On signs of certain Toeplitz-Hessenberg determinants whose elements involve Bernoulli numbers
On negativity and positivity of Hessenberg determinants
DOI:
https://doi.org/10.55016/ojs/cdm.v18i2.73022Abstract
In the paper, by virtue of Wronski's formula and Kaluza's theorem related to a power series and its reciprocal, by means of Cahill and Narayan's recursive relation, and with the aid of the logarithmic convexity of the sequence of the Bernoulli numbers, the author presents the signs of certain Toeplitz-Hessenberg determinants whose elements involve the Bernoulli numbers and combinatorial numbers. Moreover, with the help of a derivative formula for the ratio of two differentiable functions, the author provides an alternative proof of Wronski's formula.
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