Güncel Gönderiler: Işık Üniversitesi Yayınları
Toplam kayıt 1330, listelenen: 161-180
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Vertex and edge-vertex graceful labeling on neutrosophic graphs
(Işık University Press, 2025-02-01)A graph G with gracefully numbered labels is known as graceful labeling. An intuitionistic fuzzy graph/ neutrosophic graph, which admits graceful labeling, and if all vertex labels are distinct by each membership, then the ... -
Characterizations of fuzzy ⊥-⊤ distributive lattice in fuzzy lattices
(Işık University Press, 2025-02-01)This paper introduces the notion of fuzzy ⊥-distributive lattice in fuzzy lattice. Additionally, we define the concept of fuzzy ⊥-⊤-distributive lattice in fuzzy lattice. We demonstrate that a fuzzy sectionally semi-complemented ... -
Evacuation planning problems on uniform path length network with prioritized destinations
(Işık University Press, 2025-02-01)Optimization models for evacuation with capability of holding evacuees at intermediate places are of particular interest when all the evacuees cannot be sent to the safe destination. We study the maximum flow evacuation ... -
Structural properties of signed graphs admitting Roman dominating function
(Işık University Press, 2025-02-01)A Roman dominating function(RDF) on a signed graph S = (G, σ) is a function f : V (S) → {0, 1, 2} such that (i) f(N[v]) = f(v) + ∑u∈N(v)σ(uv)f(u) ≥ 1 for every vertex v ∈ V (S) and (ii) for any vertex v with f(v) = 0 there ... -
Discretization fractional-order SEIR worm propagation model in computer networks
(Işık University Press, 2025-02-01)This model focuses on the investigation of potential worm-attacking behaviour in networked computers. Using epidemic theory, a discrete fractional order SEIR (Susceptible-Exposed-Infectious-Recovered) model is developed ... -
Reflexive edge strength of nonagon chain graph and triangle ribbon ladder graph
(Işık University Press, 2025-02-01)Let G be an undirected, simple and connected graph with vertex set V (G) and egde set E(G). An edge irregular reflexive k-labeling f is labeling such that edges labeled with integers number 1, 2, ..., ke and vertices labeled ... -
Solving higher-order fuzzy differential equations via laplace residual power series approach
(Işık University Press, 2025-02-01)In this paper, we have applied a new method called Laplace residual power series method (LRPSM) introduced by (T. Eriqate et. al. ) for solving n-order fuzzy linear differential equations. The algorithm gains powerful ... -
A numerical solution of the mathematical models for water pollution by shifted Jacobi polynomials
(Işık University Press, 2025-02-01)Water pollution is one of the most significant environmental issues in developing countries, particularly in relation to drinking water quality. Therefore, monitoring and modeling the quality of water resources is very ... -
Macwilliams identities of the linear codes over Z₄[u,v]/⟨u²,v²,uv,vu⟩
(Işık University Press, 2025-02-01)In this paper, complete weight enumerators, the symmetrized weight enumerators and the Lee weight enumerators for the linear codes over the ring S = Z₄ +uZ₄ +vZ₄, where u² = v² = uv = vu = 0 are defined. The MacWilliams ... -
Study of some evolution equations involving Riesz fractional derivative with singular initial data
(Işık University Press, 2025-02-01)The objective of this work is to study some evolution problems involving the Riesz fractional derivative with singular initial data which can be distributions. It is a question of proving the existence and uniqueness of ... -
On T and ST-coloring of n-Hypercube graph and Kragujevac tree
(Işık University Press, 2025-02-01)Let G = (V, E) denotes any graph, where V represents the vertex set and E represents the edge set. Then, T-coloring of a graph is an assignment of non-negative numbers to the vertices of a graph such that the difference ... -
Hybrid the Sine–Cosine wavelet and finite difference method for solving the nonlinear Belousov–Zhabotınsky reaction system
(Işık University Press, 2025-02-01)In this paper, a numerical method for solving the nonlinear Belousov–Zhabotinsky reaction system is proposed. The method is based on hybrid function approximations. In the solution process, the time derivative is discretized ... -
Siyasi Soğuma, Kuşku ve Apati
(Işık Üniversitesi, 2025-01)Işık Üniversitesi Uluslararası İlişkiler Bölümü bünyesinde kurulan Emotics Lab’ın (Duygular ve Siyaset) ilk raporu olan “Siyasi Soğuma, Kuşku ve Apati” başlıklı rapordur. -
Divisor equitable domination in fuzzy graphs
(Işık University Press, 2025-01)The dominance of graph theory in a number of domains, including coding theory, facility location issues, biological network modelling and bus routing, has been credited with a wide range of applications. Finding the right ... -
An innovative RNA cryptosystem using moore machine
(Işık University Press, 2025-01)RNA Cryptography plays an exciting role in research, that has capability to provide a novel approach for the secure communication in the internet from terrible assailant. This paper presents the novel technique of RNA ... -
Fault estimation based on observer for fractional-order Lu system with bifurcation problem
(Işık University Press, 2025-01)Control systems have been susceptible to faults in recent years due to the complexities of their equipment and long-term function. These faults can reduce system performance, impose losses and casualties, and/or reduce ... -
Travelling wave solutions for the time-fractional equations by the Sine-Gordon expansion method
(Işık University Press, 2025-01)The aim of this paper is to explore travelling wave solutions by utilising the novel sine-Gordon expansion method for the time-fractional (1 + 1)-dimensional Hirota Satsuma equation and the time-fractional (2 + 1) -dimensional ... -
Seidel energy of non-commuting graph for the group U6n
(Işık University Press, 2025-01)The non-commuting graph for the group G, denoted by ΓG, whose vertex set contains all group elements excluding central elements, where two distinct vertices vi and vj are adjacent whenever vivj ≠ vjvi. The non-diagonal ... -
New cryptosystem using linear combination of function and Sumudu transform with Python code
(Işık University Press, 2025-01)In today’s digital world, information protection is essential for every individual, banking sector, e-commerce, etc., which can be done through cryptography. Cryptography protects the information in such a way that ... -
Warped product of a quasi-hemi slant submanifolds with trans para Sasakian manifolds
(Işık University Press, 2025-01)In the present paper, we define and study quasi hemi-slant submanifolds as a generalization of slant submanifolds, semi-slant submanifolds and hemi-slant submanifolds for a trans para-Sasakian manifold. Further we study ...
