Engin Özkan

Prof. Dr. Engin Özkan

Mathematics, Marmara University, Istanbul, İstanbul, Turkey (Türkiye)
orcid
Department of Mathematics, Faculty of Science, Marmara Unive...

Research Focus & Metrics

Academic Career Length

24Years (2003-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 September 2021 in Chaos, Solitons & Fractals
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Journal Article
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SÇSongül Çelik
Songül Çelik
IDİnAn Durukan
İnAn Durukan
EÖEngin Özkan
Engin Özkan

6 April 2019 in Communications in Algebra
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Journal Article
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EÖEngin Özkan
Engin Özkan
IAİpEk Altun
İpEk Altun
In this article, we find elements of the Lucas polynomials by using two matrices. We extend the study to the n-step Lucas polynomials. Then the Lucas polynomials and their relationship are generalized in the paper. Furthermore, we give relationships between the Fibonacci polynomials and the Lucas polynomials.

27 September 2019 in Communications in Algebra
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EÖEngin Özkan
Engin Özkan
MTMerve Taştan
Merve Taştan
We define the Gauss Fibonacci polynomials. Then we give a formula for the Gauss Fibonacci polynomials by using the Fibonacci polynomials. The Gauss Lucas polynomials are described and the relation with Lucas polynomials are explained. We show that there is a relation between the Gauss Fibonacci polynomials and the Fibonacci polynomials. The Gauss Lucas polynomials are also given by using the Gauss Fibonacci polynomials. Some theorems like Cassini’s theorem are proved for the polynomials. Their Binet’s formulas are obtained. We also define the matrices of the Gauss Fibonacci polynomials and the Gauss Lucas polynomials. We examine properties of the matrices.

7 August 2020 in Asian-European Journal of Mathematics
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EÖEngin Özkan
Engin Özkan
BKBahar Kuloğlu
Bahar Kuloğlu

1 October 2003 in Applied Mathematics and Computation
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Journal Article
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EÖEngin Özkan
Engin Özkan
HAHüseyin Aydın
Hüseyin Aydın
RDRamazan Dikici
Ramazan Dikici

1 July 2024 in AIP Advances
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EÖEngin Özkan
Engin Özkan
HAHakan Akkuş
Hakan Akkuş
In this study, we define a new generalization of the Fibonacci sequence that gives the copper ratio, and we will call it the copper Fibonacci sequence. In addition, inspired by the copper Fibonacci definition, we also define copper Lucas sequences, and then we give the relationships between the terms of these sequences. We present some properties, such as the Binet formulas, special summation formulas, special generating functions, etc. We find the relationships between the roots of the characteristic equation of these sequences and the general terms of these sequences. What is interesting here is that the relationships obtained from that between the roots of the characteristic equation of these new sequences and the terms of the sequences are satisfied in both roots. In addition, we examine the relationships between these sequences with the classic Fibonacci and Lucas sequences. Moreover, we calculate some identities of these sequences, such as Cassini and Catalan. Then Catalan transformation is applied to these sequences, and their terms are found. Furthermore, we apply Hankel transform to the Catalan transform of these sequences. Besides, we associate the terms of the Hankel transformation of the Catalan copper Fibonacci sequence with the classical Fibonacci numbers and the terms of the Hankel transformation of the Catalan copper Lucas sequence with the terms of the copper Lucas sequence. We present the application of copper Fibonacci and copper Lucas sequences to hyperbolic quaternions. Finally, the terms of the copper Fibonacci and copper Lucas sequences are associated with their hyperbolic quaternion values.