1. Convexity of the Berezin range;Linear Algebra and its Applications;2022-08
2. Which set is the numerical range of an operator?;Acta Scientiarum Mathematicarum;2022-08
3. Curves of geodesic centers and Poncelet ellipses;Journal of Functional Analysis;2021-10
4. Matrix powers with circular numerical range;Linear Algebra and its Applications;2020-10
5. Higher rank numerical ranges of Jordan-like matrices;Linear and Multilinear Algebra;2019-10-30