Search Results - "Tomás Oliveira e Silva"

A proof of the conjecture of Cohen and Mullen on sums of primitive roots by COHEN, STEPHEN D., E SILVA, TOMÁS OLIVEIRA, TRUDGIAN, TIM

“…>. This resolves a conjecture posed by Cohen and Mullen.]]>…”
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Vectorizing and distributing number‐theoretic transform to count Goldbach partitions on Arm‐based supercomputers by Jesus, Ricardo, Oliveira e Silva, Tomás, Weiland, Michèle

“…Summary In this article, we explore the usage of scalable vector extension (SVE) to vectorize number‐theoretic transforms (NTTs). In particular, we show that…”
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EMPIRICAL VERIFICATION OF THE EVEN GOLDBACH CONJECTURE AND COMPUTATION OF PRIME GAPS UP TO 4 · 10 by e SILVA, TOMÁS OLIVEIRA, HERZOG, SIEGFRIED, PARDI, SILVIO

“…This paper describes how the even Goldbach conjecture was confirmed to be true for all even numbers not larger than 4 · 10¹⁸. Using a result of Ramaré and…”
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On consecutive primitive elements in a finite field by Cohen, Stephen D., Oliveira e Silva, Tomás, Trudgian, Tim

“…Abstract For $q$ an odd prime power with $q>169,$ we prove that there are always three consecutive primitive elements in the finite field $\mathbb {F}_{q}$…”
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On the application of block transmissions for improving control over lossy networks by Cunguara, Milton Armando, Mendes Oliveira e Silva, Tomas Antonio, Bacelar Reis Pedreiras, Paulo

“…Over the last few years the problem of optimal estimation and control over lossy networks has been studied in detail. However, most of such works assume that…”
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Linear combinations of primitive elements of a finite field by Cohen, Stephen, Silva, Tomás Oliveira e, Sutherland, Nicole, Trudgian, Tim

“…Finite Fields and Their Applications Volume 51, May 2018 We examine linear sums of primitive roots and their inverses in finite fields. In particular, we…”
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On the asymptotic eigenvalue distribution of Block-Toeplitz matrices related to the generalized orthonormal basis functions model by e Silva, Tomás Oliveira

“…In this paper we study the asymptotic distribution of the eigenvalues of a family of Hermitian block-Toeplitz matrices, generated by the internal signals of…”
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Maximum Excursion and Stopping Time Record-Holders for the 3x + 1 Problem: Computational Results by OLIVEIRA E SILVA, T

“…This paper presents some results concerning the search for initial values to the so-called 3x + 1 problem which give rise either to function iterates that…”
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Wideband all-digital transmitter based on multicore DSM by Cordeiro, R. F., Oliveira, Arnaldo S. R., Vieira, Jose, Oliveira e Silva, Tomas

“…This paper presents a new wideband all-digital pulsed transmitter architecture based on delta-sigma modulation. The proposed architecture uses a parallel…”
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On consecutive primitive elements in a finite field by Cohen, Stephen D, Silva, Tomás Oliveira e, Trudgian, Tim

“…Bull. Lond. Math. Soc., 2015, vol. 47, pp. 418-426 For $q$ an odd prime power with $q>169$ we prove that there are always three consecutive primitive elements…”
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Empirical verification of the even Goldbach conjecture and computation of prime gaps up to 4\cdot 10^{18} by Tomás Oliveira e Silva, Siegfried Herzog, Silvio Pardi

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A path to oscillation free controller changes by Cunguara, M., Oliveira e Silva, Tomas, Pedreiras, P.

“…Driven by the need to make a more efficient use of communication and computational resources, recently, a strong research effort has been devoted to the study…”
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A novel dynamical approach to (m, k)-fırm scheduling by Cunguara, Milton Armando, Mendes Oliveira e Silva, Tomas Antonio, Bacelar Reis Pedreiras, Paulo

“…Many real-time systems tolerate, up to some extent, that instances of their tasks are skipped or miss their deadlines. In such cases it is possible to increase…”
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On the control of lossy networks with hold strategy by Cunguara, Milton Armando, Mendes Oliveira e Silva, Tomas Antonio, Bacelar Reis Pedreiras, Paulo

“…The discipline of linear control in centralized systems has been extensively studied and optimal results can already be found in the literature. However, in…”
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Optimal control in the presence of state uncertainty by Cunguara, M., Oliveira e Silva, Tomas, Pedreiras, P.

“…The problem of optimal control given full state knowledge has been solved many years ago and is very well documented. Nonetheless, in most control settings it…”
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The distribution of $k$-free numbers by Mossinghoff, Michael J, Silva, Tomás Oliveira e, Trudgian, Tim

“…Let $R_k(x)$ denote the error incurred by approximating the number of $k$-free integers less than $x$ by $x/\zeta(k)$. It is well known that…”
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A loosely coupled architecture for networked control systems by Cunguara, M. A., Mendes Oliveira e Silva, Tomas Antonio, Pedreiras, P. B. R.

“…Nowadays the use of so-called Network Control Systems is a common practice. Although convenient, networks introduce several perturbations to the control…”
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Optimality conditions for truncated Laguerre networks by Silva, T.O.E.

“…Presents optimality conditions for truncated Laguerre networks both for continuous time and for discrete time. Contrary to the current approach, no assumption…”
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On Grosswald's conjecture on primitive roots by Cohen, Stephen D, Silva, Tomás Oliveira e, Trudgian, Tim

“…Grosswald's conjecture is that $g(p)$, the least primitive root modulo $p$, satisfies $g(p) \leq \sqrt{p} - 2$ for all $p>409$. We make progress towards this…”
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A proof of the conjecture of Cohen and Mullen on sums of primitive roots by Cohen, Stephen D, Silva, Tomás Oliveira e, Trudgian, Tim

“…We prove that for all $q>61$, every non-zero element in the finite field $\mathbb{F}_{q}$ can be written as a linear combination of two primitive roots of…”
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