Let h be a system with characteristics of constant multiplicity. We prove that if there exists an operator A′ such that h∘A′ has diagonal principal part and admits a good decomposition, then h must satisfy the Levi conditions
We consider elliptic and hyperbolic systems with diagonalizable principal part. Characteristics are ...
In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplic...
We study a class of third order hyperbolic operators $P$ in $G = \{(t, x):0 \leq t \leq T, x \in U \...
Let h be a system with characteristics of constant multiplicity. We prove that if there exists an op...
We consider a linear system of partial differential equations, whose principal symbol is hyperbolic ...
In this paper we prove two results on the Levi conditions for weakly hyperbolic systems with charact...
AbstractIn the present paper we give necessary conditions for the well-posedness of the Cauchy probl...
AbstractWe consider the Cauchy problem for first order hyperbolic systems that have characteristic p...
We prove that a second-microlocal version of the Sato-Kashiwara determinant computes the Newton poly...
In this paper we prove that the Levi conditions stated by Vaillant are sufficient in order the Cauch...
We prove that a second-microlocal version of the Sato-Kashiwara determinant computes the Newton poly...
In this paper, the Lp behavior of systems of linear, hyperbolic partial differential equations is ex...
We consider the Cauchy problem in L 2 for first order system. A necessary condition is that the syst...
In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplic...
AbstractIn this paper we show, for a class of hyperbolic systems, that the dimension of the range of...
We consider elliptic and hyperbolic systems with diagonalizable principal part. Characteristics are ...
In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplic...
We study a class of third order hyperbolic operators $P$ in $G = \{(t, x):0 \leq t \leq T, x \in U \...
Let h be a system with characteristics of constant multiplicity. We prove that if there exists an op...
We consider a linear system of partial differential equations, whose principal symbol is hyperbolic ...
In this paper we prove two results on the Levi conditions for weakly hyperbolic systems with charact...
AbstractIn the present paper we give necessary conditions for the well-posedness of the Cauchy probl...
AbstractWe consider the Cauchy problem for first order hyperbolic systems that have characteristic p...
We prove that a second-microlocal version of the Sato-Kashiwara determinant computes the Newton poly...
In this paper we prove that the Levi conditions stated by Vaillant are sufficient in order the Cauch...
We prove that a second-microlocal version of the Sato-Kashiwara determinant computes the Newton poly...
In this paper, the Lp behavior of systems of linear, hyperbolic partial differential equations is ex...
We consider the Cauchy problem in L 2 for first order system. A necessary condition is that the syst...
In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplic...
AbstractIn this paper we show, for a class of hyperbolic systems, that the dimension of the range of...
We consider elliptic and hyperbolic systems with diagonalizable principal part. Characteristics are ...
In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplic...
We study a class of third order hyperbolic operators $P$ in $G = \{(t, x):0 \leq t \leq T, x \in U \...
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