A simple explicit bound on the absolute values of the non-real eigenvalues of a singular indefinite Sturm-Liouville operator on the real line with the weight function sgn(·) and an integrable, continuous potential q is obtained
The numerical range and the quadratic numerical range is used to study the spectrum of a class of bl...
In der vorliegenden Arbeit werden die spektralen Eigenschaften singulärer Sturm-Liouville- Different...
Ordinary and partial differential operators with an indefinite weight function can be viewed as boun...
A simple explicit bound on the absolute values of the non-real eigenvalues of a singular indefinite...
The spectrum of the singular indefinite Sturm-Liouville operator A=sgn(.) (-d^2/dx^2)+q with ...
We study a Sturm-Liouville expression with indefinite weight of the form sgn (−d^2/dx^2+V ) on \math...
The non-real spectrum of a singular indefinite Sturm-Liouville operator A=1/r (-d/dx p d/dx+q) with ...
Spectral properties of singular Sturm-Liouville operators of the form A = sgn ()(− d2 dx2 + V ) with...
AbstractIn this paper we obtain bounds on the real and imaginary parts of non-real eigenvalues of a ...
We consider a singular Sturm-Liouville expression with the indefinite weight sgn x. To this expressi...
The numerical range and the quadratic numerical range is used to study the spectrum of a class of bl...
In der vorliegenden Arbeit werden die spektralen Eigenschaften singulärer Sturm-Liouville- Different...
Ordinary and partial differential operators with an indefinite weight function can be viewed as boun...
A simple explicit bound on the absolute values of the non-real eigenvalues of a singular indefinite...
The spectrum of the singular indefinite Sturm-Liouville operator A=sgn(.) (-d^2/dx^2)+q with ...
We study a Sturm-Liouville expression with indefinite weight of the form sgn (−d^2/dx^2+V ) on \math...
The non-real spectrum of a singular indefinite Sturm-Liouville operator A=1/r (-d/dx p d/dx+q) with ...
Spectral properties of singular Sturm-Liouville operators of the form A = sgn ()(− d2 dx2 + V ) with...
AbstractIn this paper we obtain bounds on the real and imaginary parts of non-real eigenvalues of a ...
We consider a singular Sturm-Liouville expression with the indefinite weight sgn x. To this expressi...
The numerical range and the quadratic numerical range is used to study the spectrum of a class of bl...
In der vorliegenden Arbeit werden die spektralen Eigenschaften singulärer Sturm-Liouville- Different...
Ordinary and partial differential operators with an indefinite weight function can be viewed as boun...