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We study the irreducibility of Wronskian Hermite polynomials labelled by partitions. It is known that these polynomials factor as a power of x times a remainder polynomial. We show that the remainder polynomial is irreducible for the…

Classical Analysis and ODEs · Mathematics 2020-07-02 Codruţ Grosu , Corina Grosu

The Sendov conjecture asserts that if all the zeros of a polynomial p lie in the closed unit disk then there must be a zero of p ' within unit distance of each zero. In this paper we give a partial result when p has simple zeros.

Classical Analysis and ODEs · Mathematics 2018-05-16 Robert Dalmasso

In this paper, we prove the Sendov conjecture for polynomials of degree nine. We use a new idea to obtain new upper bound for the $\sigma-$sum to zeros of the polynomial.

Complex Variables · Mathematics 2018-05-18 Zaizhao Meng

For a certain class of partitions, a simple qualitative relation is observed between the shape of the Young diagram and the pattern of zeroes of the Wronskian of the corresponding Hermite polynomials. In the case of two-term Wronskian…

Mathematical Physics · Physics 2015-03-17 G. Felder , A. D. Hemery , A. P. Veselov

The Sendovs conjecture asserts that if all the zeros of a polynomial p(z) lie in the closed unit disk, then there must be a critical point of p(z) within unit distance of each zero. The conjecture has been proved to be true for many special…

General Mathematics · Mathematics 2020-03-06 G. M. Sofi

Sendov's conjecture asserts that if a complex polynomial $f$ of degree $n \geq 2$ has all of its zeroes in closed unit disk $\{ z: |z| \leq 1 \}$, then for each such zero $\lambda_0$ there is a zero of the derivative $f'$ in the closed unit…

Complex Variables · Mathematics 2022-06-02 Terence Tao

Sendov's conjecture, which was first introduced in the last 50s, asserts that if all the zeros of a polynomial $p$ lie in the closed unit disk then for each zero there must be a critical point of $p$ within unit distance. This paper…

Complex Variables · Mathematics 2022-10-25 Stephen Drury , Minghua Lin

We study the zeros of exceptional Hermite polynomials associated with an even partition $\lambda$. We prove several conjectures regarding the asymptotic behavior of both the regular (real) and the exceptional (complex) zeros. The real zeros…

Classical Analysis and ODEs · Mathematics 2019-03-22 A. B. J. Kuijlaars , R. Milson

Sendov conjecture tells that if $P$ denotes a complex polynomial having all his zeros in the closed unit disk and $a$ denote a zero of $P$, the closed disk of center $a$ and radius 1 contains a zero of the derivative $P'$. The main result…

Complex Variables · Mathematics 2011-11-16 Jérôme Dégot

In this paper, we obtain new results on the critical points of a polynomial. We discuss the Sendov conjecture for polynomials of degree nine.

Complex Variables · Mathematics 2013-03-12 Zaizhao Meng

We prove Odoni's conjecture in all prime degrees; namely, we prove that for every positive prime $p$, there exists a degree $p$ polynomial $\varphi\in\mathbb{Z}[x]$ with surjective arboreal Galois representation. We also show that Vojta's…

Number Theory · Mathematics 2018-12-19 Nicole R. Looper

We study Wronskians of Hermite polynomials labelled by partitions and use the combinatorial concepts of cores and quotients to derive explicit expressions for their coefficients. These coefficients can be expressed in terms of the…

Classical Analysis and ODEs · Mathematics 2020-02-25 Niels Bonneux , Clare Dunning , Marco Stevens

In this paper we first prove that a simple root of a polynomial satisfies the Sendov's conjecture. As the multiple roots trivially satisfy the Sendov's conjecture we conclude that the Sendov's conjecture holds true.

General Mathematics · Mathematics 2019-04-02 Huan Xiao

We study Wronskians of Appell polynomials indexed by integer partitions. These families of polynomials appear in rational solutions of certain Painlev\'e equations and in the study of exceptional orthogonal polynomials. We determine their…

Classical Analysis and ODEs · Mathematics 2019-08-15 Niels Bonneux , Zachary Hamaker , John Stembridge , Marco Stevens

In this paper, we present a simplified proof of Kharitonov's Theorem, an important result on determining the Hurwitz stability of interval polynomials. Our new approach to the proof, which is based on the Wronskian of a pair of polynomials,…

Optimization and Control · Mathematics 2025-02-21 Jason Elsinger , Anthony Stefan , Aaron Welters

The work of Adler provides necessary and sufficient conditions for the Wronskian of a given sequence of eigenfunctions of Schr\"odinger's equation to have constant sign in its domain of definition. We extend this result by giving explicit…

Mathematical Physics · Physics 2015-04-15 M. Ángeles García-Ferrero , David Gómez-Ullate

In this paper we study a particular class of polynomials. We study the distribution of their zeros, including the zeros of their derivatives as well as the interaction between this two. We prove a weak variant of the sendov conjecture in…

Classical Analysis and ODEs · Mathematics 2026-03-11 Theophilus Agama

I give an example of a family of orthogonal polynomials on the unit circle with Verblunsky coefficients given by the skew-shift for which the associated measures are supported on the entire unit circle and almost-every Aleksandrov measure…

Spectral Theory · Mathematics 2011-11-18 Helge Krueger

In this paper we prove a Nullstellensatz for supersymmetric polynomials. This gives a bijection between radical ideals and superalgebraic sets. These are algebraic sets which are invariant under the Weyl groupoid of Sergeev and Veselov,…

Rings and Algebras · Mathematics 2019-05-13 Ian M. Musson

We establish the geometric Bogomolov conjecture for semiabelian varieties over function fields. We show a closed subvariety contains Zariski dense sets of small points, if and only if, after modulo its stabilizer, it is a torsion translate…

Algebraic Geometry · Mathematics 2025-08-29 Wenbin Luo , Jiawei Yu
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