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Matematicheskie Zametki, 2018, Volume 103, Issue 6, paper published in the English version journal (Mi mzm11081)  
Papers published in the English version of the journal

Symmetry of the Quadratic Numerical Range and Spectral Inclusion Properties of Hamiltonian Operator Matrices

J. Huanga, J. Liuab, A. Chenc

a School of Mathematical Sciences, Inner Mongolia University, Hohhot, China
b Manzhouli College, Inner Mongolia University, Manzhouli, China
c Department of Mathematics, Hohhot Minzu College, Hohhot, China
Abstract: This paper studies Hamiltonian operator matrices with unbounded entries. Their quadratic numerical range is shown to be symmetric with respect to the imaginary axis under certain assumptions. Spectral inclusion properties are found.
Keywords: Hamiltonian operator matrix, quadratic numerical range, symmetry, spectral inclusion.
Funding agency Grant number
National Natural Science Foundation of China 11461049
11761029
11761052
Scientific Research Projects of Higher Education Institutions of Inner Mongolia NJZY16558
Scientific Research Foundation of Manzhouli College MYKZ16013
This work was supported by the National Natural Science Foundation of China (Nos. 11461049, 11761029, 11761052), the Scientific Research Projects of Higher Education Institutions of Inner Mongolia (No. NJZY16558) and the Scientific Research Foundation of Manzhouli College (No. MYKZ16013).
Received: 28.12.2015
Revised: 10.04.2018
English version:
Mathematical Notes, 2018, Volume 103, Issue 6, Pages 1007–1013
DOI: https://doi.org/10.1134/S0001434618050371
Bibliographic databases:
Document Type: Article
Language: English
Citation: J. Huang, J. Liu, A. Chen, “Symmetry of the Quadratic Numerical Range and Spectral Inclusion Properties of Hamiltonian Operator Matrices”, Math. Notes, 103:6 (2018), 1007–1013
Citation in format AMSBIB
\Bibitem{Liu18}
\by J.~Huang, J.~Liu, A.~Chen
\paper Symmetry of the Quadratic Numerical Range
and Spectral Inclusion Properties
of Hamiltonian Operator Matrices
\jour Math. Notes
\yr 2018
\vol 103
\issue 6
\pages 1007--1013
\mathnet{http://mi.mathnet.ru/mzm11081}
\crossref{https://doi.org/10.1134/S0001434618050371}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=3830475}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000436583800037}
\elib{https://elibrary.ru/item.asp?id=36156344}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85049121216}
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