LEADER 05339nam 2200493 450 001 996503552103316 005 20230404054859.0 010 $a981-19-6434-3 035 $a(MiAaPQ)EBC7151632 035 $a(Au-PeEL)EBL7151632 035 $a(CKB)25554171000041 035 $a(EXLCZ)9925554171000041 100 $a20230404d2022 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aQualitative properties of dispersive PDEs /$fVladimir Georgiev, Alessandro Michelangeli, Raffaele Scandone, editors 210 1$aSingapore :$cSpringer,$d[2022] 210 4$d©2022 215 $a1 online resource (246 pages) 225 1 $aSpringer INdAM series ;$vVolume 52 311 08$aPrint version: Georgiev, Vladimir Qualitative Properties of Dispersive PDEs Singapore : Springer,c2023 9789811964336 320 $aIncludes bibliographical references and index. 327 $aIntro -- Preface -- Organization -- Program Chairs -- Contents -- About the Editors -- Part I Long-Time Behavior of NLS-Type Equations -- A Note on Small Data Soliton Selection for Nonlinear Schrödinger Equations with Potential -- 1 Introduction -- 2 The Proof -- 2.1 Estimate of the Continuous Variable ? -- 2.2 Estimate of Discrete Variables -- References -- Dynamics of Solutions to the Gross-Pitaevskii Equation Describing Dipolar Bose-Einstein Condensates -- 1 Introduction -- 1.1 Background -- 1.2 Main Results -- 1.2.1 Dynamics Below the Threshold -- 1.2.2 Dynamics Above the Threshold -- 1.2.3 Dynamics at the Threshold -- 2 Decay for Powers of Riesz Transforms and Virial Arguments -- 2.1 Integral Estimates for R4j -- 2.2 Point-Wise Estimates for R2j -- 2.3 Virial Identities -- 3 Sketch of the Proofs Below the Threshold -- 3.1 Scattering -- 3.2 Blow-up -- 3.3 Grow-up -- 4 Sketch of the Proofs Above the Threshold -- 5 Sketch of the Proofs at the Threshold -- References -- Part II Probabilistic and Nonstandard Methods in the Study of NLS Equations -- Almost Sure Pointwise Convergence of the Cubic Nonlinear Schrödinger Equation on T2 -- 1 Introduction -- 1.1 Notations and Terminology -- 2 Proof of Theorem 1 -- 2.1 Proof of Theorem 1 -- 3 Proof of Proposition 1 -- 3.1 Proof of Proposition 1 -- 4 Proof of Theorem 2 -- 4.1 Proof of Theorem 2 -- 4.2 Proof of Proposition 3 -- References -- Nonlinear Schrödinger Equation with Singularities -- 1 Introduction -- 2 The Colombeau Algebra -- 2.1 Notion of Colombeau Solution -- 2.2 Compatibility -- 3 Existence and Uniqueness of a Singular Solution -- 4 Convergence Properties -- References -- Part III Dispersive Properties -- Schrödinger Flow's Dispersive Estimates in a Regime of Re-scaled Potentials -- 1 Introduction and Background -- 2 A Preliminary Overview of Relevant Spectral Properties. 327 $a3 Dispersive Estimates with -Uniform Bound -- 4 Outlook on Further Scaling Regimes -- References -- Dispersive Estimates for the Dirac-Coulomb Equation -- 1 Introduction -- 1.1 The Setup: Partial Wave Decomposition, Spectral Theory, and the Hankel Transform Method -- 2 Dispersive Estimates -- 2.1 Local Smoothing -- 2.2 Strichartz Estimates with Loss of Angular Derivatives -- 2.3 Open Problems and Related Models -- References -- Heat Equation with Inverse-Square Potential of Bridging Type Across Two Half-Lines -- 1 Introduction: The Bridging-Heat Equation in 1D -- 2 A Concise Review of Geometric Confinement and Transmission Protocols in a Grushin Cylinder -- 3 Related Settings: Grushin Planes and Almost-Riemannian Manifolds -- 4 A Numerical Glance at the Bridging-Heat Evolution -- References -- Part IV Wave- and KdV-Type Equations -- On the Cauchy Problem for Quasi-Linear Hamiltonian KdV-Type Equations -- 1 Introduction -- 2 Paradifferential Calculus -- 3 Paralinearization -- 4 Linear Local Well-Posedness -- 5 Nonlinear Local Well-Posedness -- References -- Quasilinear Wave Equations with Decaying Time-Potential -- 1 Introduction -- 2 Quasilinear Wave Equations -- 2.1 Statement of the Main Results -- 2.2 Proof of Theorem 1 -- 2.3 Proof of Theorem 2 -- 3 Applications -- 4 An Existence Result -- References -- Hamiltonian Field Theory Close to the Wave Equation: From Fermi-Pasta-Ulam to Water Waves -- 1 Introduction -- 2 Outline of the Method and Results -- 2.1 Hamiltonian Field Theory -- 2.2 Results: Informal Presentation -- 3 Abstract Setting: Perturbation Theory in Poisson Systems -- 3.1 Poisson Formalism -- 3.2 Perturbation Theory -- 4 Hamiltonian Field Theory Close to qtt=qxx -- 4.1 Traveling Waves -- 4.2 The Generic Case -- 4.3 The Mechanical Case -- 5 Applications -- 5.1 The Fermi-Pasta-Ulam Problem -- 5.2 Water Waves. 327 $a6 Conclusions and Open Problems -- References -- Author Index. 410 0$aSpringer INdAM series ;$vVolume 52. 606 $aDifferential equations. 606 $aFunctional analysis. 615 0$aDifferential equations. . 615 0$aFunctional analysis. . 676 $a515.35 702 $aMichelangeli$b Alessandro 702 $aScandone$b Raffaele 702 $aGeorgiev$b Vladimir 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a996503552103316 996 $aQualitative properties of dispersive PDEs$93084141 997 $aUNISA