• Title/Summary/Keyword: Lucas

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On the construction of a new topological network using Lucas-Padovan sequence (루카스-파도반 수열을 이용한 새로운 위상적 네트워크 구축)

  • Gwangyeon Lee;Jinsoo Kim;Kisoeb Park;Moonseong Kim
    • Journal of Internet Computing and Services
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    • v.24 no.1
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    • pp.27-37
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    • 2023
  • In this paper, we define a new Lucas-Padoovan sequence using the Padovan sequence, and a new topological interconnection network is constructed using it. Coding nonnegative integers using subsequences of the Lucas-Padovan sequence, and using this to construct a new Lucas-Padovan cubes to deal with topological properties.

Comparison of chest compression and ventilation volume using LUCAS and manual in virtual reality-based ambulance simulation -A manikin study- (가상실현 기반 구급차에서 루카스와 수기에 의한 가슴압박과 인공호흡 비교 -마네킨 연구-)

  • Lee, Jae-Gook;Kim, Jin-Su;Roh, Sang-Gyun
    • The Korean Journal of Emergency Medical Services
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    • v.22 no.3
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    • pp.67-76
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    • 2018
  • Purpose: The purpose of this study was to evaluate the quality of chest compressions and ventilation when using an mechanical device(LUCAS) and 2-men manual cardiopulmonary resuscitation(CPR) performed on a minikin, as well as to propose a more effective CPR method during transit. Methods: Data were collected by LUCAS and manual virtual reality based ambulance simulation. Analysis was performed using SPSS software 12.0. The average and standard deviation of chest compression depth and ventilation were analyzed using descriptive statistics and t-test. Results: In the virtual reality based LUCAS and manual CPR results, LUCAS showed better chest compression and lower incomplete chest release than manual CPR. During CPR with a chest compression-ventilation ratio of 30:2 in virtual reality ventilation with bag-valve mask was able to deliver an adequate volume of breathing. Conclusion: It is suggested that rescuers on ambulance may consider using LUCAS as an alternative to high-quality chest compression during transit.

SUM FORMULAE OF GENERALIZED FIBONACCI AND LUCAS NUMBERS

  • Cerin, Zvonko;Bitim, Bahar Demirturk;Keskin, Refik
    • Honam Mathematical Journal
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    • v.40 no.1
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    • pp.199-210
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    • 2018
  • In this paper we obtain some formulae for several sums of generalized Fibonacci numbers $U_n$ and generalized Lucas numbers $V_n$ and their dual forms $G_n$ and $H_n$ by using extensions of an interesting identity by A. R. Amini for Fibonacci numbers to these four kinds of generalizations and their first and second derivatives.

Lucas-Euler Relations Using Balancing and Lucas-Balancing Polynomials

  • Frontczak, Robert;Goy, Taras
    • Kyungpook Mathematical Journal
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    • v.61 no.3
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    • pp.473-486
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    • 2021
  • We establish some new combinatorial identities involving Euler polynomials and balancing (Lucas-balancing) polynomials. The derivations use elementary techniques and are based on functional equations for the respective generating functions. From these polynomial relations, we deduce interesting identities with Fibonacci and Lucas numbers, and Euler numbers. The results must be regarded as companion results to some Fibonacci-Bernoulli identities, which we derived in our previous paper.

REPDIGITS AS DIFFERENCE OF TWO PELL OR PELL-LUCAS NUMBERS

  • Fatih Erduvan;Refik Keskin
    • Korean Journal of Mathematics
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    • v.31 no.1
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    • pp.63-73
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    • 2023
  • In this paper, we determine all repdigits, which are difference of two Pell and Pell-Lucas numbers. It is shown that the largest repdigit which is difference of two Pell numbers is 99 = 169 - 70 = P7 - P6 and the largest repdigit which is difference of two Pell-Lucas numbers is 444 = 478 - 34 = Q7 - Q4.

NEW THEOREM ON SYMMETRIC FUNCTIONS AND THEIR APPLICATIONS ON SOME (p, q)-NUMBERS

  • SABA, N.;BOUSSAYOUD, A.
    • Journal of applied mathematics & informatics
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    • v.40 no.1_2
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    • pp.243-257
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    • 2022
  • In this paper, we present and prove an new theorem on symmetric functions. By using this theorem, we derive some new generating functions of the products of (p, q)-Fibonacci numbers, (p, q)-Lucas numbers, (p, q)-Pell numbers, (p, q)-Pell Lucas numbers, (p, q)-Jacobsthal numbers and (p, q)-Jacobsthal Lucas numbers with Chebyshev polynomials of the first kind.

GENERALIZING SOME FIBONACCI-LUCAS RELATIONS

  • Junghyun Hong;Jongmin Lee;Ho Park
    • Communications of the Korean Mathematical Society
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    • v.38 no.1
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    • pp.89-96
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    • 2023
  • Edgar obtained an identity between Fibonacci and Lucas numbers which generalizes previous identities of Benjamin-Quinn and Marques. Recently, Dafnis provided an identity similar to Edgar's. In the present article we give some generalizations of Edgar's and Dafnis's identities.