We give an example of a fundamental solution of the Neumann problem for the hyperbolic heat equation in a disk D which is not in L2(D ×]0,T[) whatever be T > 0.
机构:
Le Mans Univ, Dept Math, UFR Sci & Tech, Ave Olivier Messiaen, F-72085 Le Mans 9, FranceInst Polytech Paris, Unite Math Appliquees, ENSTA Paris, 828 Blvd Marechaux, F-91120 Palaiseau, France
Di Girolami, Cristina
Russo, Francesco
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Inst Polytech Paris, Unite Math Appliquees, ENSTA Paris, 828 Blvd Marechaux, F-91120 Palaiseau, FranceInst Polytech Paris, Unite Math Appliquees, ENSTA Paris, 828 Blvd Marechaux, F-91120 Palaiseau, France