AbstractFor a nonspectral differential operator L determined by −D2, sufficient conditions are established for the L2-expansion of a function u ϵ L2[0, 1] in terms of the eigenfunctions of L. In some cases both necessary and sufficient conditions are derived
We shall consider a non-selfadjoint boundary value problem for (1) (Δ + k²)u = F. In Section 2 ...
We give a definition of Green’s function of the general boundary value problems for non-self-adjoint...
AbstractIn Part I the necessary tools are developed for the complete resolution of the spectral theo...
AbstractFor a nonspectral differential operator L determined by −D2, sufficient conditions are estab...
SIGLECNRS RS 14802 E / INIST-CNRS - Institut de l'Information Scientifique et TechniqueFRFranc
AbstractAn eigenfunction expansion theorem is proved under certain assumptions about a nonselfadjoin...
Here we have derived an eigenfunction expansion in the case of a non self-adjoint 22 matrix differen...
AbstractIn this article, we consider an operator L defined by the differential expressionℓy=−y″+qxy,...
In the paper, we construct the spectral expansion for the differential operator generated in L-2(-in...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
Abstract For obtaining formulas of expansions of the integro-differential operator in eigen-functi...
We study sufficient conditions for uniform convergence of eigenfunction expansions associated with S...
We study sufficient conditions for uniform convergence of eigenfunction expansions associated with S...
We shall consider a non-selfadjoint boundary value problem for (1) (Δ + k²)u = F. In Section 2 ...
We give a definition of Green’s function of the general boundary value problems for non-self-adjoint...
AbstractIn Part I the necessary tools are developed for the complete resolution of the spectral theo...
AbstractFor a nonspectral differential operator L determined by −D2, sufficient conditions are estab...
SIGLECNRS RS 14802 E / INIST-CNRS - Institut de l'Information Scientifique et TechniqueFRFranc
AbstractAn eigenfunction expansion theorem is proved under certain assumptions about a nonselfadjoin...
Here we have derived an eigenfunction expansion in the case of a non self-adjoint 22 matrix differen...
AbstractIn this article, we consider an operator L defined by the differential expressionℓy=−y″+qxy,...
In the paper, we construct the spectral expansion for the differential operator generated in L-2(-in...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
With an ordinary differential expression L = ∑nk=0pkDk on an open interval I⊂R is associated a selfa...
Abstract For obtaining formulas of expansions of the integro-differential operator in eigen-functi...
We study sufficient conditions for uniform convergence of eigenfunction expansions associated with S...
We study sufficient conditions for uniform convergence of eigenfunction expansions associated with S...
We shall consider a non-selfadjoint boundary value problem for (1) (Δ + k²)u = F. In Section 2 ...
We give a definition of Green’s function of the general boundary value problems for non-self-adjoint...
AbstractIn Part I the necessary tools are developed for the complete resolution of the spectral theo...
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