University of MaraghehSahand Communications in Mathematical Analysis2322-580714120190401Some Results on Polynomial Numerical Hulls of Perturbed Matrices1471583486810.22130/scma.2018.80849.388ENMadjidKhakshourDepartment of Applied Mathematics, Faculty of New Science and Technology, Graduate University of Advanced Technology of Kerman, Kerman, Iran.GholamrezaAghamollaeiDepartment of Pure Mathematics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman, Kerman, Iran.Journal Article20180204In this paper, the behavior of the pseudopolynomial numerical hull of a square complex matrix with respect to structured perturbations and its radius is investigated.https://scma.maragheh.ac.ir/article_34868_8120ae5d784f7ec2e9a9ca542806d1f9.pdf