Abstract
We introduce the concept of the Hadamard power of a polynomial formed by real powers of its coefficients. We show that the Hadamard power of a Hurwitz polynomial remains Hurwitz.
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Gregor, J., Tiŝer, J. On Hadamard powers of polynomials. Math. Control Signal Systems 11, 372–378 (1998). https://doi.org/10.1007/BF02750398
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DOI: https://doi.org/10.1007/BF02750398