🔧На сайте запланированы технические работы
25.12.2025 в промежутке с 18:00 до 21:00 по Московскому времени (GMT+3) на сайте будут проводиться плановые технические работы. Возможны перебои с доступом к сайту. Приносим извинения за временные неудобства. Благодарим за понимание!
🔧Site maintenance is scheduled.
Scheduled maintenance will be performed on the site from 6:00 PM to 9:00 PM Moscow time (GMT+3) on December 25, 2025. Site access may be interrupted. We apologize for the inconvenience. Thank you for your understanding!

 

Some Analytic Properties of the Weyl Function of a Closed Operator


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

Abstract

We study the Weyl function M(λ) of a closed linear operator acting in a complex Hilbert space and establish conditions guaranteeing that a complex number λ0 is a first-order pole of the operator function (M(λ) − M0 ))−1 .

About the authors

O. H. Storozh

Ivan Franko Lviv National University

Email: Jade.Santos@springer.com
Ukraine, Lviv

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2016 Springer Science+Business Media New York