On the spectrum and fine spectrum of the upper triangular double band matrix \(U (a_0, a_1, a_2; b_0, b_1, b_2)\) over the sequence space \(\ell_p\)

DOI10.5831/hmj.2023.45.4.598MaRDI QIDQ6549656

Rabia Kılıç, Nuh Durna

Publication date: 4 June 2024

Published in: Honam Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

spectrumapproximate point spectrumfine spectrumband matrix

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

This page was built for publication: On the spectrum and fine spectrum of the upper triangular double band matrix \(U (a_0, a_1, a_2; b_0, b_1, b_2)\) over the sequence space \(\ell_p\)