• Estimation of P(X < Y) using some modifications of ranked set sampling for weibull distribution 

  Şenoğlu, Birdal (Univ Punjab, 2017)

  In statistical literature, estimation of R = P(X < Y) is a commonly-investigated problem, and consequently, there have been considerable number of studies dealing with its estimation of it under simple random sampling ...

• Inference for the jones and faddy's skewed t-distribution based on progressively type-II censored samples 

  Şenoğlu, Birdal (Gazi Üniversity, 2017)

  In this paper, the location and the scale parameters of Jones and Faddy’s skewed t (JFST) distribution are estimated based on progressively Type-II censored samples. We obtain maximum likelihood (ML) and modified maximum ...

• Inferences on stress-strength reliability based on ranked set sampling data in case of Lindley distribution 

  Akgül, Fatma Gül; Acıtaş, Şükrü; Şenoğlu, Birdal (Taylor & Francis Inc, 2018)

  In this study, we consider point and interval estimation of stress-strength reliability R = P(X < Y) based on ranked set sampling when the distribution of the stress and the strength are both Lindley. Firstly, maximum ...

• Interval estimation of the system reliability for Weibull distribution based on ranked set sampling data 

  Akgül, Fatma Gül; Şenoğlu, Birdal; Acıtaş, Şükrü (Hacettepe Univ, 2018)

  Inference for the system reliability R is one of the most popular problems in the areas of engineering, statistics, biostatistics and etc. Therefore, there exist considerable numbers of studies concerning this problem. ...

• Estimation of stress-strength reliability for weibull distribution based on type-II right censored ranked set sampling data 

  Akgül, Fatma Gül (Univ Punjab, 2018)

  In this paper, we consider the estimation of stress-strength reliability R = P (X < Y) under the type-II right censored data when the distributions of both the stress and the strength are Weibull. First, we discuss the ...

• Robust estimation of the location and the scale parameters of shifted Gompertz distribution 

  Aydın, Demet; Akgül, Fatma Gül; Şenoğlu, Birdal (Univ Studi Salento, 2018)

  In this study, we consider the estimation of the location parameter mu and the scale parameter sigma of the shifted Gompertz distribution. We obtain the closed form estimators of these parameters by using the modified ...

• Estimation of the location and the scale parameters of Burr Type XII distribution 

  Akgül, Fatma Gül; Acıtaş, Şükrü; Şenoğlu, Birdal (Ankara Universty, 2019)

  The aim of this paper is to estimate the location and the scale parameters of Burr Type XII distribution. For this purpose, different estimation methods, namely, maximum likelihood (ML), modified maximum likelihood (MML), ...

• Positive solutions for two-point conformable fractional differential equations by monotone iterative scheme 

  Toprakseven, Şuayip (Turkic World Mathematical Soc, 2021)

  In this paper, two successively iterative schemes have been provided to show the existence of nontrivial solutions for nonlinear conformable fractional differential equation involving nonlocal boundary condition and a ...

• Hartman–wintner and lyapunov-type inequalities for high order fractional boundary value problems 

  Toprakseven, Şuayip (University of Nis, 2020)

  In this paper, we obtain Hartman-Wintner and Lyapunov-type inequalities for the three-point fractional boundary value problem of the fractional Liouville-Caputo differential equation of order α ∈ (2, 3]. The results ...

• Comparison rate of convergence and data dependence for a new iteration method 

  Maldar, Samet; Atalan, Yunus; Doğan, Kadri (Tbilisi Centre Math Sci, 2020)

  In this paper, we have defined hyperbolic type of some iteration methods. The new iteration has been investigated convergence for mappings satisfying certain condition in hyperbolic spaces. It has been proved that this ...

• Reliability estimation in multicomponentstress–strength model for Topp-Leone distribution 

  Akgül, Fatma Gül (Taylor & Francis Inc, 2019)

  In this paper, we consider the estimation reliability in multicom-ponent stress-strength (MSS) model when both the stress andstrengths are drawn from Topp-Leone (TL) distribution. The max-imum likelihood (ML) and Bayesian ...

• Classical and bayesian inferences in step-stress partially accelerated life tests for inverse weibull distribution under type-I censoring 

  Akgül, Fatma Gül; Yu, Keming; Şenoǧlu, Birdal (Springer, 2020)

  This paper deals with the classical and Bayesian estimations of step-stress partially accelerated life test model under type-I censoring for the inverse Weibull lifetime distribution. In classical estimation, the maximum ...

• On Lyapunov-type inequalities for boundary value problems of fractional Caputo-Fabrizio derivative 

  Toprakseven, Şuayip (TUBITAK Scientific & Technical Research Council Turkey, 2020)

  In this study, Lyapunov-type inequalities for fractional boundary value problems involving the fractional Caputo Fabrizio differential equation with mixed boundary conditions when the fractional order of beta is an element ...

• A space-time discontinuous galerkin method for linear hyperbolic PDE's with high frequencies 

  Toprakseven, Şuayip (Ankara Üniversitesi, 2020)

  The main purpose of this paper is to describe a space-time discontinuous Galerkin (DG) method based on an extended space-time approximation space for the linear Örst order hyperbolic equation that contains a high frequency ...

• Some new results on convergence, stability and data dependence in n-normed spaces 

  Doğan, Kadri; Gürsoy, Faruk; Karakaya, Vatan; Khan, Safeer Hussain (Ankara Üniversitesi, 2020)

  We introduce a new contractive condition and a new iterativemethod innnormed space setting. We employ both of these to study con-vergence, stability, and data dependence. The results presented here extendand improve some ...

• Some fixed point results for continuous functions on an arbitrary intervals 

  Doğan, Kadri; Gürsoy, Faruk; Karakaya, Vatan (Yıldız Teknik Üniversitesi, 2019)

  In this paper, we first give a necessary and sufficient condition for convergence of Picard-S iteration process to a fixed point of continuous functions on an arbitrary interval and prove equivalence of Picard-S and ...

• Comparison of wind speed distributions: a case study for Aegean coast of Turkey 

  Akgül, Fatma Gül; Şenoğlu, Birdal (Taylor & Francis Inc, 2019)

  The determination of wind speed characteristics is extremely important forestimating the wind power output. In this context, Weibull distribution is oneof the most commonly used statistical distributions for modeling wind ...

• Inferences for stress–strength reliability of Burr Type X distributions based on ranked set sampling 

  Akgül, Fatma Gül; Şenoğlu, Birdal (Taylor & Francis Inc, 2020)

  In this study, we consider the point and interval estimation of the stress–strength reliability R = P(X < Y) based on ranked set sampling when the stress X and the strength Y are both independent Burr Type X random variables. ...

• Estimation of the system reliability for generalized inverse Lindley distribution based on different sampling designs 

  Akgül, Fatma Gül (Taylor & Francis Inc, 2019)

  In this paper, we are interested in estimating stress-strength reliability when the distributions of stress and strength are independent generalized inverse Lindley (GIL) under different sampling designs, namely, simple ...

• Some fixed point results in the generalized convex metric spaces 

  Doğan, Kadri; Gürsoy, Faruk; Karakaya, Vatan (Turkic World Mathematical Society, 2020)

  In this study, we introduce a new three step iteration process and show that the iteration process converges to the unique fixed point by two theorems under different conditions of contractive mappings on the generalized ...

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