sherpa/romeo

 

Güncel Gönderiler

  • I-lacunary statistical convergence of weighted g via modulus functions in 2-normed spaces 

    Savaş, Ekrem; Yamancı, Ulaş; Gürdal, Mehmet (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we introduce new concepts of I-statistical convergence and I-lacunary statistical convergence using weighted density via modulus functions. Also, we study the relationship between them and obtain some ...
  • Approximation properties of Bernstein-Kantorovich type operators of two variables 

    Karahan, Döne; İzgi, Aydın (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this study, the generalized Bernstein-Kantorovich type operators are introduced and some approximation properties of these operators are studied in the space of continuous functions of two variables on a compact set ...
  • [1,2]-Complementary connected domination number of graphs-III 

    Mahadevan, G.; Renuka, K. (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    A set S⊆V(G) in a graph G is said to be [1,2]-complementary connected dominating set if for every vertex v∈V-S, 1≤|N(v)∩S|≤2 and <V-S> is connected. The minimum cardinality of [1,2]-complementary connected dominating set ...
  • On a graph of ideals of a commutative ring 

    Khoramdel, Mehdi; Atani, Shahabaddin Ebrahimi; Pishhesari, Saboura Dolati (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we introduce and investigate a new graph of a commutative ring R, denoted by G(R), with all nontrivial ideals of R as vertices, and two distinct vertices I and J are adjacent if and only if ann(I∩J)=ann(I)+ann(J). ...
  • On the limit of discrete q-Hermite I polynomials 

    Adıgüzel, Rezzan Sevinik; Turan, Mehmet; Alwhishi, Sakina (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    Bu çalışmanaın ana konusu ayrık q-Hermite I ve Hermite polinomları arasındaki limit ilişkilerini ele almaktır. Söz konusu limit durumunda ortogonal ilişkileri ve üç terim bağıntıları da sağlanmaktadır. Ayrık q-Hermite I ...
  • Mean ergodic type theorems 

    Oğuz, Gencay; Orhan, Cihan (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    Let T be a bounded linear operator on a Banach space X . Replacing the Ces\`{a}ro matrix by a regular matrix A = ( a n j ) Cohen studied a mean ergodic theorem. In the present paper we extend his result ...
  • Generalizations of some results on generalized polynomial identities 

    Eroğlu, Münevver Pınar (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    Motivated by the generalized polynomial identities in [1] and [5], our aim is to generalize some of the results in these works. Precisely, we extend the result in [1] on commuting values of the same generalized derivations ...
  • Decision making for portfolio selection by fuzzy multi criteria linear programming 

    Akbaş, Serkan; Dalkılıç, Türkan Erbay (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In daily life events, there are many complexities arising from lack of information and uncertainty. Fuzzy linear programming model has been developed to reduce or eliminate this complexity. Fuzzy linear programming is the ...
  • Algebraic structure of square matrices over residuated lattices 

    Saeid, Arsham Borumand; Eslami, E.; Balaei, S. (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we introduce the algebra Mnn(L) of square matrices over residuated lattice L. The operations are induced by the corresponding operations of L. It is shown that the defined algebra behaves like a residuated ...
  • Properties of Δ^{∗}-closed maps in topological spaces 

    Meena, K.; Arivuoli, D.; Sivakamasundari, K. (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    This paper is concerned with the introduction of a new notion of closed maps namely, Δ^{∗}-closed maps using Δ^{∗}-closed sets and the analysis of their significant properties in topological spaces. Also the nature of ...
  • C^{∗}-algebra-valued rectangular b-metric spaces and some fixed point theorems 

    Kalpana, G.; Tasneem, Z. Sumaiya (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    The concept of C^{∗}-algebra-valued rectangular b-metric spaces is introduced as a generalization of C^{∗}-algebra-valued b-metric spaces. An analogue of Banach contraction principle and Kannan's fixed point theorem is ...
  • Approximation properties of modified q-Bernstein-Kantorovich operators 

    Acu, Ana Maria; Agrawal, Purshottam; Kumar, Dharmendra (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In the present paper we define a q-analogue of the modified Bernstein-Kantorovich operators introduced by Ozarslan and Duman (Numer. Funct. Anal. Optim. 37:92-105,2016). We establish the shape preserving properties of ...
  • (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function 

    Çağlar, Murat; Orhan, Halit (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In the present investigation we discuss the neighborhoods of analytic functions defined by using modified sigmoid function. Further, we also give some applications of Jack's lemma.
  • On some approximation properties of the Gauss-Weierstrass operators 

    Yılmaz, Başar (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we present some approximation properties of the Gauss-Weierstrass operators in exponential weighted spaces including norm convergence of them and Voronovskaya and quantitative Voronovskaya-type theorems.
  • An almost orthosymmetric bilinear map 

    Yılmaz, Ruşen (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, as a generalization of the concept of pseudo-almost f-algebra, we define a new concept of almost orthosymmetric bilinear map on a vector lattice and prove that the Arens triadjoint of a positive almost ...
  • (alpha,m1,m2)-convexity and some inequalities of Hermite-Hadamard type 

    Kadakal, Huriye (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we introduce a new class of extended (alpha;m1;m2)-convex functions. Some algebraic properties of these class functions have been investigated. Some new Hermite-Hadamard type inequalities are derived. Results ...
  • Local T2 extended pseudo-quasi-semi metric spaces 

    Baran, Tesnim Meryem (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we characterize various local T₂ extended pseudo-quasi-semi metric spaces and investigate the relationships among these various forms. Finally, we give some invariance properties of these local T₂ extended ...
  • The M-polynomial of line graph of subdivision graphs 

    Mondal, Sourav; De, Nilanjan; Pal, Anita (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    Three composite graphs Ladder graph (L_{n}), Tadpole graph (T_{n,k}) and Wheel graph (W_{n}) are graceful graphs, which have different applications in electrical, electronics, wireless communication etc. In this report, ...
  • On (λ,A)-statistical convergence of order α 

    Şengül, Hacer; Koyun, Özlem (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In the paper [B. de Malafosse and V. Rakočević, Linear Algebra Appl. 420, no. 2-3, (2007), 377--387], authors defined the concept of (λ,A)-statistical convergence. In this paper, the concept of (λ,A)-statistical convergence ...
  • Position vectors of curves with recpect to Darboux frame in the Galilean space G³ 

    Şahin, Tevfik; Dirişen, Buket Ceylan (Ankara Üniversitesi Fen Fakültesi, 2019-08-01)
    In this paper, we investigate the position vector of a curve on the surface in the Galilean 3-space G³. Firstly, the position vector of a curve with respect to the Darboux frame is determined. Secondly, we obtain the ...

Daha Fazla