Browsing by Author "Kaymak, Öznur Öztunç"

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Forecasting of the Istanbul Stock Exchange (ISE) return with a golden ratio model in the epidemic of Covid-19

Kaymak, Öznur Öztunç; Kaymak, Yiğit; Özdemir, Necati (Ministry Communications & High Technologies Republic Azerbai, 2021)

A novel coronavirus called COVID-19 has spread rapidly all over the world in the recent days. This virus, which has become a global problem, has deeply affected the stock markets. This paper aims to present a new model ...
A new coding/decoding algorithm using fibonacci numbers

Taş, Nihal; Uçar, Sümeyra; Özgür, Nihal Yılmaz; Kaymak, Öznur Öztunç (World Scientific Publ Co Pte Ltd, 2018)

In this paper, we present a new method of coding/decoding algorithms using Fibonacci Q-matrices. This method is based on the blocked message matrices. The main advantage of our model is the encryption of each message matrix ...
Some remarks on the zeros of tribonacci polynomials

Kaymak, Öznur Öztunç (Etamaths Publ, 2018)

In this paper, the zeros of Tribonacci polynomials are studied. The bound containing the zeros of Tribonacci polynomials has been numerically examined with comparisons. On the other hand, a new algorithm is given so that ...