On the sign-regularity of positive fourth-order differential operators
Classical Analysis and ODEs
2016-01-26 v2 Spectral Theory
Abstract
It is shown that positivity in of Green function of positively defined fourth-order ordinary differential operator (with separated boundary conditions) is a criterium of sign-regularity of this operator.
Keywords
Cite
@article{arxiv.1601.05984,
title = {On the sign-regularity of positive fourth-order differential operators},
author = {A. A. Vladimirov},
journal= {arXiv preprint arXiv:1601.05984},
year = {2016}
}
Comments
6 pages, in Russian