@article{Durna_Kılıç_2019, title={Spectra and fine spectra for the upper triangular band matrix U(a0, a1, a2; b0, b1, b2) over the sequence space c0}, volume={38}, url={https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/3416}, abstractNote={<p>The aim of this paper is to obtain the spectrum, fine spectrum, approximate point spectrum, defect spectrum and compression spectrum of the operator</p> <p><img src="http://seminariorevistas.ucn.cl/wp-content/uploads/2019/02/a10_145_162001.png"></p> <p>on the sequence space c<sub>0</sub> where b<sub>0</sub>, b<sub>1</sub> , b<sub>2</sub> are nonrzero and the nonzero diagonals are the entries of an oscillatory sequence.</p>}, number={1}, journal={Proyecciones (Antofagasta, On line)}, author={Durna, Nuh and Kılıç, Rabia}, year={2019}, month={Feb.}, pages={145-162} }