• Standard single valued neutrosophic metric spaces with application 

  Barkat, Omar; Milles, Soheyb; Latreche, Abdelkrim (Işık University Press, 2023-07)

  In recent years, J. R. Kider and Z.A. Hussain have introduced the notion of standard fuzzy metric space and some basic properties were proved. In this paper, we generalize this notion to the setting of single valued ...

• Minimum generating sets for complete graphs 

  Altınok, Selma; Dilaver, Gökçen (Işık University Press, 2023-07)

  Let G be a graph with edges labeled by ideals of a commutative ring R with identity. Such a graph is called an edge-labeled graph over R. A generalized spline is a vertex labeling so that the difference between the labels ...

• Extinction of cholera using deterministic and stochastic models incorporating vigilant human compartment 

  Adewole, Matthew Olayiwola; Izani, Ismail Ahmad; Abdullah, Farah Aini; Faniran, Taye Samuel (Işık University Press, 2023-07)

  We study the effect of vaccination, sanitation and public health sensitization as prevention and control measures of cholera in deterministic and stochastic frameworks. To achieve this, a deterministic mathematical model ...

• Coincidence point results for hybrid pair of mappings on a dislocated metric space endowed with an arbitrary binary relation 

  Kumar Mohanta, Sushanta; Biswas, Priyanka (Işık University Press, 2023-07)

  We introduce the notion of generalized S-contraction of Nadler type and prove some new coincidence point results for hybrid pair of mappings in 0-complete dislocated metric spaces endowed with an arbitrary binary relation. ...

• On the solutions of some recent open problems in metric fixed point theory 

  Taş, Nihal (Işık University Press, 2023-07)

  In this paper, our aim is to provide new solutions to some open problems given in [18] and [27] about the discontinuity at fixed point and related results. For this purpose, we prove new theorems and corollaries using ...

• Grundy coloring of middle graph of wheel graph families 

  Maragatham, R. Stella; Subramanian, Arunachalam (Işık University Press, 2023-07)

  A Grundy k-coloring of a graph G is a proper k-coloring of vertices in G using colors {1, 2, · · · , k} such that for any two colors i and j, i < j, any vertex colored j is adjacent to some vertex colored i. The First-Fit ...

• Some algebraic structure of spherical neutrosophic matrices 

  Silambarasan, I. (Işık University Press, 2023-07)

  Some_algebraic_structure_of_spherical_neutrosophic_matrices In this paper, we introduce spherical neutrosophic matrices (SNMs) as generalization of intuitionistic fuzzy matrices, Pythagorean fuzzy matrices, picture fuzzy ...

• Harmonic multivalent functions associated with a (p,q)-analogue of Ruscheweyh operator 

  Sharma, Poonam; Mishra, Omendra; Ahuja, Om; Çetinkaya, Asena (Işık University Press, 2023-07)

  The aim of this paper is to introduce and investigate a new class of harmonic multivalent functions defined by (p,q)-analogue of Ruscheweyh operator for multivalent functions. For this new class, we obtain a (p,q)-coefficient ...

• Double framed soft fuzzy bi-ideals of gamma near-rings 

  Chinnadurai, Veerappan; Venkatesan, Shakila (Işık University Press, 2023-07)

  The purpose of the article is to study about double framed soft fuzzy biideals of gamma near-ring R and their some results. We have proved that the uni-int and int-uni of double framed soft fuzzy bi-ideals of gamma near-ring ...

• The generalized q-operator r?s and its applications in q-identities 

  Saad, Husam L.; Khalaf, Sadeq M. (Işık University Press, 2023-07)

  Based on the basic hypergeometric series r?s, we construct a new generalized q-operator r?s (a1, . . . , ar b1, . . . , bs ; q, ?c?) and obtain some of its identities. Using these identities, we generalize several well-known ...

• Pair difference cordial labeling of some union of graphs 

  Ponraj, R.; Gayathri, A.; Somasundaram, S. (Işık University Press, 2023-07)

  Let G = (V, E) be a (p, q) graph. Define ? = {p/2 if p is even p?1/2 if p is odd and L = {±1, ±2, ±3, · · · , ±?} called the set of labels. Consider a mapping f : V ? L by assigning different labels in L to the different ...

• Novel possibility spherical fuzzy soft set model and its application for a decision making 

  Palanikumar, Murugan; Arulmozhi, Krishnan (Işık University Press, 2023-07)

  We talk about possibility spherical fuzzy soft set (shortly PSFS set) has much stronger ability than possibility Pythagorean fuzzy soft set (shortly PPFS set) and intuitionistic fuzzy soft set. The PSFS soft set is a ...

• Fuzzy ?-?*-homotopy and fuzzy ?-?*-covering spaces 

  Rowthri, M.; Amudhambigai, B. (Işık University Press, 2023-07)

  In this paper, the concepts of fuzzy ?-?*-homotopies and fuzzy ?-?*-path homotopies are introduced. The intend of this article is to study the concepts of ?-?*-fundamental group in a fuzzy topological space and fuzzy ...

• Dynamics, control, stability, diffusion and synchronization of modified chaotic colpitts oscillator with triangular wave non-linearity 

  K. A, Niranjan Kumar; Rasappan, Suresh; Rathinam, Narmada Devi (Işık University Press, 2022-07)

  The purpose of this paper is to introduce a new chaotic oscillator. Although different chaotic systems have been formulated by earlier researchers, only a few chaotic systems exhibit chaotic behaviour. In this work, a new ...

• Boundary value problem of Caputo fractional differential equations of variable order 

  Ahmed, Refice; Özer, Özen; Mohammed Said, Souid (Işık University Press, 2023-07)

  In this work, we investigate the existence, uniqueness and the stability of solutions to the boundary value problem (BVP) of Caputo fractional differential equations of variable order by converting it into an equivalent ...

• Application of neutrosophic Poisson probability distribution series for certain subclass of analytic univalent function 

  Awolere, Ibrahim Tunji; Oladipo, Abiodun Tinuoye (Işık University Press, 2023-07)

  Necessary and sufficient conditions for neutrosophic Poisson probability distribution series to be in the classes Mn? (?) were derived by means of coefficient inequalities. The results obtained further strengthening the ...

• Upper bounds for covering total double Roman domination 

  Mojdeh, Doost Ali; Teymourzadeh, Atieh (Işık University Press, 2023-07)

  Let G = (V, E) be a finite simple graph where V = V (G) and E = E(G). Suppose that G has no isolated vertex. A covering total double Roman dominating function (CT DRD function) f of G is a total double Roman dominating ...

• Stable algorithm for the wave equation using finite difference method 

  Loumi, Amine (Işık University Press, 2023-07)

  The numerical solution of hyperbolic equations has shown instabilities in some studies (see [2]). In this paper, we use a trick to remedy the reasons for instabilities of particular example of hyperbolic equation, namely ...

• Certain topological indices and related polynomials for polysaccharides 

  Lokesha, V.; Kulli, V. R.; Jain, Sushmitha; Maragadam, A. S. (Işık University Press, 2023-07)

  A polysaccharide is a large molecule made of many smaller monosaccharides. Monosaccharides are simple sugars, like glucose. Special enzymes bind these small monomers together creating large sugar polymers or polysaccharides. ...

• Controllability of a semilinear neutral dynamic equation on time scales with impulses and nonlocal conditions 

  Duque, Cosme; Leiva, Hugo (Işık University Press, 2023-07)

  In this paper we consider a control system governed by a neutral differential equation on time scales with impulses and nonlocal conditions. We obtain conditions under which the system is approximately controllable, on one ...

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