Document Type : Research Paper
Authors
1 Department of Mathematics, Iran University of Science and Technology, Tehran, Iran
2 PhD and Graduate Center, Payame Noor University, Shahnaz Alley Haj Mahmood Norian Street, Shiraz, Iran
3 Tabriz College of Technology, P. O. Box 51745-135, Tabriz, Iran
Abstract
We show that higher derivations on a Hilbert
Keywords