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Article Neopatrimonial Rule Through Formal Institutions: The Case of Turkey(Cambridge University Press, 2025) Bektas, EdaThis study examines how formal institutions in hybrid regimes, particularly presidentialism, party organization and electoral rules, actively foster and sustain clientelistic networks, leading to particularistic outcomes. While existing literature highlights the weakening of formal institutions and pervasive clientelism as drivers of democratic breakdown, this study uses the concept of neopatrimonialism to analyse how formal institutions themselves consolidate patron-client relationships to maintain power and stability. Focusing on Turkey, the analysis demonstrates that the institutional incentive structure consolidates the president's role as the central ‘patron’, controlling resources and offices, and encourages clientelistic networks to coalesce around the presidency. The discretionary allocation of resources through patron-client relationships sustains neopatrimonial authority as long as clients' loyalty is rewarded. However, this governance increases clients' dependence on the patron, binding them at the expense of representation and responsiveness. The analysis offers insights into how such institutional configurations contribute to authoritarianism and particularistic governance in hybrid regimes. © 2025 Elsevier B.V., All rights reserved.Article Citation - WoS: 2Citation - Scopus: 1Oscillation of Impulsive Linear Differential Equations With Discontinuous Solutions(Cambridge University Press, 2023) Doǧru Akgöl,S.Sufficient conditions are obtained for the oscillation of a general form of a linear second-order differential equation with discontinuous solutions. The innovations are that the impulse effects are in mixed form and the results obtained are applicable even if the impulses are small. The novelty of the results is demonstrated by presenting an example of an oscillating equation to which previous oscillation theorems fail to apply. © The Author(s), 2022. Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc.Article Citation - WoS: 13Citation - Scopus: 17Cutting Force Prediction in Ultrasonic-Assisted Milling of Ti-6al With Different Machining Conditions Using Artificial Neural Network(Cambridge University Press, 2021) Namlu,R.H.; Turhan,C.; Sadigh,B.L.; Kiliç,S.E.Ti-6Al-4V alloy has superior material properties such as high strength-to-weight ratio, good corrosion resistance, and excellent fracture toughness. Therefore, it is widely used in aerospace, medical, and automotive industries where machining is an essential process for these industries. However, machining of Ti-6Al-4V is a material with extremely low machinability characteristics; thus, conventional machining methods are not appropriate to machine such materials. Ultrasonic-assisted machining (UAM) is a novel hybrid machining method which has numerous advantages over conventional machining processes. In addition, minimum quantity lubrication (MQL) is an alternative type of metal cutting fluid application that is being used instead of conventional lubrication in machining. One of the parameters which could be used to measure the performance of the machining process is the amount of cutting force. Nevertheless, there is a number of limited studies to compare the changes in cutting forces by using UAM and MQL together which are time-consuming and not cost-effective. Artificial neural network (ANN) is an alternative method that may eliminate the limitations mentioned above by estimating the outputs with the limited number of data. In this study, a model was developed and coded in Python programming environment in order to predict cutting forces using ANN. The results showed that experimental cutting forces were estimated with a successful prediction rate of 0.99 with mean absolute percentage error and mean squared error of 1.85% and 13.1, respectively. Moreover, considering too limited experimental data, ANN provided acceptable results in a cost-and time-effective way. Copyright © The Author(s), 2020. Published by Cambridge University Press.Article Citation - WoS: 5Citation - Scopus: 4Cyclicity of Elliptic Curves Modulo Primes in Arithmetic Progressions(Cambridge University Press, 2022) Akbal,Y.; Güloǧlu,A.M.We consider the reduction of an elliptic curve defined over the rational numbers modulo primes in a given arithmetic progression and investigate how often the subgroup of rational points of this reduced curve is cyclic. ©Conference Object Citation - Scopus: 1Systematic Generation of a 3d Dsm by Extracting Social Robot Behaviors From Literature(Cambridge University Press, 2019) Ozer,I.; Erden,Z.Social robots are in direct communication and interaction with people, thus it is important to design these robots for different needs of individuals or small groups. This has revealed the need to develop design methods for personalized or mass-individualized social robots, which are expected to respond to many different needs of people today and in the future. In this paper, a previously developed 3D DSM model is implemented in the systematic conceptual design of social robot families. The model is independent of any physical elements and based on behavioural elements as perception, cognition and motoric action. The data regarding 45 different social robots from 80 articles in the literature is used to identify these three behaviours of the existing social robots and the mutual relationships among these different behaviours are defined in order to develop a 3D DSM structure to be used as a basis for designing social robot families. The resulting novel 3D DSM is a general-purpose, basic model that can be used to identify behavioural modules to design social robot families. © 2019 Design Society. All rights reserved.
