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Well-posed Infinite Horizon Variational A. Agrachev

Summary: Well-posed Infinite Horizon Variational
A. Agrachev
March 20, 2010
We give an effective sufficient condition for a variational problem
with infinite horizon on a Riemannian manifold M to admit a smooth
optimal synthesis, i. e. a smooth dynamical system on M whose pos-
itive semi-trajectories are solutions to the problem. To realize the
synthesis we construct a well-projected to M invariant Lagrange sub-
manifold of the extremals' flow in the cotangent bundle T M. The
construction uses the curvature of the flow in the cotangent bundle
and some ideas of hyperbolic dynamics.
1 Introduction
This paper is dedicated to the 100th anniversary of Lev Semenovich Pon-
Let M be a smooth compact n-dimensional Riemannian manifold. Given
0, we denote by
the set of all absolutely continuous curves
: [0, +) M such that the integral


Source: Agrachev, Andrei - Functional Analysis Sector, Scuola Internazionale Superiore di Studi Avanzati (SISSA)


Collections: Engineering; Mathematics