Results 81 to 90 of about 9,659,868 (257)

Cubic binomial Fibonacci sums [PDF]

open access: yesElectronic Journal of Mathematics, 2021
Kunle Adegoke   +2 more
doaj   +1 more source

A note on closed-form representation of Fibonacci numbers using Fibonacci trees [PDF]

open access: yesarXiv, 2013
In this paper, we give a new representation of the Fibonacci numbers. This is achieved using Fibonacci trees. With the help of this representation, the nth Fibonacci number can be calculated without having any knowledge about the previous Fibonacci numbers.
arxiv  

Generalized Fibonacci Numbers and Blackwell's Renewal Theorem [PDF]

open access: yes, 2010
We investigate a connection between generalized Fibonacci numbers and renewal theory for stochastic processes. Using Blackwell's renewal theorem we find an approximation to the generalized Fibonacci numbers. With the help of error estimates in the renewal theorem we figure out an explicit representation.
arxiv   +1 more source

Restricted Permutations, Fibonacci Numbers, and k-generalized Fibonacci Numbers

open access: yes, 2002
A permutation $ \in S_n$ is said to {\it avoid} a permutation $ \in S_k$ whenever $ $ contains no subsequence with all of the same pairwise comparisons as $ $. For any set $R$ of permutations, we write $S_n(R)$ to denote the set of permutations in $S_n$ which avoid every permutation in $R$. In 1985 Simion and Schmidt showed that $|S_n(132, 213, 123)
Egge, Eric S., Mansour, Toufik
openaire   +2 more sources

Behind phyllotaxis, within the meristem: a REM‐ARF complex shapes inflorescence in Arabidopsis thaliana

open access: yesThe Plant Journal, Volume 121, Issue 5, March 2025.
Significance Statement We showed that REM34 and REM35, cooperating with ARF7 and ARF19, regulate phyllotaxis establishment in Arabidopsis by the transcriptional control of a common set of genes and by influencing the cell cycle. This fundamental research study adds knowledge on the complex programs that drive inflorescence development, such as cell ...
Francesca Caselli   +8 more
wiley   +1 more source

A classification of infinite staircases for Hirzebruch surfaces

open access: yesJournal of Topology, Volume 18, Issue 1, March 2025.
Abstract The ellipsoid embedding function of a symplectic manifold gives the smallest amount by which the symplectic form must be scaled in order for a standard ellipsoid of the given eccentricity to embed symplectically into the manifold. It was first computed for the standard four‐ball (or equivalently, the complex projective plane) by McDuff and ...
Nicki Magill   +2 more
wiley   +1 more source

Fibonacci Numbers which are Products of two Pell Numbers [PDF]

open access: yesThe Fibonacci Quarterly, 2016, 2017
In this paper, we find all Fibonacci numbers which are products of two Pell numbers and all Pell numbers which are products of two Fibonacci numbers.
arxiv  

On the Enumeration and Asymptotic Analysis of Fibonacci Compositions [PDF]

open access: yesarXiv, 2021
We study Fibonacci compositions, which are compositions of natural numbers that only use Fibonacci numbers, in two different contexts. We first prove inequalities comparing the number of Fibonacci compositions to regular compositions where summands have a maximum possible value.
arxiv  

You're (Not) My Type‐ Can LLMs Generate Feedback of Specific Types for Introductory Programming Tasks?

open access: yesJournal of Computer Assisted Learning, Volume 41, Issue 1, February 2025.
ABSTRACT Background Feedback as one of the most influential factors for learning has been subject to a great body of research. It plays a key role in the development of educational technology systems and is traditionally rooted in deterministic feedback defined by experts and their experience.
Dominic Lohr   +2 more
wiley   +1 more source

Another type of generalized fibonacci series

open access: yesSemina: Ciências Exatas e Tecnológicas, 2004
The Fibonacci sequence, with many applications and occurrences in nature and arts is discussed in the present work. It is considered a generalization of the Fibonacci series by the introduction of a real coefficient in the recurrence relation.
Júlio Pureza, Gil Bazanini
doaj  

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