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- W3121567306 abstract "We obtain bounds for the numerical radius of $$2 times 2$$ operator matrices which improve on the existing bounds. We also show that the inequalities obtained here generalize the existing ones. As an application of the results obtained here, we estimate the bounds for the zeros of a monic polynomial and illustrate with numerical examples that the bounds are better than the existing ones." @default.
- W3121567306 created "2021-02-01" @default.
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- W3121567306 date "2021-01-20" @default.
- W3121567306 modified "2023-10-01" @default.
- W3121567306 title "Bounds for zeros of a polynomial using numerical radius of Hilbert space operators" @default.
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- W3121567306 doi "https://doi.org/10.1007/s43034-020-00107-4" @default.
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