Ergodic Concepts in Stellar Dynamics : Proceedings of an International Workshop Held at Geneva Observatory University of Geneva, Switzerland, 1–3 March 1993. 1st ed. 1994

種類:

電子ブック

責任表示:

edited by V.G. Gurzadyan, D. Pfenniger

出版情報:

Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 1994

著者名:

• Gurzadyan, V.G.
• Pfenniger, D.
• SpringerLink (Online service)

シリーズ名:

Lecture Notes in Physics ; 430

ISBN:

9783540483861 [3540483861]    

注記:

Structural and dynamical forms of elliptical and dwarf galaxies -- Some clues about the dynamics of globular clusters from high-resolution observation -- Diffusion of stellar orbits in the galactic disk -- Ergodic methods in stellar dynamics -- On a notion of weak stability and its relevance for celestial mechanics and molecular dynamics -- Recent developments in the dynamics of nonlinear Hamiltonian systems with many degrees of freedom -- Numerical exploration of the circular billiard with gravity -- Ergodicity and mixing in gravitating systems -- Chaotic itineracy and clustered motion in globally coupled symplectic map system -- Lyapunov analysis of stable chaos in self-gravitating many body systems -- Stability of the modified Konishi-Kaneko system -- Mixing transformations of N particles conserving almost all classical integrals -- Symplectic integration without roundoff error -- Discreteness noise versus force errors in N-body simulations -- Core motions and global chaotic oscillations -- N-body systems:
Advances in the dynamics of stellar systems have been made recently by applying mathematical methods of ergodic theory and chaotic dynamics, by numerous computer simulations, and by observations with the most powerful telescopes. This has led to a considerable change of our view on stellar systems. These systems appear much more chaotic than was previously thought and subject to various instabilities leading to new paths of evolution than previously thought. The implications are fundamental for our views on the evolution of the galaxies and the universe. Such questions are addressed in this book, especially in the 8 review papers by leading experts on various aspects of the N-body problem, explaining at the graduate/postgraduate level the concepts, methods, techniques and results.

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