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The eikonal equation, envelopes and contact transformations - MaRDI portal

The eikonal equation, envelopes and contact transformations (Q4457670)

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scientific article; zbMATH DE number 2061898
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The eikonal equation, envelopes and contact transformations
scientific article; zbMATH DE number 2061898

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    The eikonal equation, envelopes and contact transformations (English)
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    25 March 2004
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    ordinary differential equations
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    conformal Lorentzian metric
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    generalized-Wünschmann invariant
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