• Characterizations of fuzzy standard element in fuzzy lattices 

  Khubchandani, Payal Ashok; Khubchandani, Jyoti Ashok (Işık University Press, 2025-08-01)

  In this paper, we introduce the concepts of fuzzy neutral elements, fuzzy join-standard, and fuzzy meet-standard elements in fuzzy lattices. Also, we have proved the fundamental characterization theorem of fuzzy join-standard ...

• Approximate solution for multi-higher nonlinear fractional Volterra- Fredhlom Integro-Differential Equations 

  M. Hamood, Maha; Sharif, Abdulrahman A.; Ghadle, Kirtiwant P. (Işık University Press, 2025-08-01)

  In this paper finds semi-approximate solutions for nonlinear Integro-Differential Equations of fractional order (FIDEs) of the Volterra-Fredholm Hammerstein (VFH) type, where the higher-order fractional derivative is defined ...

• Complete soft semigraphs: comprehensive analysis of K m1−1,m2−1,...,mr−1 m1,m2,...,mr structures 

  George, Bobin; Jose, Jinta; Thumbakara, Rajesh K. (Işık University Press, 2025-08-01)

  Soft set theory provides a systematic approach for handling imprecision and uncertainty by categorizing elements of a set based on specific parameters. In semigraph theory, soft semigraphs utilize this approach, offering ...

• Some properties of zero-divisor graphs of direct products of finite fields 

  Gaded, Subhash Mallinath; Sai Narayana, Nithya (Işık University Press, 2025-08-01)

  This study investigates the zero-divisor graphs of the direct products of finite fields with vertex set consisting of non-zero zero divisors of the direct products of finite fields, and two distinct non-zero zero divisors ...

• Practically stability and Ulam-Hyers stability of fuzzy control Volterra Integro differential system under granular differentiability: a stability comparison 

  Özbay Elibüyük, Betül; Yakar, Coşkun (Işık University Press, 2025-08-01)

  In this study, the stability analysis of the solutions of a fuzzy control Volterra Integro differential system under granular differentiability has been examined for the first time in literature. Mainly, practical stability ...

• Nonlinear Langevin fractional differential equation with nonlocal mixed boundary conditions involving a Caputo-exponential 

  Derdar, Nedjemeddine (Işık University Press, 2025-08-01)

  In this paper, the existence and uniqueness results for a nonlinear Langevin fractional differential equation with nonlocal mixed (multipoint, fractional integral and fractional derivative) boundary conditions involving a ...

• Nonlinear Love waves in a homogeneous layer overlying a homogeneous half-space 

  Demirkuş, Dilek (Işık University Press, 2025-08-01)

  In this article, the focus is on the propagation of Love waves in a solid layer overlying a solid half-space, assuming that both layer and half-space consist of nonlinear, isotropic, homogeneous, hyper-elastic, and generalized ...

• Seidel Laplacian energy of intuitionistic fuzzy graphs 

  Atheeque, A. Mohamed; Basha, Shaik Sharief (Işık University Press, 2025-08-01)

  A graph’s energy is correlated with its spectrum,which is the sum of the latent values in the relevant adjacency matrix.We suggested various properties and the energy of the Seidel Laplacian of an intuitionistic fuzzy graph ...

• Estimates of Toeplitz determinants for certain subclasses of bi-univalent function related to modified sigmoid function 

  Padmanabhan, Vijayalakshmi; Rithika J., Sree (Işık University Press, 2025-07-01)

  The current comprehensive study aimed to determine upper bounds of Toeplitz determinants for some subclasses of bi-univalent functions. A function f ∈ A is said to be bi-univalent in ∆ if both f and f−1 are univalent in ...

• An improvement and a generalization of Ankeny and Rivlin’s result on the maximum modulus of polynomials 

  Ngamchui, Reingachan; Laishangbam, Raju; Chanam, Barchand; Thoudam, Ranaranjan (Işık University Press, 2025-07-01)

  For an arbitrary entire function f(z), let M(f, r) = max|z|=r|f(z)|. By considering the polynomial of degree n having no zero in the interior of the unit circle|z| = 1, Ankeny and Rivlin obtained M(p, R) ≤ Rn + 1/2 M(p, ...

• A study on (c, d) IF − Q uniform spectral spaces 

  Thirukumaran S.; Revathi, Govindasamy Krishnamoorthy (Işık University Press, 2025-07-01)

  A conceptual way of approach to sober space is explored by the irreducibility of closed sets and their components in topological spaces. Sober space has been defined by both generic points and the irreducibility of closed ...

• A study on upper deg-centric graphs 

  Thalavayalil, Timmy Tomy; Kok, Johan; Sudev, Naduvath K. (Işık University Press, 2025-07-01)

  The upper deg-centric graph of a simple, connected graph G, denoted by Gud, is a graph constructed from G such that V (Gud) = V (G) and E(Gud) = {vivj : dG(vi, vj ) ≥ degG(vi)}. This paper introduces and discusses the ...

• Neutrosophic over soft generalized continuous functions: a paradigm shift in best invention competition machine selection 

  Devi, R. Narmada; Parthiban, Yamini (Işık University Press, 2025-07-01)

  In today’s complex and uncertain world, the emergence of neutrosophic environments is becoming increasingly essential. These frameworks excel at navigating ambiguity, providing valuable tools for understanding and managing ...

• Equitable colorings of Cartesian products of square of paths and cycles with square of paths and cycles 

  Elumalai, Punniakoti; Parthiban, Anbanandam (Işık University Press, 2025-07-01)

  Let [p] = {1, 2, 3, . . . , p} and G be an undirected simple graph. Graph coloring is a special case of labeling, and G is said to admit a proper coloring if no two neighbouring vertices of it are given an identical color. ...

• Study of growth of certain second order linear differential equations 

  Mehra, Naveen; Pant, Garima; Chanyal, Sunil Kumar (Işık University Press, 2025-07-01)

  In this article, we study the solutions of second-order linear differential equations by considering various conditions on the coefficients of the homogeneous linear differential equation and non-homogeneous linear ...

• Extracting triple connected certified domination number for the strong product of paths and cycles 

  Mahadevan, G.; Kaviya, Selvam; Sivagnanam, Chandrasekaran (Işık University Press, 2025-07-01)

  A dominating set S of a graph G is said to be a triple connected certified dominating set (TCCD - set) if for every vertex v ∈ S, | N(v) ∩ (V − S) | ̸= 1 and ⟨S⟩ is triple connected. The minimum cardinality of a TCCD - set ...

• Multi-decomposition of complete bipartite graphs and complete graphs into banners and stars of size five 

  Jothimani, V.; Hemalatha, Palanisamy (Işık University Press, 2025-07-01)

  A decomposition of a graph G is a set of edge disjoint subgraphs H1, H2, ..., Hr of G such that every edge of G belongs to exactly one Hi. If all the subgraphs in the decomposition of G are isomorphic to a graph H, then ...

• Connected certified domination stable and critical graphs upon edge addition 

  Ilyass, Azham; Mani, Naveen; Goswami, Vishwajeet S. (Işık University Press, 2025-07-01)

  A set of vertices Dc in a connected graph Γ = (VΓ, EΓ) is called a certified dominating set if |NΓ(u) ∩ (VΓ − Dc)| is either 0 or at least 2, ∀u ∈ Dc. The set Dc is called as connected certified dominating set if |N(u) ∩ ...

• Non-explosion and pathwise uniqueness of strong solutions for jump-type stochastic differential equations driven by optional semimartingales under non-Lipschitz conditions 

  Haddadi, Mouna; Akdim, Khadija (Işık University Press, 2025-07-01)

  This paper is devoted to the question of the pathwise uniqueness and the non-explosion property of strong solutions for a class of jump-type stochastic differential equations (JSDEs) with respect to optional semimartingales ...

• On the classification of Pythagorean fuzzy subgroups of abelian groups 

  Bhunia, Supriya; Ghorai, Ganesh (Işık University Press, 2025-07-01)

  Pythagorean fuzzy set is one of the most used tool for depicting uncertainty. A divisible subgroup is among the most significant categories of subgroups of an abelian group. The number of Pythagorean fuzzy subgroups in any ...

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