Abstract
Let V denote the classical Volterra operator on L2[0,1] and let z1,z2 be arbitrary complex numbers. We investigated the operator norm of
Keywords: Volterra operator; norm
Communicated by Michal Zajac
Acknowledgement
The authors would like to thank Prof. Jaroslav Zemánek and Michal Zajac for useful discussions during the preparation of this article. The authors grateful for the referee’s valuable comments that improved the paper.
References
[1] HALMOS, P. R.: A Hilbert Space Problem Book, Springer-Verlag New York Inc., 1982.10.1007/978-1-4684-9330-6Search in Google Scholar
Received: 2017-02-06
Accepted: 2017-09-28
Published Online: 2018-10-20
Published in Print: 2018-10-25
© 2018 Mathematical Institute Slovak Academy of Sciences
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