Welcome to IKU Institutional Repository


OpenAccess@IKU is Istanbul Kultur University's Institutional Repository , established in June 2014 to digitally store and provide open access to academic and artistic outputs in line with international standards and intellectual property rights. The system includes various outputs such as articles, presentations, theses, books, book chapters, reports, encyclopedias, and works of art produced by the university's faculty members and students.

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    Promoting Healthy Eating and Activity in School Children: A Quasi-Experimental Study
    (Oxford University Press, 2025) Peker, S.; Akbulut, M; Ceviker, R.; BALTACI, PELİN CİN; Tanriover, O.
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    Inequalities of the Turán-Type for the Le Roy Type's Mittag-Leffler Function
    (John Wiley and Sons Ltd, 2025) Mert Coskun, Oya; ÇETİNKAYA, ASENA; Altinkaya, Sahsene
    This paper presents the necessary and sufficient conditions for monotonicity of the Mittag-Leffler function of the Le Roy type (abbr. MLR-functions), taking into account its special place in the theory of analytic functions. Mehrez and Sitnik studied the monotonicity of the ratio of sections on the series of Mittag-Leffler function (MLF) and developed some Tur & aacute;n-type inequalities. These inequalities have a wide range of applications in understanding the analytical properties of functions. The proposed work is a study for MLR-functions. The primary objective of this study is the development of the Tur & aacute;n-type inequalities and subsequent validation of these inequalities on specific intervals. In addition, the log-convex property of this function is analyzed, and the theoretical significance of this property is elaborated.
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    Surrealist Dreams of Artificial Intelligence: Revisiting Frederick Kiesler's "Endless House"
    (Interaction Design and Architecture(s), 2025) KARABAĞ, ÇİĞDEM; Tekin, İlke
    The dream world of Surrealism bases itself on critical ways of thinking contrary to the status quo that envision new ways of life. Today, these imaginations are reflected in speculative fiction produced with artificial intelligence (AI) software. Generative AI creates visuals from text using existing digital datasets. AI-generated speculative fiction fosters critical thinking by expanding intellectual boundaries and is a remarkable innovation in human and robot collaboration. The aim in this paper is to examine AI's speculative creation processes and limits of imagination and conduct a comparative analysis through AI reproductions of surrealist spaces. This analysis involves surrealist architect Frederick Kiesler's "Endless House". This two-stage study was conducted with an exploratory case study model using generative AI applications and visual data analysis. The analysis compared the outputs of the Midjourney AI, OpenAI, Leonardo AI, and DALL-E 3 applications, and discussed the exploration process of Midjourney in detail. The findings show that AI's exploration process and limitations depend on how defined the subject is in the prompt text and the meanings and the weight in the databases of the keywords used.
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    Some Geometric Properties of the Duals of Cesàro Sequence Spaces
    (Walter de Gruyter GmbH, 2025) GÖNÜLLÜ, UĞUR
    The spaces d(s) are defined for 0 <= s <= infinity. We consider the fundamental geometric properties of the d(s) spaces, isomorphic duals of the Cesaro sequence spaces ces(r) with 1/s + 1/r =1. We prove that for 1 <= s < infinity, the Banach spaces d(s) are Radon-Riesz spaces that are not rotund or smooth. Moreover, we show that the Banach lattice d(1) has Schur's property, just as i1 does. Finally, a characterization of norm totally bounded subsets of d(1) is also given.
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    Item type:Publication, Access status: Metadata only ,