• An efficient eighth order family of iterative method for solving systems of nonlinear equations 

  Yaseen, Saima; Zafar, Fiza (Işık University Press, 2025-09-01)

  In this paper, we analyse the underlying computational cost as well as applicability of the new iterative methods for real-life problems and illustrate that the new schemes produce approximations of greater numerical ...

• A comparative study on prime and vertex k-prime labeling of one point union of path graphs 

  Santiago, Teresa Arockiamary; Vijayalakshmi, G. (Işık University Press, 2025-09-01)

  In our study, we investigate the structure of one point union of path graphs and prove that they admit a vertex k-prime labeling. Further a study on comparison between prime and vertex k-prime labeling for one point union ...

• Availability and reliability analysis of a two-unit parallel system subject to failure and repair operating in a multi-level environment 

  Thilaka, Balakrishnan; Hemanth Kumar, Sankaralingam; Swaminathan, Udayabaskaran (Işık University Press, 2025-09-01)

  In this paper, a two-unit parallel system is considered subject to failure and repair in a multi-level environment. It is assumed that there are N levels of the environment. The failure time of any operating unit in the ...

• On the generic Cut–Point detection procedure in the Binomial Group Testing 

  Čižikovienė, Ugnė; Skorniakov, Viktor (Işık University Press, 2025-09-01)

  Initially announced by Dorfman in 1943 for medical screening, (Binomial) Group Testing (BGT) was quickly recognized as a useful probabilistic tool in many other fields: quality control, communications and networking, ...

• On (p, q)-fuzzy subgroups 

  Sivadas, Aparna; Jacob John, Sunil; T.M., Athira (Işık University Press, 2025-09-01)

  The (p, q)-fuzzy sets, which extend the concept of q-rung orthopair fuzzysets, provide a broader framework for representing uncertainty. This article introduces the concept of (p, q)-fuzzy subgroups of finite groups and ...

• Extensive error derivative review of LSTM models with sign language interpretation 

  Kar, Harapriya; Perumal, Viswanathan (Işık University Press, 2025-09-01)

  LSTM models are essential for systems that translate sign language, where the model suffers from error loss when processing data. LSTMs reduce error propagation by continuously calculating gradients, unlike traditional ...

• A novel approach on m-polar fuzzy set with Dombi power aggregation operators to solve multi-attribute decision-making problems 

  Maity, Krishna Rani; Pal, Madhumangal (Işık University Press, 2025-09-01)

  This article introduces new aggregation operators by combining Dombi and power operators, resulting in m-polar fuzzy Dombi power averaging and geometric operators, with several key properties analyzed. A novel approach is ...

• Strong incidence domination index in fuzzy incidence graphs 

  R. Nair, Kavya; M.S., Sunitha (Işık University Press, 2025-09-01)

  This article introduces the concept of the domination index in fuzzy incidence graphs (FIGs) through the use of strong incidence domination. It explores several related notions, including fuzzy incidence irredundant set, ...

• Degree sum spectra and degree sum energy of certain families of graphs 

  G. Mirajkar, Keerthi; Naikar, Roopa S.; Parvathalu, Bolle (Işık University Press, 2025-09-01)

  For any simple graph G, the degree sum matrix is defined as a matrix in which each entry represents the sum of the degrees of a pair of vertices. The degree sum energy is the absolute sum of the eigenvalues of the degree ...

• Analysis of second optional service system with a cold standby server that is reliant on the system size 

  Pikkala, Vijaya Laxmi; Gilaka, Anjalidevi (Işık University Press, 2025-09-01)

  In this article, we examine a second optional service queueing system using two types of servers, viz. the main operating server and a reliable standby server. All arriving customers receive the first essential service ...

• A study of fuzzy P-essential submodules 

  Khubchandani, Jyoti Ashok; Khubchandani, Payal Ashok (Işık University Press, 2025-09-01)

  In this paper, we introduce the concept of fuzzy P-essential submodule of an R-module M. This concept is a generalization of the concept of fuzzy essential submodule. Also, we investigate various properties of P-essential ...

• Relation-theoretic common fixed points for almost FR˜ℑ -contraction type maps in B2-metric spaces and application to nonlinear fractional differential equation 

  Kameswari, Mukkavilli Vani Rama; Radenovic, Stojan; Madhuri, M.; Bharathi, Alla (Işık University Press, 2025-09-01)

  This paper introduces a novel class of contraction mappings called ”almost FRℑ˜ -contraction type maps” in the framework of B2-metric spaces. These contractions are utilized to establish results regarding coincidence points ...

• An integral type operator on Sᵖ spaces and its essential norm 

  Safarzadeh, Mina; Hassanlou, Mostafa; Ettefagh, Mina; Charandabi, Zohre Zeynalabedini (Işık University Press, 2025-09-01)

  Given two analytic functions λ : D → D and ν : D → C and n ∈ N0, we study boundedness of the integral-type operator Cⁿλ,ν acting from derivative Hardy space into Zygmund space. We also get an approximation for the essential ...

• A new numerical method for approximation of hypersingular integrals 

  Gadjieva, Chinara (Işık University Press, 2025-09-01)

  In this paper, we investigate the construction of a new numerical method for approximating Cauchy and Hilbert hypersingular integrals, which are important in various fields such as engineering, physics, and applied mathematics ...

• Characterization for additive Weibull distribution based on progressive first failure censoring 

  Sharawy, Ali M.; EL-Sagheer, Rashad Mohamed (Işık University Press, 2025-09-01)

  In this article, we establish recurrence relations (RR) for single and product moments based on progressive first failure censoring (PFFC). Characterizations for additive Weibull distribution (AWD) using the relation between ...

• Existence of solutions for Navier problem involving (p(.), q(.))-Laplacian and (p(.), q(.))-Biharmonic operators 

  El Katit, Abdessamad; El Amrouss, Abdelrachid; Fouad, Kissi (Işık University Press, 2025-09-01)

  In the present paper, we are interested in the study of nonlinear problem driven by (p(.), q(.))-Laplacian and (p(.), q(.))-Biharmonic operators subject to Navier boundary conditions. By means of variational method and ...

• Introducing a novel subclass of harmonic functions with close-to-convex properties 

  Çakmak, Serkan; Yalçın, Sibel (Işık University Press, 2025-09-01)

  In this paper, we introduce a new subclass of close-to-convex harmonic functions. We present a sufficient coefficient condition for a function to be a member of this class. Furthermore, we establish a distortion theorem. ...

• The Szeged index of power graph of finite groups 

  Banerjee, Subarsha (Işık University Press, 2025-09-01)

  The Szeged index of a graph is an invariant with several applications in chemistry. The power graph of a finite group G is a graph having vertex set as G in which two vertices u and v are adjacent if v = uᵐ or u = vⁿ for ...

• On the secure equitable domination in graphs 

  Alex, Annie; Sangeetha, Veerasamy (Işık University Press, 2025-09-01)

  A secure equitable dominating set S of a graph G is a dominating set in which for any vertex v ∈ V (G) \ S there exists at least one vertex u ∈ S such that u ∈ Ne(v), where Ne(v) indicate the equitable neighbourhood of v, ...

• A study on bi-parametric potentials: inversion formulas utilizing wavelet-like transformations in weighted lebesgue spaces 

  Yıldız, Güldane; Kahraman, Recep; Bayrakçı, Simten (Işık University Press, 2025-08-01)

  We introduce a new family of wavelet-like transforms based on bi-parametric semigroups associated with the Laplace-Bessel differential operator. Using these transforms, we obtain new inversion formulas for bi-parametric ...

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