3 papers
math.CV2024
On the zeros of certain composite polynomials and an operator preserving inequalities
N. A. Rather, Ishfaq Dar, Suhail Gulzar
If all the zeros of th degree polynomials and respectively lie in the cricular regions and , ,…
math.CV2024
Location of the zeros of quaternionic polynomials using matrix tools
N. A. Rather, Naseer Ahmad Wani, Ishfaq Dar
Using a variety of matrix techniques, the problem of locating the left eigenvalues of the quaternion companion matrices are investigated in this paper. In a recent paper, Dar et al…
math.CA2021
Inequalities for rational functions with prescribed poles
N. A. Rather, A. Iqbal, Ishfaq Dar
For rational functions, we use simple but elegant techniques to strengthen generalizations of certain results which extend some widely known polynomial inequalities of Erdös-Lax an…