@article { author = {Khakshour, Madjid and Aghamollaei, Gholamreza}, title = {Some Results on Polynomial Numerical Hulls of Perturbed Matrices}, journal = {Sahand Communications in Mathematical Analysis}, volume = {14}, number = {1}, pages = {147-158}, year = {2019}, publisher = {University of Maragheh}, issn = {2322-5807}, eissn = {2423-3900}, doi = {10.22130/scma.2018.80849.388}, abstract = {In this paper, the behavior of the pseudopolynomial numerical hull of a square complex matrix with respect to structured perturbations and its radius is investigated.}, keywords = {Polynomial numerical hull,numerical range,Numerical radius,Perturbation}, url = {https://scma.maragheh.ac.ir/article_34868.html}, eprint = {https://scma.maragheh.ac.ir/article_34868_8120ae5d784f7ec2e9a9ca542806d1f9.pdf} }