2 papers
math.FA2014
Self-adjointness of unbounded tridiagonal operators and spectra of their finite truncations
Eugenia N. Petropoulou, L. Velázquez
This paper addresses two different but related questions regarding an unbounded symmetric tridiagonal operator: its self-adjointness and the approximation of its spectrum by the ei…
math.FA2012
The Humbert-Bessel functions, Stirling numbers and probability distributions in coincidence problems
D. Babusci, G. Dattoli, E. Di Palma +1
The Humbert-Bessel are multi-index functions with various applications in electromagnetism. New families of functions sharing some similarities with Bessel functions are often intr…