Matematik: Recent submissions

  • Delay induced nonlinear dynamics of oxygen-plankton interactions 
    Gokce, Aytul; Sekerci, Yadigar; Yazar, Samire (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2020)
    The present investigation deals with a generic oxygen-plankton model with constant time delays using the combinations of analytical and numerical methods. First, a two-component delayed model: the interaction between the ...
  • Porous exponential domination number of some graphs 
    Aytac, Aysun; ciftci, Canan (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)
    Let G be a graph and S subset of V(G). If n-ary sumation u is an element of S12d(u,v)-1 >= 1 for all v is an element of V(G), then S is a porous exponential dominating set for G, where d(u, v) is the distance between ...
  • Theoretical approaches on certain characterization of L-fuzzy soft modules 
    Celik, Yildiray (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)
    In this article, we give concept of L-fuzzy soft module and introduce its several related properties and structural characteristics with suitable examples. We also study on characterization of this concept by using the ...
  • Smarandache curves according to the Sabban frame belonging to spherical indicatrix curve of the Salkowski curve 
    Orturk, Burak; Senyurt, Suleyman (TBILISI CENTRE MATH SCI, A RAZMADZE MATHEMATICAL INST 1, M ALEKSIDZE ST, TBILISI, 0193, REP OF GEORGIA, 2020)
    In this study, Smarandache curves are defined according to the Sabban frame by means of the spherical indicatrix curve of the Salkowski curve. Then using these curves we calculated geodesic curvatures. Finally each curve ...
  • A study over the general formula of regression sum of squares in multiple linear regression 
    Korkmaz, Mehmet (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)
    In this study, in addition to the formula of regression sum of squares (SSR) in linear regression, a general formula of SSR in multiple linear regression is given. The derivations of the formula presented are given step ...
  • Disjunctive total domination stability in graphs 
    Ciftci, Canan (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)
    A setS subset of V(G) is a disjunctive total dominating set ofGif every vertex has a neighbor inSor has at least two vertices inSat distance two from it. The minimum cardinality of such a set is equal to the disjunctive ...
  • Hermite-Hadamard inequality for fractional integrals of Caputo-Fabrizio type and related inequalities 
    Akdemir, Ahmet Ocak; Gurbuz, Mustafa; Rashid, Saima; Set, Erhan (SPRINGER, ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES, 2020)
    In this article, firstly, Hermite-Hadamard's inequality is generalized via a fractional integral operator associated with the Caputo-Fabrizio fractional derivative. Then a new kernel is obtained and a new theorem valid for ...
  • Some inequalities obtained by fractional integrals of positive real orders 
    Gurbuz, Mustafa; Set, Erhan; Tasdan, Yakup (SPRINGER, ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES, 2020)
    The primary objective of this study is to handle new generalized Hermite-Hadamard type inequalities with the help of the Katugampola fractional integral operator, which generalizes the Hadamard and Riemann-Liouville ...
  • Quasicrystal patterns in a neural field model 
    Avitabile, Daniele; Coombes, Stephen; Gokce, Aytul (AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA, 2020)
    Doubly periodic patterns in planar neural field models have been extensively studied since the 1970s for their role in explaining geometric visual hallucinations. The study of activity patterns that lack translation ...
  • ON DOMINATED CLASSES OF HARMONIC CONVEX FUNCTIONS AND ASSOCIATED INTEGRAL INEQUALITIES 
    Akhtar, Nousheen; Awan, Muhammad Uzair; Noor, Khalida Inayat; Noor, Muhammad Aslam; Set, Erhan (YARMOUK UNIV, DEANSHIP RESEARCH & GRADUATE STUDIES, C/O PROF IBRAHIM O ABU AL-JARAYESH, EIC, IRBID, 00000, JORDAN, 2020)
    In this article, we introduce and investigate dominated classes the notion of (h, g)-harmonic convex dominated functions. As particular cases of (h, g)-harmonic convex dominated functions, we also define some other new ...
  • Optimal successive complementary expansion for singular differential equations 
    Say, Fatih (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)
    In this article, we consider a singular ordinary differential equation of a two-point boundary value problem in an asymptotic sense. We discuss the method of successive complementary expansion (SCEM) with asymptotics beyond ...
  • GRUSS TYPE INEQUALITIES FOR FRACTIONAL INTEGRAL OPERATOR INVOLVING THE EXTENDED GENERALIZED MITTAG-LEFFLER FUNCTION 
    Akdemir, Ahmet Ocak; Ozata, Filiz; Set, Erhan (MINISTRY COMMUNICATIONS & HIGH TECHNOLOGIES REPUBLIC AZERBAIJAN, BAKU STATE UNIV, INST APPLIED MATHEMATICS, Z KHALILOV STR 23, BAKU, AZ 1148, AZERBAIJAN, 2020)
    One of the best ways to generalize known inequalities is to use fractional integral operators. The purpose of this paper is to obtain new generalizations of Gruss type inequalities using fractional integral operator ...
  • Fractional Inequalities Associated With a Generalized Mittag-Leffler Function and Applications 
    Farid, Ghulam; Mubeen, Shahid; Set, Erhan (UNIV NIS, FAC SCI MATH, PO BOX 224, VISEGRADSKA 33, NIS, 18000, SERBIA MONTENEG, 2020)
    Mittag-Leffler function is very useful in the theory of fractional differential equations. Ostrowski's inequality is very important in numerical computations and error analysis of numerical quadrature rules. In this paper, ...
  • m-GEOMETRICALLY CONVEX FUNCTIONS AND HADAMARD TYPE INEQUALITIES VIA RIEMANN-LIOUVILLE INTEGRALS 
    Akdemir, Ahmet Ocak; Ozdemir, M. Emin; Set, Erhan (BAKU STATE UNIV, INST APPLIED MATHEMATICS, Z KHALILOV ST 23, BAKU, AZ 1148, AZERBAIJAN, 2020)
  • NEW INTEGRAL INEQUALITIES FOR LOGARITHMICALLY CONVEX FUNCTIONS 
    Akdemir, Ahmet Ocak; Ekinci, Alper; Set, Erhan (BAKU STATE UNIV, INST APPLIED MATHEMATICS, Z KHALILOV ST 23, BAKU, AZ 1148, AZERBAIJAN, 2020)
  • STEFFENSEN'S TYPE INEQUALITIES FOR QUASI-CONVEX FUNCTION 
    Akdemir, Ahmet Ocak; Set, Erhan (BAKU STATE UNIV, INST APPLIED MATHEMATICS, Z KHALILOV ST 23, BAKU, AZ 1148, AZERBAIJAN, 2020)
  • SOME NEW WIRTINGER TYPE INEQUALITIES FOR eta-CONVEX FUNCTIONS 
    Akdemir, Ahmet Ocak; Sahin, Eda; Set, Erhan (BAKU STATE UNIV, INST APPLIED MATHEMATICS, Z KHALILOV ST 23, BAKU, AZ 1148, AZERBAIJAN, 2020)
  • CURVES AND RULED SURFACES ACCORDING TO ALTERNATIVE FRAME IN DUAL SPACE 
    Caliskan, Abdussamet; Senyurt, Suleyman (ANKARA UNIV, FAC SCI, DOGOL CADDESI, ANKARA, 06100, TURKEY, 2020)
    In this paper, the vectorial moments of the alternative vectors are expressed in terms of altrenative frame. According to the new versions of these vectorial moments, the parametric equations of the closed ruled surfaces ...
  • ON NEW INTEGRAL INEQUALITIES USING MIXED CONFORMABLE FRACTIONAL INTEGRALS 
    Celik, Baris; Set, Erhan (ANKARA UNIV, FAC SCI, DOGOL CADDESI, ANKARA, 06100, TURKEY, 2020)
    During the past two decades or so, fractional integral operators have been one of the most important tools in the development of inequalities theory. By this means, a lot generalized intergral inequalities involving various ...
  • Disjunctive Total Domination Subdivision Number of Graphs 
    Aytac, Vecdi; Ciftci, Canan (IOS PRESS, NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS, 2020)
    A set S subset of V (G) is a disjunctive total dominating set of G if every vertex has a neighbor in S or has at least two vertices in S at distance 2 from it. The disjunctive total domination number is the minimum cardinality ...

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