The Cauchy problem for improper affine spheres and the Hessian one equation

• Autores: Juan Angel Aledo Sánchez, Rosa M. B. Chaves, José Antonio Gálvez López
• Localización: Transactions of the American Mathematical Society, ISSN 0002-9947, Vol. 359, Nº 9, 2007, págs. 4183-4208
• Idioma: inglés
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• Resumen

  • We give a conformal representation for improper affine spheres which is used to solve the Cauchy problem for the Hessian one equation. With this representation, we characterize the geodesics of an improper affine sphere, study its symmetries and classify the helicoidal ones. Finally, we obtain the complete classification of the isolated singularities of the Hessian one Monge-Ampère equation.