1.

Record Nr.

UNINA9910822706203321

Titolo

Symmetries and related topics in differential and difference equations : Jairo Charris Seminar 2009, Symmetries of Differential and Difference Equations, Escuela de Matemáticas, Universidad Sergio Arboleda, Bogotá, Colombia / / David Blázquez-Sanz, Juan J. Morales-Ruiz, Jesús Rodríguez Lombardero, editors

Pubbl/distr/stampa

Providence, Rhode Island : , : American Mathematical Society

[Bogotá, Colombia] : , : Instituto de Matemáticas y sus Aplicaciones, , [2011]

©2011

ISBN

0-8218-8228-7

Descrizione fisica

1 online resource (178 p.)

Collana

Contemporary mathematics, ; 549 , 0271-4132

Classificazione

35A3034M1517B4535C0570A0537J0522F0535A3053A0439A13

Disciplina

515/.35

Soggetti

Symmetry (Mathematics)

Difference equations

Differential-algebraic equations

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references.

Nota di contenuto

Contents --  Jairo Charris, The mathematician, The seminar --  Preface --  A reduction method for higher order variational equations of Hamiltonian systems --  A survey on integration of parabolic equations by reducing them to the heat equation --  1. Introduction --  2. Reduction by transformation (1.2) --  3. Applications of Theorem 2.1 --  4. Reduction by general equivalence transformation --  References --  Weil jets, Lie correspondences and applications --  Introduction --  1. Jets of submanifolds --  2. Lie correspondences between jet spaces --  3. Prolongations and correspondences. --  4. Characteristics, singular vector fields and correspondences --  5. Symmetries and Lie correspondences --  6. Projections, transversality and the process of reduction by symmetries --  Acknowledgments --  References --  Some applications of summability: An illustrated survey --  The structure of time and inertial forces in Lagrangian mechanics --  Introduction --  0. Notations and definitions --  1. Structure of a second order differential equation relative to a metric --  2. Newton-



Lagrange mechanics of a free system --  3. Constrained systems --  4. The class of time and the calculus of variations --  5. Time constraints --  6. Modification caused by a time constraint in a free system --  7. Linear constraints depending on time --  8. Reference frames and inertial forces --  Acknowledgements. --  References --  Differential invariant algebras --  1. Introduction. --  2. Moving Frames and Differential Invariants. --  3. Equivariant Moving Frames. --  4. Recurrence. --  5. Generating Invariants. --  6. Differential Invariant Algebras of Pseudo-Groups. --  References --  The Stokes phenomenon for linear q-difference equations --  1. Introduction --  2. Some background --  3. Some examples around the q-Euler equation --  References --  Finite Hamiltonian systems on phase space.