İktisadi ve İdari Bilimler Fakültesi
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Article Application of muntz-legendre polynomials for solving complex differential equations(Sigma Journal of Engineering and Natural Sciences, 2021) Düşünceli, Faruk; Çelik, ErcanThis paper has obtained the numerical solutions of complex differential equations using the Müntz-Legendre Polynomials. The technique was performed on test problem. Then, different technical error analyses were applied to the test problem. Finally, when exact solutions and numerical solutions were compared with tables and graphs, it was realized that our method is practical and reliable.Article Kürtlerin Avrupa Birliği'ne Yönelimi: Düşük Bilgi Düzeyi, Yüksek İdealist Beklentiler(2016) Samur, Hakan; Demirtepe,TurgutKürt sorunu sadece uzun zamandır Türkiye'nin en önemli sorunlarından biri olmakla kalmamış aynı zamanda AB üyelik süreci bakımından da her zaman en önemli gündem maddelerinin başında yer almıştır. Bu açıdan, Kürtlerin AB ile ilgili meselelerde durdukları yer ve sahip oldukları görüşler kritik değere sahiptir. Elinizdeki çalışmada, üniversite mezunu Kürtler arasında gerçekleştirilen bir alan çalışmasından hareketle; literatürde kullanılan iki ana oryantasyon moduna, farkındalık (ilgi ve bilgi) düzeyine ve sübjektif değerlendirmelere dayalı olarak Kürtlerin AB'ye oryantasyonları (yönelimleri) analiz edilmeye çalışılmıştır.Article Citation - WoS: 34Citation - Scopus: 38New exact solutions for the doubly dispersive equation using the improved Bernoulli sub-equation function method(Indian Journal of Physics, 2021) Düşünceli, Faruk; Çelik, Ercan; Askin, Muzaffer; Bulut, HasanIn this study, the doubly dispersive equation is presented by the application of the improved Bernoulli sub-equation function method (IBSEFM). The doubly dispersive equation which is a nonlinear partial differential equation is transformed into nonlinear ordinary differential equation using a wave transformation and then is solved by IBSEFM. Some new solutions are successfully constructed. All the obtained solutions in this study have been satisfied the doubly dispersive equation. In the present study, we have used Wolfram Mathematica 9 software for all of the computations and graphic plottings.Article Citation - WoS: 18Citation - Scopus: 17New Exponential and Complex Traveling Wave Solutions to the Konopelchenko-Dubrovsky Model(HINDAWI LTD, 2019) Dusunceli, FarukThe Konopelchenko-Dubrovsky (KD) system is presented by the application of the improved Bernoulli subequation function method (IBSEFM). First, The KD system being Nonlinear partial differential equations system is transformed into nonlinear ordinary differential equation by using a wave transformation. Last, the resulting equation is successfully explored for new explicit exact solutions including singular soliton, kink, and periodic wave solutions. All the obtained solutions in this study satisfy the Konopelchenko-Dubrovsky model. Under suitable choice of the parameter values, interesting two- and three-dimensional graphs of all the obtained solutions are plotted.Article Citation - WoS: 16Citation - Scopus: 20The nexus among climate change, economic growth, foreign direct investments, and financial development: New evidence from N-11 countries(Environmental Progress and Sustainable Energy, 2021) Atay Polat, Melike; Aslan, Alper; Altınöz, BuketThe aim of this article is to investigate the relationship between air pollution, economic growth, energy use, trade openness, foreign direct investment, and financial development in N-11 countries data period from 1980 to 2018. For this purpose, it is adopted the Panel Vector Autoregression (PVAR) model for the estimation of the long and short-run effects. The results suggest that although energy consumption and financial development have a negative impact on CO2 emissions, foreign direct investment leads to an increase in pollution. In addition, there is bidirectional causality between financial development and CO2 emissions and energy use, carbon dioxide emissions and energy consumption, foreign direct investments and energy consumption, and financial development and energy consumption. In addition, there is unidirectional causality from carbon dioxide emissions to GDP, from energy consumption to GDP, from foreign direct investments to CO2 emissions and GDP, from financial development to GDP. Finally, impulse-response functions indicate the validity of the EKC hypothesis in these countries.Article Citation - WoS: 3Citation - Scopus: 2On generalized weighted dynamic inequalities for diamond - ∝ integral on time scales calculus(SpringerLink, 2023) Akın, LütfiAbstract In this paper, we will prove a new version of generalized exponentially weighted dynamic inequalities of Hardy’s type for diamond / integral on time scales calculus. Our results are a new version of some published works earlier on generalized Hardy’s type integral inequalities.Article Citation - WoS: 1Citation - Scopus: 1On innovations of the multivariable fractional Hardy-type inequalities on time scales(Yıldız Teknik Üniversitesi, 2023) Akın, Lütfi; Zeren, YusufFractional integral-type inequalities, dynamic equations, integral operators and variable exponents have an important place in time scales theory and harmonic analysis. Our main goal in this study is to obtain the multivariable fractional Hardy-type integral inequality using a new version of Jensen’s inequality for super-quadratic and sub-quadratic functions on time scales with variable exponents.
