most citedThe Image of Critical Circle and Zero-free Curve for Quadrinomials

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math.CV2022★ 1 cited

The Image of Critical Circle and Zero-free Curve for Quadrinomials

Oluma Ararso Alemu, Hunduma Legesse Geleta

The location of the zeros of a two-parameter family of complex-valued harmonic quadrinomials depends on the parameters. In this paper, we determine and demonstrate that the image o…