sherpa/romeo

Now showing items 1-20 of 40

    • A new lifetime distribution: transmuted exponential power distribution 

      Saraçoğlu, Buğra; Tanış, Caner (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this study, a new statistical distribution called as Transmuted Exponential Power distribution using the quadratic rank transmutation map introduced by Shaw and Buckley [23,24] is suggested. The various mathematical and ...
    • Bipolar fuzzy soft D-metric spaces 

      Dalkılıç, Orhan; Demirtaş, Naime (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The first aim to this paper is to introduce the notions of bipolar fuzzy soft metric space and bipolar fuzzy soft (D-)metric space. In order to define these concepts, the concept of bipolar fuzzy soft points has been brought ...
    • A classification of ( k , μ ) ′ -almost Kenmotsu manifolds admitting Cotton tensor 

      DEY, Dibakar; MAJHİ, Pradip (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The object of the present paper is to classify ( k , μ ) ′ -almost Kenmotsu manifolds admitting Cotton tensors. We characterize ( k , μ ) ′ -almost Kenmotsu manifolds with vanishing and parallel Cotton ...
    • Spectrum and symmetries of the impulsive difference equations 

      Bayram, Elgiz; Cebesoy, Şerifenur; Solmaz, Şeyda (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      This paper deals with the spectral analysis and symmetries of the second order difference equations with impulse. We determine a transfer matrix and this allows us to investigate the locations of eigenvalues and spectral ...
    • On almost Hurewicz property in bitopological spaces 

      CHAUHAN, Harsh Vardhan; SİNGH, Beenu (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The purpose of this paper is to investigate properties and results of the almost Hurewicz property in bitopological spaces. We characterize this property using ( i , j ) - regular open sets and almost continuous ...
    • Green's function for impulsive periodic solutions in alternately advanced and delayed differential systems and applications 

      CHİU, Kuo-shou (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper we investigate the existence of the periodic solutions of a nonlinear impulsive differential system with piecewise alternately advanced and retarded arguments, in short IDEPCAG, that is, the argument is a ...
    • Best proximity point theory on vector metric spaces 

      Şahin, Hakan (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we first give a new definition of Ω-Dedekind complete Riesz space (E,≤) in the frame of vector metric space (Ω,ρ,E) and we investigate the relation between Dedekind complete Riesz space and our new concept. ...
    • Dual-complex generalized k-Horadam numbers 

      Köme, Sure; Köme, Cahit; Yazlık, Yasin (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The purpose of this paper is to provide a broad overview of the generalization of the various dual-complex number sequences, especially in the disciplines of mathematics and physics. By the help of dual numbers and ...
    • Hermite-Hadamard-Fejér inequalities for double integrals 

      Budak, Hüseyin; Sarıkaya, Mehmet Zeki (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we first obtain Hermite-Hadamard-Fejer inequalities for co-ordinated convex functions in a rectangle from the plane R2. Moreover, we give the some refinement of these obtained Hermite-Hadamard-Fejer inequalities ...
    • Statistical extension of bounded sequence space 

      Altınok, Maya; Küçükaslan, Mehmet; Kaya, Umutcan (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper by using natural density real valued bounded sequence space l ∞ is extented and statistical bounded sequence space l s t ∞ is obtained. Besides the main properties of the space l s t ∞ , it ...
    • Bivariate Bernstein polynomials that reproduce exponential functions 

      Bozkurt, Kenan; Özsaraç, Fırat; Aral, Ali (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we construct Bernstein type operators that reproduce exponential functions on simplex with one moved curved side. The operator interpolates the function at the corner points of the simplex. Used function ...
    • Differential geometric aspects of nonlinear Schrödinger equation 

      Erdoğdu, Melek; Yavuz, Ayşe (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The main scope of this paper is to examine the smoke ring (or vortex filament) equation which can be viewed as a dynamical system on the space curve in E³. The differential geometric properties the soliton surface accociated ...
    • An approach for designing a surface pencil through a given geodesic curve 

      Atalay, Günnur Şaffak; Güler, Fatma; Bayram, Ergin; Kasap, Emin (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In the present paper, we propose a new method to construct a surface interpolating a given curve as the geodesic curve of it. Also, we analyze the conditions when the resulting surface is a ruled surface. In addition, ...
    • Natural and conjugate mates of Frenet curves in three-dimensional Lie group 

      Mak, Mahmut (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this study, we introduce the natural mate and conjugate mate of a Frenet curve in a three dimensional Lie group G with bi-invariant metric. Also, we give some relationships between a Frenet curve and its natural ...
    • Medical model estimation with particle swarm optimization 

      Sarı, Murat; Ahmad, Arshed; Uslu, Hande (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, a nonlinear medical model based on observational variables has been produced and the particle swarm optimization (PSO) technique, which is an effective technique to predict optimum parameters of the biomedical ...
    • On exponential type P-functions 

      Numan, Selim; İşcan, İmdat (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we introduce and study the concept of exponential type P-function and establish Hermite-Hadamard's inequalities for this type of functions. In addition, we obtain some new Hermite-Hadamard type inequalities ...
    • Best proximity point theorems for proximal b-cyclic contractions on b-metric spaces 

      Aslantaş, Mustafa (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we first introduce a new notion of the property (M_{C}) to improve and generalize the property (G_{C}). After that, we present two new concepts, proximal b-cyclic contraction of first type and second type, ...
    • Intuitionistic fuzzy hypersoft sets 

      Yolcu, Adem; SMARANDACHE, Florentin; Öztürk, Taha Yasin (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, a new environment namely, intuitionistic fuzzy hypersoft set (IFHSS) is defined. We introduce some fundamental operators of intuitionistic fuzzy hypersoft sets such as subset, null set, absolute set, complement, ...
    • Set operators and associated functions 

      Modak, Shyamapada; Selim, Sk (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      The study of two operators local function and the set operator ψ on the ideal topological spaces are likely to be same to the study of closure and interior operator of the topological spaces. However, they are not ...
    • Lump-type solutions of a new extended (3+1)-dimensional nonlinear evolution equation 

      Yıldırım, Yakup; Yaşar, Emrullah (Ankara Üniversitesi Fen Fakültesi, 2021-06-30)
      In this paper, we study lump-type solutions to a new extended (3+1)-dimensional nonlinear evolution equation which appears in the field of wave propagation in the nonlinear systems. We generate these types of solutions by ...