• Graph invariants based on distance between edges and double graphs 

  Azari, Mahdieh (Işık University Press, 2024-04)

  Topological indices are numerical parameters of graph which characterize its topology and are invariant under graph isomorphism. They are applied in theoretical chemistry for the design of chemical compounds with certain ...

• Global existence of solutions for a weakly coupled system of three damped ?-evolution equations 

  Djaouti, Abdelhamid Mohammed (Işık University Press, 2024-04)

  In this paper our purpose is the study of the Cauchy problem for weakly coupled system of three semi-linear damped ?-evolution equations. Using (L? ? L²) -L² linear estimates combined with fractional Gagliardo-Nirenberg ...

• Connecting statistics, probability, algebra and discrete mathematics 

  López-Blázquez, Fernando; Núñez-Valdés, Juan; Recacha González, Silvia; Villar-Liñán, María Trinidad (Işık University Press, 2024-04)

  In this paper, we connect four different branches of Mathematics: Statistics, Probability, Algebra and Discrete Mathematics with the objective of introducing new results on Markov chains and evolution algebras obtained by ...

• Solvability of a resonant fractional-order p-Laplacian boundary value problem with two-dimensional kernel 

  Azouzi, Mounira; Elhadj, Zeraoulia; Guedda, Lamine (Işık University Press, 2024-04)

  The goal of this study is to establish the existence of solutions for a fractionalorder p-Laplacian boundary value problem with a two-dimensional kernel at resonance case. The non-linearity of this problem forced us to ...

• Some planar graphs with ten-sided faces and their metric dimension 

  Sharma, Sunny Kumar; Bhat, Vijay Kumar (Işık University Press, 2024-04)

  Let ? = (V, E) be a non-trivial planar connected graph with vertex set V and edge set E. A set of ordered vertices R from V (?) is said to be a resolving set for ? if each vertex of ? is uniquely determined by its vector ...

• Optimal management of a prey-predator system in a polluted environment with effort shared between pollution reduction and harvesting 

  Zawka, Simon Derkee; Srinivasu, Pichika D.N. (Işık University Press, 2024-04)

  This paper is concerned with the optimal management of a prey-predator system in a polluted environment with effort allocated between pollution reduction and prey harvesting. The growth rates of species and, consequently, ...

• Fitted computational method for convection dominated diffusion equations with shift arguments 

  Woldaregay, Mesfin Mekuria (Işık University Press, 2024-04)

  A time dependent singularly perturbed convection diffusion equation involving shift parameters are considered. The terms containing the shifts are treated using Taylor series approximation up to second order terms. Classical ...

• Algebraic sum and algebraic product of spherical neutrosophic sets 

  Manimaran, Angamuthu; Muthukumaran, Venkatesan; Vijaykrishnaraj, Raj; Silambarasan, I. (Işık University Press, 2024-04)

  The Spherical Neutrosophic Set is a generalization of Spherical Fuzzy Set. In this paper, we define Algebraic sum and Algebraic product of spherical neutrosophic sets (SNSs) and investigate their desirable properties. ...

• On kernel distribution function estimation near end points 

  Almi, Nassima; Sayah, Abdallah (Işık University Press, 2024-04)

  Under that so-called boundary problem on kernel cumulative distribution function estimation, the main objective of this paper is to introduce and investigate the properties of our new estimator in order to improve the ...

• Generalized q-difference equation for the generalized q-operator r?s(Dq) and its applications in q-integrals 

  Reshem, Faiz Agel; Saad, Husam Luti (Işık University Press, 2024-04)

  In 2014, Fang [12] discovered a general q-exponential operator identity by solving a q-difference equation. Fang [12] developed some generalizations of q-integrals using this q-difference equation. Reshem and Saad [20] ...

• Solving inverse partial differential equations problems by using teaching learning based optimization algorithm 

  Boroujeni, Ahmad Aliyari; Pourgholi, Reza; Tabasi, Seyed Hashem (Işık University Press, 2024-04)

  In this paper, a numerical approach is combined with teaching learning based optimization algorithm (TLBO) to solve problems of inverse partial differential equations. The most important point in the way we have presented ...

• Geodetic parameters in tree derived architectures 

  Greeni, A. Berin; Gajavalli, S. (Işık University Press, 2024-04)

  A geodetic cover of a graph G refers to a subset of vertices of G that covers all the vertices of G using the shortest paths between the vertices in the set and the cardinality of a minimum geodetic cover is the geodetic ...

• 2-ODD labeling of graphs using some graph operations 

  Pir, Ajaz Ahmad; Parthiban, Angamuthu; Singh, Kulwinder (Işık University Press, 2024-04)

  2-odd labeling assigns distinct integers to the nodes of a graph G(V, E) in such a manner, that the positive difference of adjacent nodes is either 2 or an odd integer, 2k ± 1, k ? N. So, G is a 2-odd graph if and only if ...

• Permutations with non-decreasing transposition arrays and pattern avoidance 

  Beyene, Fufa; Mantaci, Roberto (Işık University Press, 2024-04)

  We give some results about a bijection associating each permutation with a subexcedant function (i.e., a function f : [n] ? [n] such that f(i) ? i, 1 ? i ? n). This function is related to a particular decomposition of the ...

• On edge irregularity strength of ladder related graphs 

  Salma, Umme; Nagesh, Hadonahalli Mudalagiraiah (Işık University Press, 2024-04)

  For a simple graph G, a vertex labeling ? : V (G) ? {1, 2, . . . , k} is called k-labeling. The weight of an edge xy in G, written w?(xy), is the sum of the labels of end vertices x and y, i.e., w?(xy) = ?(x) + ?(y). A ...

• Binary ?ech soft closure spaces 

  Majeed, Rasha Naser (Işık University Press, 2024-04)

  In this paper the notion of binary ?ech soft closure space which is defined over two initial universe sets with fixed sets of parameters is introduced and studied. This space extends and generalizes ?ech soft closure space. ...

• On the norms of r-circulant matrices involving balancing and Lucas-balancing numbers 

  Prasad, Kalika; Kumari, Munesh; Mahato, Hrishikesh (Işık University Press, 2024-04)

  In this article, we investigate the r-circulant matrices B[r] and C[r] involving the balancing and Lucas-balancing numbers respectively with arithmetic indices. For matrices B[r] and C[r], we establish the direct formula ...

• On almost convergence of fuzzy variables 

  Kişi, Ömer; Gürdal, Mehmet; Savaş, Ekrem (Işık University Press, 2024-04)

  In this paper, within framework credibility theory, we examine several notions of convergence and almost convergence of fuzzy variable sequences. We investigate relations between these notions. Utilizing fuzzy variables, ...

• A novel simple 5D hyperchaotic system derived from the 3D Sprott C system 

  Al-Azzawi, Saad Fawzi; Sheet, Ahmed T. (Işık University Press, 2024-04)

  A novel simple 5D hyperchaotic system with two non-hyperbolic equilibria points is presented. The proposed system is designed by coupling between a 3D Sprott C system and a 2D linear system via a coupling strategy. Compared ...

• Generalization of Picture Fuzzy Matrix 

  Kavitha, M.; Murugadas, P. (Işık University Press, 2024-04)

  In this paper, we introduce the concept of k-regular Picture Fuzzy Matrix (PiFuM) as a generalization of regular matrix and investigate some basic properties of a k-Regular Picture Fuzzy Matrix (k-RPiFuM). Moreover we ...

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