Sub-solutions and mean-value operators for ultraparabolic equations on Lie groups

• Autores: Chiara Cinti
• Localización: Mathematica scandinavica, ISSN 0025-5521, Vol. 101, Nº 1, 2007, págs. 83-103
• Idioma: inglés
• DOI: 10.7146/math.scand.a-15033
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• Resumen

  • The aim of this paper is to provide a theory of sub-solutions for a class of hypoelliptic ultraparabolic operators L, by using mean-value operators on the level sets of the fundamental solution of L.