY | STRONGLY INDEFINITE FUNCTIONALS

Journal Article

Proceedings of the American Mathematical Society, ISSN 0002-9939, 04/2012, Volume 140, Issue 4, pp. 1331 - 1341

The classical Newton equation for the motion of a body in a gravitational central field is here modified in order to include periodic central forces. We prove...

Integers | Periodic orbits | Mathematical theorems | Topological theorems | Differential equations | Angular momentum | Newtonianism | Mathematical constants | Mathematical functions | Mathematics | Nonlinear dynamics | Periodic solutions | Newton's equation | MATHEMATICS | MATHEMATICS, APPLIED | FORCE | DYNAMICAL-SYSTEMS | SINGULARITIES | ORBITS | nonlinear dynamics

Integers | Periodic orbits | Mathematical theorems | Topological theorems | Differential equations | Angular momentum | Newtonianism | Mathematical constants | Mathematical functions | Mathematics | Nonlinear dynamics | Periodic solutions | Newton's equation | MATHEMATICS | MATHEMATICS, APPLIED | FORCE | DYNAMICAL-SYSTEMS | SINGULARITIES | ORBITS | nonlinear dynamics

Journal Article

15.
Existence and uniqueness of solutions for semilinear equations involving anti-selfadjoint operators

Portugaliae Mathematica, ISSN 0032-5155, 2014, Volume 71, Issue 3-4, pp. 183 - 192

We consider the problem of the existence and uniqueness of solutions to a semilinear equation in a Hilbert space, of the type Lu = Nu, where the linear...

Transport equation | Nonresonance | Semilinear equations | Periodic solutions | MATHEMATICS | CONSERVATIVE-SYSTEMS | PERIODIC-SOLUTIONS | HILBERT-SPACES | MATHEMATICS, APPLIED | SOLVABILITY | periodic solutions | transport equation | nonresonance

Transport equation | Nonresonance | Semilinear equations | Periodic solutions | MATHEMATICS | CONSERVATIVE-SYSTEMS | PERIODIC-SOLUTIONS | HILBERT-SPACES | MATHEMATICS, APPLIED | SOLVABILITY | periodic solutions | transport equation | nonresonance

Journal Article

Progress in Oceanography, ISSN 0079-6611, 11/2018, Volume 168, pp. 210 - 221

Submarine canyons are large geomorphological features that incise continental margins and act as highly dynamic conduits of sediments from shallow to the...

Mesopelagic and bathypelagic realms | Exoenzymatic activities | 18S rRNA gene | Submarine canyon | 16S rRNA gene | Dissolved inorganic carbon fixation | MATTER | BACTERIA | WATER MASSES | MARGIN | ARCHAEA | ORGANIC-CARBON | OCEANOGRAPHY | DEEP-SEA | DYNAMICS | DIVERSITY | ROSS SEA | Submarine boats | RNA | Lipase | Analysis

Mesopelagic and bathypelagic realms | Exoenzymatic activities | 18S rRNA gene | Submarine canyon | 16S rRNA gene | Dissolved inorganic carbon fixation | MATTER | BACTERIA | WATER MASSES | MARGIN | ARCHAEA | ORGANIC-CARBON | OCEANOGRAPHY | DEEP-SEA | DYNAMICS | DIVERSITY | ROSS SEA | Submarine boats | RNA | Lipase | Analysis

Journal Article

Annales de l'Institut Henri Poincaré / Analyse non linéaire, ISSN 0294-1449, 05/2017, Volume 34, Issue 3, pp. 679 - 698

We propose an extension to higher dimensions of the Poincaré–Birkhoff Theorem which applies to Poincaré time-maps of Hamiltonian systems. Examples of...

Hamiltonian systems | Periodic solutions | Poincaré–Birkhoff | PERIODIC-SOLUTIONS | MATHEMATICS, APPLIED | Poincare-Birkhoff | GEOMETRIC THEOREM | MULTIPLICITY | EQUATIONS | SYSTEMS | PROOF | FIXED-POINT THEOREM | FUNCTIONALS

Hamiltonian systems | Periodic solutions | Poincaré–Birkhoff | PERIODIC-SOLUTIONS | MATHEMATICS, APPLIED | Poincare-Birkhoff | GEOMETRIC THEOREM | MULTIPLICITY | EQUATIONS | SYSTEMS | PROOF | FIXED-POINT THEOREM | FUNCTIONALS

Journal Article

Discrete and Continuous Dynamical Systems- Series A, ISSN 1078-0947, 03/2017, Volume 37, Issue 3, pp. 1425 - 1436

We consider a nonautonomous Hamiltonian system, T-periodic in time, possibly defined on a bounded space region, the boundary of which consists of singularity...

Poincarë-Birkhö theorem | Hamiltonian systems | Rotation number | Singularities | Periodic solutions | MATHEMATICS | MATHEMATICS, APPLIED | singularities | rotation number | EQUATIONS | Poincare-Birkhoff theorem

Poincarë-Birkhö theorem | Hamiltonian systems | Rotation number | Singularities | Periodic solutions | MATHEMATICS | MATHEMATICS, APPLIED | singularities | rotation number | EQUATIONS | Poincare-Birkhoff theorem

Journal Article

19.
Full Text
Huge metastable axial strain in ultrathin heteroepitaxial vertically aligned nanowires

纳米研究：英文版, ISSN 1998-0124, 2015, Volume 8, Issue 6, pp. 1964 - 1974

Strain engineering is a powerful tool to tailor the physical properties of materials coherently stacked in an epitaxial heterostructure. Such an approach,...

垂直排列 | 超小直径 | 纳米复合材料 | 异质结构材料 | 金属纳米线 | 轴向应变 | Frenkel-Kontorova模型 | 超薄 | Condensed Matter Physics | strain | Biotechnology | self-assembly | nanowires | Materials Science, general | heteroepitaxy | Atomic/Molecular Structure and Spectra | Material Science | Nanotechnology | Biomedicine general | PHYSICS, APPLIED | MATERIALS SCIENCE, MULTIDISCIPLINARY | GROWTH | NANOCOMPOSITE THIN-FILMS | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | NANOSTRUCTURES | ANISOTROPY | Transition metal compounds | Epitaxy | Analysis | Resveratrol | Alignment | Tools | Nanostructure | Nanowires | Devices | Axial strain | Strain | Physics

垂直排列 | 超小直径 | 纳米复合材料 | 异质结构材料 | 金属纳米线 | 轴向应变 | Frenkel-Kontorova模型 | 超薄 | Condensed Matter Physics | strain | Biotechnology | self-assembly | nanowires | Materials Science, general | heteroepitaxy | Atomic/Molecular Structure and Spectra | Material Science | Nanotechnology | Biomedicine general | PHYSICS, APPLIED | MATERIALS SCIENCE, MULTIDISCIPLINARY | GROWTH | NANOCOMPOSITE THIN-FILMS | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | NANOSTRUCTURES | ANISOTROPY | Transition metal compounds | Epitaxy | Analysis | Resveratrol | Alignment | Tools | Nanostructure | Nanowires | Devices | Axial strain | Strain | Physics

Journal Article

Journal of Differential Equations, ISSN 0022-0396, 06/2018, Volume 264, Issue 12, pp. 7055 - 7068

We consider periodic perturbations of a central force field having a rotational symmetry, and prove the existence of nearly circular periodic orbits. We thus...

Rotational symmetric systems | Periodic solutions | Kepler problem | MATHEMATICS

Rotational symmetric systems | Periodic solutions | Kepler problem | MATHEMATICS

Journal Article

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