Correction to "Quaternionic Davis–Wielandt shell in a right quaternionic Hilbert space'', Ukrainian Mathematical Journal, vol. 75, No. 6, November, 2023 (Ukrainian original vol. 75, No. 6, June, 2023)
Year: 2025
Type: erratum
Abstract: UDC 517.5 We correct a mistake made in the proof of Example 2.1. In fact $\langle T\phi,\phi\rangle_{\mathbb{H}}=0$ is not true in the case where $T=\begin{pmatrix} \mathbf{q} & 0 \\0 & -\mathbf{q}\\\end{pmatrix}.$
Authors: Aref Jeribi, Kamel Mahfoudhi
Language: English
Subfield: Applied Mathematics
Field: Mathematics
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W7084086758
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