@article{paperid:1086878,
author = {,  and Sal Moslehian, Mohammad and Dan Popovici},
title = {Operator equalities and Characterizations of Orthogonality in Pre-Hilbert C*-Modules},
journal = {Proceedings of the Edinburgh Mathematical Society},
year = {2021},
volume = {64},
number = {3},
month = {August},
issn = {0013-0915},
pages = {594--614},
			numpages = {20},
keywords = {Hilbert C*-module
norm equality
Pythagoras orthogonality
Pythagoras identity},
}