Search Results - "Masuda, Ariane M."
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1
A conjugate directions-type procedure for quadratic multiobjective optimization
Published in Optimization (01-02-2022)“…We propose an extension of the real-valued conjugate directions method for unconstrained quadratic multiobjective problems. As in the single-valued…”
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2
One- and Two-Point Codes Over Kummer Extensions
Published in IEEE transactions on information theory (01-09-2016)“…We compute the Weierstrass semigroup at one totally ramified place for Kummer extensions defined by y m = f (x) λ , where f (x) is a separable polynomial over…”
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3
Rédei permutations with cycles of the same length
Published in Designs, codes, and cryptography (01-12-2020)“…Let F q be a finite field of odd characteristic. We study Rédei functions that induce permutations over P 1 ( F q ) whose cycle decomposition contains only…”
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Rational functions with linear relations
Published in Proceedings of the American Mathematical Society (01-04-2008)“…We find all polynomials f,g,h over a field K such that g and h are linear and f(g(x))=h(f(x)). We also solve the same problem for rational functions f,g,h, in…”
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5
Permutation Binomials over Finite Fields
Published in Transactions of the American Mathematical Society (01-08-2009)“…We prove that if $x^m + ax^n$ permutes the prime field $F_p$ , where m > n > 0 and $a \in F_p^*$ , then gcd(m n, p — 1) > $\sqrt p - 1$ . Conversely, we prove…”
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6
Solving the membership problem for certain subgroups of SL2(Z)
Published in Journal of algebra (01-09-2024)“…For positive integers u and v, let Lu=[10u1] and Rv=[1v01]. Let Gu,v be the group generated by Lu and Rv. In a previous paper, the authors determined a…”
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Solving the membership problem for certain subgroups of SL 2 ( Z )
Published in Journal of algebra (01-09-2024)Get full text
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8
Permutation binomials of the form x(x−1 + a) over F q e
Published in Finite fields and their applications (01-03-2022)Get full text
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Permutation binomials of the form xr(xq−1 + a) over Fqe
Published in Finite fields and their applications (01-03-2022)“…We present several existence and nonexistence results for permutation binomials of the form xr(xq−1+a), where e≥2 and a∈Fqe⁎. As a consequence, we obtain a…”
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10
Rédei permutations with the same cycle structure
Published in Finite fields and their applications (01-08-2022)“…Let Fq be the finite field of order q, and P1(Fq)=Fq∪{∞}. Write (x+y)m as N(x,y)+D(x,y)y. For m∈N and a∈Fq, the Rédei function Rm,a:P1(Fq)→P1(Fq) is defined by…”
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11
Character theory of monoids over an arbitrary field
Published in Journal of algebra (01-06-2015)“…The basic character theory of finite monoids over the complex numbers was developed in the sixties and seventies based on work of Munn, Ponizovskiĭ, McAlister,…”
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12
Orphans in Forests of Linear Fractional Transformations
Published in The Electronic journal of combinatorics (08-07-2016)“…A positive linear fractional transformation (PLFT) is a function of the form $f(z)=\frac{az+b}{cz+d}$ where $a,b,c$ and $d$ are nonnegative integers with…”
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13
Permutation binomials of the form $x^r(x^{q-1}+a)$ over $\mathbb F_{q^e}
Published 22-09-2020“…Finite Fields Appl. 79 (2022), 102003 We present several existence and nonexistence results for permutation binomials of the form $x^r(x^{q-1}+a)$, where…”
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14
Low Complexity Normal Elements over Finite Fields of Characteristic Two
Published in IEEE transactions on computers (01-07-2008)“…In this paper, we extend previously known results on the complexities of normal elements. Using algorithms that exhaustively test field elements, we are able…”
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15
Solving the membership problem for certain subgroups of $SL_2(\mathbb{Z})
Published 05-10-2021“…For positive integers $u$ and $v$, let $L_u=\begin{bmatrix}1 & 0 \\u&1\end{bmatrix}$ and $R_v=\begin{bmatrix}1 & v \\ 0 & 1\end{bmatrix}$. Let $G_{u,v}$ be the…”
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16
R\'edei permutations with the same cycle structure
Published 05-10-2021“…Finite Fields Appl. 81 (2022), 102046 Let $\mathbb{F}_q$ be the finite field of order $q$, and $\mathbb P^1(\mathbb{F}_q) = \mathbb F_q\cup \{\infty\}$. Write…”
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R\'edei permutations with cycles of the same length
Published 30-06-2020“…Des. Codes Cryptogr. 88, 2561-2579 (2020) Let $\mathbb{F}_q$ be a finite field of odd characteristic. We study R\'edei functions that induce permutations over…”
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Permutation polynomials over $\mathbb{F}_{q^2}$ from rational functions
Published 14-02-2018“…Let $\mu_{q+1}$ denote the set of $(q+1)$-th roots of unity in $\mathbb{F}_{q^2 }$. We construct permutation polynomials over $\mathbb{F}_{q^2}$ by using…”
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Subgroups of $SL_2(\mathbb{Z})$ characterized by certain continued fraction representations
Published 30-08-2019“…Proc. Amer. Math. Soc. 148 (2020), 3775-3786 For positive integers $u$ and $v$, let $L_u=\begin{bmatrix} 1 & 0 \\ u & 1 \end{bmatrix}$ and $R_v=\begin{bmatrix}…”
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20
Mean Row Values in $(u,v)$-Calkin-Wilf Trees
Published 11-10-2018“…In: Nathanson M. (eds) Combinatorial and Additive Number Theory III. CANT 2018. Springer Proceedings in Mathematics & Statistics, vol 297. Springer, Cham We…”
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