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The Mathematical Analysis of the Incompressible Euler and Navier-Stokes Equations
  • Language: en
  • Pages: 235

The Mathematical Analysis of the Incompressible Euler and Navier-Stokes Equations

The aim of this book is to provide beginning graduate students who completed the first two semesters of graduate-level analysis and PDE courses with a first exposure to the mathematical analysis of the incompressible Euler and Navier-Stokes equations. The book gives a concise introduction to the fundamental results in the well-posedness theory of these PDEs, leaving aside some of the technical challenges presented by bounded domains or by intricate functional spaces. Chapters 1 and 2 cover the fundamentals of the Euler theory: derivation, Eulerian and Lagrangian perspectives, vorticity, special solutions, existence theory for smooth solutions, and blowup criteria. Chapters 3, 4, and 5 cover ...

Transition Threshold for the 3D Couette Flow in a Finite Channel
  • Language: en
  • Pages: 190

Transition Threshold for the 3D Couette Flow in a Finite Channel

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Advances in Mathematical Fluid Mechanics
  • Language: en
  • Pages: 232

Advances in Mathematical Fluid Mechanics

This book consists of six survey contributions that are focused on several open problems of theoretical fluid mechanics both for incompressible and compressible fluids. The first article "Viscous flows in Besov spaces" by M area Cannone ad dresses the problem of global existence of a uniquely defined solution to the three-dimensional Navier-Stokes equations for incompressible fluids. Among others the following topics are intensively treated in this contribution: (i) the systematic description of the spaces of initial conditions for which there exists a unique local (in time) solution or a unique global solution for small data, (ii) the existence of forward self-similar solutions, (iii) the r...

Transport in Transition Regimes
  • Language: en
  • Pages: 303

Transport in Transition Regimes

This volume focuses on modeling processes for which transport is one of the most complicated components, requiring different transport models in each region. The authors apply questions to a wide variety of application areas, such as semiconductors, plasmas, fluids, chemically reactive gases, etc.

Nonlinear Conservation Laws and Applications
  • Language: en
  • Pages: 487

Nonlinear Conservation Laws and Applications

This volume contains the proceedings of the Summer Program on Nonlinear Conservation Laws and Applications held at the IMA on July 13--31, 2009. Hyperbolic conservation laws is a classical subject, which has experienced vigorous growth in recent years. The present collection provides a timely survey of the state of the art in this exciting field, and a comprehensive outlook on open problems. Contributions of more theoretical nature cover the following topics: global existence and uniqueness theory of one-dimensional systems, multidimensional conservation laws in several space variables and approximations of their solutions, mathematical analysis of fluid motion, stability and dynamics of vis...

Partial Differential Equations arising from Physics and Geometry
  • Language: en
  • Pages: 471

Partial Differential Equations arising from Physics and Geometry

Presents the state of the art in PDEs, including the latest research and short courses accessible to graduate students.

Evolution Equations and Their Applications in Physical and Life Sciences
  • Language: en
  • Pages: 530

Evolution Equations and Their Applications in Physical and Life Sciences

  • Type: Book
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  • Published: 2019-04-24
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  • Publisher: CRC Press

This volume presents a collection of lectures on linear partial differntial equations and semigroups, nonlinear equations, stochastic evolutionary processes, and evolution problems from physics, engineering and mathematical biology. The contributions come from the 6th International Conference on Evolution Equations and Their Applications in Physica

Existence of Unimodular Triangulations–Positive Results
  • Language: en
  • Pages: 83

Existence of Unimodular Triangulations–Positive Results

Unimodular triangulations of lattice polytopes arise in algebraic geometry, commutative algebra, integer programming and, of course, combinatorics. In this article, we review several classes of polytopes that do have unimodular triangulations and constructions that preserve their existence. We include, in particular, the first effective proof of the classical result by Knudsen-Mumford-Waterman stating that every lattice polytope has a dilation that admits a unimodular triangulation. Our proof yields an explicit (although doubly exponential) bound for the dilation factor.

Hecke Operators and Systems of Eigenvalues on Siegel Cusp Forms
  • Language: en
  • Pages: 165

Hecke Operators and Systems of Eigenvalues on Siegel Cusp Forms

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Singular Perturbations and Boundary Layers
  • Language: en
  • Pages: 424

Singular Perturbations and Boundary Layers

  • Type: Book
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  • Published: 2018-11-21
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  • Publisher: Springer

Singular perturbations occur when a small coefficient affects the highest order derivatives in a system of partial differential equations. From the physical point of view singular perturbations generate in the system under consideration thin layers located often but not always at the boundary of the domains that are called boundary layers or internal layers if the layer is located inside the domain. Important physical phenomena occur in boundary layers. The most common boundary layers appear in fluid mechanics, e.g., the flow of air around an airfoil or a whole airplane, or the flow of air around a car. Also in many instances in geophysical fluid mechanics, like the interface of air and eart...