Geodesic
An Eulerian numerical method for geometric optics
Jean-David Benamou1
1 INRIA-Rocquencourt B.P. 105 F-78153 Le Chesnay Cedex, France
ESAIM. Proceedings, Tome 11 (2002), pp. 13-40.

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The classical description for geometric optics is Lagrangian. It is possible to switch to an Eulerian representation but, in presence of caustics, the full Lagrangian solution cannot be computed using a Eulerian method. We present the mathematical background of the problem and several numerical tools developed to overcome this limitation.
DOI : 10.1051/proc:2002028

Jean-David Benamou 1

1 INRIA-Rocquencourt B.P. 105 F-78153 Le Chesnay Cedex, France 
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Jean-David Benamou. An Eulerian numerical method for geometric optics. ESAIM. Proceedings, Tome 11 (2002), pp. 13-40. doi : 10.1051/proc:2002028. http://geodesic.mathdoc.fr/articles/10.1051/proc:2002028/

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