On the fine spectrum of generalized upper double-band matrices $\Delta^{uv}$ over the sequence space $l_1$

Authors

  • J. Fathi Department of Mathematics, Faculty of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran Author
  • R. Lashkaripour Department of Mathematics, Faculty of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran Author

Keywords:

Spectrum of an operator, matrix mapping, sequence space

Subjects:

47A10, 47B37

Abstract

The main purpose of this paper is to determine the fine spectrum ofgeneralized upper triangle double-band matrices $\Delta^{uv}$ over the sequence space $\ell_{1}$.

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Published

2013-01-15

Issue

Vol. 65 No. 1 (2013): Vol. 65, Issue 1

Section

Articles

License

Copyright (c) 2013 Authors retain copyright to their work.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.