Zero-sums of length kq in
Silke Kubertin (2005)
Acta Arithmetica
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Silke Kubertin (2005)
Acta Arithmetica
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A. Schinzel (2013)
Colloquium Mathematicae
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The pairs (k,m) are studied such that for every positive integer n we have .
Carlos Alexis Gómez Ruiz, Florian Luca (2014)
Colloquium Mathematicae
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A generalization of the well-known Fibonacci sequence given by F₀ = 0, F₁ = 1 and for all n ≥ 0 is the k-generalized Fibonacci sequence whose first k terms are 0,..., 0, 1 and each term afterwards is the sum of the preceding k terms. For the Fibonacci sequence the formula holds for all n ≥ 0. In this paper, we show that there is no integer x ≥ 2 such that the sum of the xth powers of two consecutive k-generalized Fibonacci numbers is again a k-generalized Fibonacci number. This...
Jhon J. Bravo, Carlos A. Gómez, Florian Luca (2015)
Colloquium Mathematicae
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For an integer k ≥ 2, let be the k-Fibonacci sequence which starts with 0,..., 0,1 (k terms) and each term afterwards is the sum of the k preceding terms. This paper completes a previous work of Marques (2014) which investigated the spacing between terms of distinct k-Fibonacci sequences.
Johannes F. Morgenbesser (2011)
Acta Arithmetica
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Diego Marques (2014)
Colloquium Mathematicae
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For k ≥ 2, the k-generalized Fibonacci sequence is defined to have the initial k terms 0,0,...,0,1 and be such that each term afterwards is the sum of the k preceding terms. We will prove that the number of solutions of the Diophantine equation (under some weak assumptions) is bounded by an effectively computable constant depending only on c.
Diego Marques (2012)
Mathematica Bohemica
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Let and define , the -generalized Fibonacci sequence whose terms satisfy the recurrence relation , with initial conditions ( terms) and such that the first nonzero term is . The sequences and are the known Fibonacci and Tribonacci sequences, respectively. In 2005, Noe and Post made a conjecture related to the possible solutions of the Diophantine equation . In this note, we use transcendental tools to provide a general method for finding the intersections which gives...
Kaisa Matomäki (2011)
Bulletin de la Société Mathématique de France
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We prove that the sign of Kloosterman sums changes infinitely often as runs through the square-free numbers with at most prime factors. This improves on a previous result by Sivak-Fischler who obtained 18 instead of 15. Our improvement comes from introducing an elementary inequality which gives lower and upper bounds for the dot product of two sequences whose individual distributions are known.
L. Dickson (1936)
Acta Arithmetica
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Valentin Blomer (2013)
Journal of the European Mathematical Society
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We prove the optimal upper bound where runs over an orthonormal basis of Maass cusp forms of prime level and bounded spectral parameter.
Alexander E. Patkowski (2017)
Czechoslovak Mathematical Journal
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We examine the -Pell sequences and their applications to weighted partition theorems and values of -functions. We also put them into perspective with sums of tails. It is shown that there is a deeper structure between two-variable generalizations of Rogers-Ramanujan identities and sums of tails, by offering examples of an operator equation considered in a paper published by the present author. The paper starts with the classical example offered by Ramanujan and studied by previous...
Kathryn E. Hare, Shuntaro Yamagishi (2014)
Acta Arithmetica
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Let m ≥ 2 be a positive integer. Given a set E(ω) ⊆ ℕ we define to be the number of ways to represent N ∈ ℤ as a combination of sums and differences of m distinct elements of E(ω). In this paper, we prove the existence of a “thick” set E(ω) and a positive constant K such that for all N ∈ ℤ. This is a generalization of a known theorem by Erdős and Rényi. We also apply our results to harmonic analysis, where we prove the existence of certain thin sets.
Natalia Paja, Iwona Włoch (2021)
Commentationes Mathematicae Universitatis Carolinae
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In this paper we consider two parameters generalization of the Fibonacci numbers and Pell numbers, named as the -Fibonacci numbers. We give some new interpretations of these numbers. Moreover using these interpretations we prove some identities for the -Fibonacci numbers.
Fan Ge, Zhi-Wei Sun (2016)
Colloquium Mathematicae
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For m = 3,4,... those pₘ(x) = (m-2)x(x-1)/2 + x with x ∈ ℤ are called generalized m-gonal numbers. Sun (2015) studied for what values of positive integers a,b,c the sum ap₅ + bp₅ + cp₅ is universal over ℤ (i.e., any n ∈ ℕ = 0,1,2,... has the form ap₅(x) + bp₅(y) + cp₅(z) with x,y,z ∈ ℤ). We prove that p₅ + bp₅ + 3p₅ (b = 1,2,3,4,9) and p₅ + 2p₅ + 6p₅ are universal over ℤ, as conjectured by Sun. Sun also conjectured that any n ∈ ℕ can be written as and 3p₃(x) + p₅(y) + p₇(z) with x,y,z...
Jhon J. Bravo, Jose L. Herrera (2020)
Mathematica Bohemica
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Using the lower bound of linear forms in logarithms of Matveev and the theory of continued fractions by means of a variation of a result of Dujella and Pethő, we find all -Fibonacci and -Lucas numbers which are Fermat numbers. Some more general results are given.
S. Gurak (2007)
Acta Arithmetica
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W. J. Ellison (1970-1971)
Séminaire de théorie des nombres de Bordeaux
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Eugeniusz Barcz (2019)
Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia
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The paper presents, among others, the golden number as the limit of the quotient of neighboring terms of the Fibonacci and Fibonacci type sequence by means of a fixed point of a mapping of a certain interval with the help of Edelstein’s theorem. To demonstrate the equality , where is -th Fibonacci number also the formula from Corollary has been applied. It was obtained using some relationships between Fibonacci and Lucas numbers, which were previously justified.
Carlos Alexis Ruiz Gómez, Florian Luca (2015)
Acta Arithmetica
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We consider the Tribonacci sequence given by T₀ = 0, T₁ = T₂ = 1 and for all n ≥ 0, and we find all triples of Tribonacci numbers which are multiplicatively dependent.
Victor J. W. Guo (2018)
Czechoslovak Mathematical Journal
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We give a new and elementary proof of Jackson’s terminating -analogue of Dixon’s identity by using recurrences and induction.