Lund University, May 23–25, 2002 It is proven that the essential spectrum of any self-adjoint operator associated with the matrix differential expression −
The spectrum and essential spectrum of a self-adjoint operator in a real Hilbert space are character...
In this paper we develop a new method to determine the essential spectrum of coupled systems of sing...
AbstractA connection between the essential spectrum of certain operator-matrices and essential spect...
It is proven that the essential spectrum of any self-adjoint operator associated with the matrix dif...
The essential spectrum of singular matrix differential operator determined by the operator matrix (-...
On the essential spectrum of a class of singular matrix dierential operators. I Quasiregularity cond...
The essential spectrum of the singular matrix differential operator of mixed order determined by the...
It is a well known fact in operator theory that for any operator A, the essential spectrum of A is c...
AbstractWe use C*-algebra theory to provide a new method of decomposing the essential spectra of sel...
Let K denote either R or C depending on the context in which the discussion takes place, and X be a ...
The new asymptotic formulae for fundamental system of solving differential equations on base of whic...
We provide a very general result which identifies the essential spectrum of broad classes of operato...
SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Kar...
AbstractLet H0 and H be self-adjoint operators in a Hilbert space. We consider the spectral projecti...
AbstractThe present paper deals with the essential spectrum of the singular matrix differential oper...
The spectrum and essential spectrum of a self-adjoint operator in a real Hilbert space are character...
In this paper we develop a new method to determine the essential spectrum of coupled systems of sing...
AbstractA connection between the essential spectrum of certain operator-matrices and essential spect...
It is proven that the essential spectrum of any self-adjoint operator associated with the matrix dif...
The essential spectrum of singular matrix differential operator determined by the operator matrix (-...
On the essential spectrum of a class of singular matrix dierential operators. I Quasiregularity cond...
The essential spectrum of the singular matrix differential operator of mixed order determined by the...
It is a well known fact in operator theory that for any operator A, the essential spectrum of A is c...
AbstractWe use C*-algebra theory to provide a new method of decomposing the essential spectra of sel...
Let K denote either R or C depending on the context in which the discussion takes place, and X be a ...
The new asymptotic formulae for fundamental system of solving differential equations on base of whic...
We provide a very general result which identifies the essential spectrum of broad classes of operato...
SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Kar...
AbstractLet H0 and H be self-adjoint operators in a Hilbert space. We consider the spectral projecti...
AbstractThe present paper deals with the essential spectrum of the singular matrix differential oper...
The spectrum and essential spectrum of a self-adjoint operator in a real Hilbert space are character...
In this paper we develop a new method to determine the essential spectrum of coupled systems of sing...
AbstractA connection between the essential spectrum of certain operator-matrices and essential spect...
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