Extending Polynomially Normal Operators to (P, Q)-Normal Operators in Semi-Hilbertian Spaces.
Mathematics(MDPI) | Vol. 1 | Issue 2 | 2026
DOI: https://doi.org/10.1007/s40863-024-00481-1
Exploring the spectral properties of multivariable (m, n)-isosymmetric operators
Hacettepe Journal of Mathematics & Statistics | 2025
DOI: https://doi.org/10.15672/hujms.1598453