Wiener integrals with respect to the Hermite random field and applications to the wave equation

• Autores: Jorge Clarke de la Cerda, Ciprian A. Tudor
• Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 65, Fasc. 3, 2014, págs. 341-356
• Idioma: inglés
• DOI: 10.1007/s13348-014-0108-9
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• Resumen

  • The Hermite random field has been introduced as a limit of some weighted Hermite variations of the fractional Brownian sheet. In this work we define it as a multiple integral with respect to the standard Brownian sheet and introduce Wiener integrals with respect to it. As an application we study the wave equation driven by the Hermite sheet. We prove the existence of the solution and we study the regularity of its sample paths, the existence of the density and of its local times.