On the HELP Inequality for Hill Operators on Trees

DOI10.1007/978-3-0348-0263-5_2zbMath1258.34173OpenAlexW2144628801MaRDI QIDQ2914463

Karl Michael Schmidt, B. Malcolm Brown

Publication date: 20 September 2012

Published in: Spectral Theory, Function Spaces and Inequalities (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/978-3-0348-0263-5_2

zbMATH Keywords

differential inequalityWeyl-Titchmarsh functionHill operatorregular quantum trees

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Weyl theory and its generalizations for ordinary differential equations (34B20) Differential inequalities involving functions of a single real variable (34A40) Quantum mechanics on special spaces: manifolds, fractals, graphs, lattices (81Q35)