We give an example showing that the main result, i.e., Theorem 2.12, in the paper by Peng, Wang, Peng, and Chen [Electron. J. Linear Algebra 35 (2019) 543-554] is not correct. We also indicate where the mistake in the proof occurs
Is data on this page outdated, violates copyrights or anything else? Report the problem now and we will take corresponding actions after reviewing your request.