Geodesic
Contact geometry of hyperbolic Monge--Amp\`ere equations
Lobachevskii journal of mathematics, Tome 4 (1999), pp. 109-162.

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This paper is devoted to the geometry of hyperbolic Monge–Ampère equations with large symmetry algebras. We classify all hyperbolic Monge–Ampère equations whose Lie algebra of contact symmetries is transitive. We also give the explicit construction for Cartan connections associated with generic hyperbolic Monge–Ampère equations and find those equations which correspond to connections with vanishing curvature tensor.
Keywords: characteristic distribution, symmetries, homogeneous spaces.
Mots-clés : Contact transformations, Cartan connections 
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     title = {Contact geometry of hyperbolic {Monge--Amp\`ere} equations},
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     url = {http://geodesic.mathdoc.fr/item/LJM_1999_4_a6/}
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O. P. Tchij. Contact geometry of hyperbolic Monge--Amp\`ere equations. Lobachevskii journal of mathematics, Tome 4 (1999), pp. 109-162. http://geodesic.mathdoc.fr/item/LJM_1999_4_a6/