Results 111 to 120 of about 255,151 (329)

On the Third-Order Jacobsthal and Third-Order Jacobsthal–Lucas Sequences and Their Matrix Representations [PDF]

, 2019
Gamaliel Cerda-Morales
openalex   +1 more source

Some arithmetic functions of factorials in Lucas sequences

, 2021
Eric F. Bravo, Jhon J. Bravo, Jhon J. Bravo, Departamento de Matemáticas, Universidad del Cauca, Calle 5 No. 4-70 Popayán, Colombia   +3 more
openalex   +2 more sources

On Diophantine equations with Fibonacci and Lucas sequences associated to Hardy-Ramanujan problem [PDF]

, 2023
Ahmet Daşdemir
openalex   +1 more source

Evaluation of a Product Intended for Microbiological Control in Animal Production, and Its Combination With Halquinol

Animal Research and One Health, EarlyView.
Activo Liquid and Halquinol inhibit Salmonella and Escherichia coli in culture media. Activo Liquid exhibits bactericidal action, whereas HA is bacteriostatic, and their combination results in positive or indifferent interactions. This combination effectively inhibits E. coli throughout digestion simulation, thus reducing the required concentrations of
Alberto Gonçalves Evangelista, Lucas dos Santos Janotto, Adriana Paula Possamai, Carolina Cini Perry, Francine Lemes Ribeiro, Rafael Canonenco de Araujo, Fernando Bittencourt Luciano   +6 more
wiley   +1 more source

On squares in Lucas sequences

Journal of Number Theory, 2007
Let P and Q be non-zero integers. The Lucas sequence U_n(P,Q) is defined by U_0=0, U_1=1, U_n= P*U_{n-1}-Q*U_{n-2} for n >1. The question of when U_n(P,Q) can be a perfect square has generated interest in the literature. We show that for n=2,...,7, U_n is a square for infinitely many pairs (P,Q) with gcd(P,Q)=1; further, for n=8,...,12, the only non-
Bremner, A., Tzanakis, N.
openaire   +3 more sources

Decision tree analysis as a preliminary evidence‐based tool for identifying the syndrome of undifferentiated recurrent fever in children compared with hereditary recurrent fevers and periodic fever, aphthosis, pharyngitis and adenitis syndrome

Arthritis &Rheumatology, Accepted Article.
Objective To develop evidence‐based criteria to classify SURF patients. Methods 112 SURF patients followed in a single tertiary referral center were analyzed. Patients with genetically confirmed hereditary recurrent fever (HRF) or with periodic fever, aphthosis, pharyngitis and adenitis (PFAPA) syndrome already analyzed for the Eurofever classification
Riccardo Papa, Francesca Bovis, Silvia Federici, Serena Palmeri, Marta Bustaffa, Giada Recchi, Roberta Bertelli, Roberta Caorsi, Stefano Volpi, Sabrina Fuehner, Veysel Cam, Anna Kozáková, Šárka Horáčková Fingerhutová, Antonella Insalaco, Dirk Foell, Seza Ozen, Isabella Ceccherini, Marco Gattorno, on behalf of the Eurofever study group for the Classification criteria of recurrent fevers and PerSAID project, Michael Hofer, Federica Vanoni, Jordi Anton, Juan Ignacio Arostegui, Karyl S. Barron, Eldad Ben‐Chetrit, Paul Brogan, Luca Cantarini, Isabella Ceccherini, Fabrizio De Benedetti, Fatma Dedeoglu, Erkan Demirkaya, Joost Frenke, Raphaela Goldbach‐Mansky, Ahmet Gul, Veronique Hentgen, Hal M. Hoffman, Tilmann Kallinich, Isabelle Koné‐Paut, Jasmin Kuemmerle‐Deschner, Helen J. Lachmann, Ronald M. Laxer, Avi Livneh, Laura Obici, Dorota Rowczenio, Ricardo Russo, Yael Shinar, Anna Simon, Natasa Toplak, Isabelle Touitou, Yosef Uziel, Marielle van Gijn, Daniel L. Kastner, Alberto Martini, Maria Pia Sormani, Nicolino Ruperto   +54 more
wiley   +1 more source

A coalition formation value for games with externalities [PDF]

The coalition formation problem in an economy with externalities can be adequately modeled by using games in partition function form (PFF games), proposed by Thrall and Lucas.
Michel Grabisch, Yukihiko Funaki
core  

Tribonacci and Tribonacci-Lucas Matrix Sequences with Negative Subscripts [PDF]

, 2018
Yüksel Soykan
openalex   +1 more source

Insights from meta‐analysis for efficient docosahexaenoic acid production in thraustochytrids through advanced cultivation and fermentation strategies

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract This systematic review examines strategies for docosahexaenoic acid (DHA) production by thraustochytrids, focusing on cultivation techniques, fermentation technologies, and carbon/nitrogen optimization to increase productivity. Among 169 eligible articles, the 100 most productive studies (0.7–10.3 g DHA L−1 per day) were analyzed. Quantitative
Jhiovana Cristielly Carrera Silva da Costa, Lucas Araújo Guimarães, Andre da Luz de Freitas, Luciana Porto de Souza Vandenberghe, Gilberto Vinícius de Melo Pereira, Carlos Ricardo Soccol, Hervé Louis Ghislain Rogez   +6 more
wiley   +1 more source

A Digital Image Confidentiality Scheme Based on Pseudo-Quantum Chaos and Lucas Sequence. [PDF]

Entropy (Basel), 2020
Butt KK, Li G, Masood F, Khan S.
europepmc   +1 more source