Results 51 to 60 of about 268,283 (236)

Some Properties of the Generalized Leonardo Numbers

open access: yesJournal of New Theory
In this study, various properties of the generalized Leonardo numbers, which are one of the generalizations of Leonardo numbers, have been investigated. Additionally, some identities among the generalized Leonardo numbers have been obtained. Furthermore,
Yasemin Alp
doaj   +1 more source

Fibonacci’s Computation Methods vs Modern Algorithms

open access: yesReti Medievali Rivista, 2013
In this paper we discuss some computational procedures given by Leonardo Pisano Fibonacci in his famous Liber Abaci book, and we propose their translation into a modern language for computers (C ++).
Ernesto Burattini
doaj   +1 more source

On Generalized Fibonacci Quaternions and Fibonacci-Narayana Quaternions

open access: yes, 2013
In this paper, we investigate some properties of generalized Fibonacci quaternions and Fibonacci-Narayana quaternions.Comment: Accepted in Adv. in Appl.
Flaut, Cristina, Shpakivskyi, Vitalii
core   +1 more source

A New Generalization of Leonardo Sequences: Biperiodic Leonardo Sequence

open access: yesJournal of Mathematics, Volume 2025, Issue 1, 2025.
In this study, we define a new type of number sequence called biperiodic Leonardo sequence by the recurrence relation Lena,b=aLen−1+Len−2+1 (for even n) and Lena,b=bLen−1+Len−2+1 (for odd n) with the initial conditions Le0a,b=Le1a,b=1. We obtained the characteristic function, generating function, and Binet’s formula for this sequence and propose a ...
Hasan Gökbaş, Mohammad W. Alomari
wiley   +1 more source

Sunflower Array Antenna with Adjustable Density Taper

open access: yesInternational Journal of Antennas and Propagation, Volume 2009, Issue 1, 2009., 2009
A deterministic procedure to design a nonperiodic planar array radiating a rotationally symmetric pencil beam pattern with an adjustable sidelobe level is proposed. The elements positions are derived by modifying the peculiar locations of the sunflower seeds in such a way that the corresponding spatial density fits a Taylor amplitude tapering law which
Maria Carolina Viganó   +5 more
wiley   +1 more source

The Abbaco Tradition (1300-1500): its role in the development of European algebra [PDF]

open access: yes, 2008
Abbaco algebra is a coherent tradition of algebraic problem solving mostly based in the merchant cities of fourteenth and fifteenth-century Italy. This period is roughly situated between two important works dealing with algebra: the Liber Abbaci by ...
Heeffer, Albrecht
core   +1 more source

5D Hyperchaotic Image Encryption Scheme Based on Fibonacci Q‐Matrix

open access: yesComplexity, Volume 2024, Issue 1, 2024.
This article proposed an image encryption scheme along a novel five‐dimensional hyperchaotic system and a Fibonacci Q‐matrix (FQ‐matrix) for gray images. This designed algorithm follows two key stages: the confusion stage and the diffusion stage. In the confusion step and diffusion step, the placement of the plain image pixels is replaced by a 5D ...
Geeta Biban   +4 more
wiley   +1 more source

Embeddings into Hyper Petersen Networks: Yet Another Hypercube‐Like Interconnection Topology

open access: yesVLSI Design, Volume 2, Issue 4, Page 335-351, 1995., 1995
A new hypercube‐like topology, called the hyper Petersen (HP) network, is proposed and analyzed, which is constructed from the well‐known cartesian product of the binary hypercube and the Petersen graph of ten nodes. This topology is an attractive candidate for multiprocessor interconnection having such desirable properties as regularity, high symmetry
Sajal K. Das   +2 more
wiley   +1 more source

Periods of Leonardo Sequences and Bivariate Gaussian Leonardo Polynomials

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi
In this study, we investigate the periodic characteristics of Leonardo, Leonardo-Lucas, and Gaussian Leonardo sequences, presenting our findings through lemmas and theorems.
Selime Beyza Özçevik, Abdullah Dertli
doaj   +1 more source

A New Class of Leonardo Hybrid Numbers and Some Remarks on Leonardo Quaternions over Finite Fields

open access: yesMathematics, 2023
In this paper, we present a new class of Leonardo hybrid numbers that incorporate quantum integers into their components. This advancement presents a broader generalization of the q-Leonardo hybrid numbers.
Elif Tan, Diana Savin, Semih Yılmaz
doaj   +1 more source

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