Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

 Siegel der Universität Augsburg

 

Oberseminar Differentialgeometrie

 

Dr. Edward Belbruno
Princeton University
 
spricht am
 
Montag, 31. Oktober 2016
 
um
 
16:00 Uhr
 
im
 
Raum 2004 (L1)
 
über das Thema:
 

»The Weak Stability Boundary in Celestial Mechanics: Theory and Applications«

Abstract:
The weak stability boundary is a region, in phase space, about a given mass point for the the n-body problem, n > 2. It is algorithmically defined. This defines a complex region where the particle is weakly captured and close to escape. First defined in 1985, later work in 2004 indicated that this region was associated to a hyperbolic invariant set associated to parabolic motion in the three-body problem. In 2010, results indicated that this region was equivalent to a network of hyperbolic manifolds associated to Lyapunov periodic orbits about Lagrange points. These regions have important applications to spacecraft motion and in astrophysics.

 

Hierzu ergeht herzliche Einladung.
Urs Frauenfelder
 

Kaffee, Tee und Gebäck eine halbe Stunde vor Vortragsbeginn im Raum 2006 (L1).


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