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650 Results Found

  • Article
  • Open Access
7 Citations
2,824 Views
18 Pages

Generalized Arithmetic Staircase Graphs and Their Total Edge Irregularity Strengths

  • Yeni Susanti,
  • Sri Wahyuni,
  • Aluysius Sutjijana,
  • Sutopo Sutopo and
  • Iwan Ernanto

6 September 2022

Let Γ=(VΓ,EΓ) be a simple undirected graph with finite vertex set VΓ and edge set EΓ. A total n-labeling α:VΓ∪EΓ→{1,2,…,n} is called a total edge irregular labeling on Γ if for any...

(This article belongs to the Special Issue Labelings, Colorings and Distances in Graphs)
  • Article
  • Open Access
105 Citations
5,154 Views
16 Pages

Edge-Version Atom-Bond Connectivity and Geometric Arithmetic Indices of Generalized Bridge Molecular Graphs

  • Xiujun Zhang,
  • Xinling Wu,
  • Shehnaz Akhter,
  • Muhammad Kamran Jamil and ,
  • Jia-Bao Liu and
  • Mohammad Reza Farahani
  • + 1 author+ 0 author

14 December 2018

Topological indices are graph invariants computed by the distance or degree of vertices of the molecular graph. In chemical graph theory, topological indices have been successfully used in describing the structures and predicting certain physicochemi...

(This article belongs to the Special Issue Discrete Mathematics and Symmetry)
  • Feature Paper
  • Article
  • Open Access
2,827 Views
16 Pages

17 December 2020

It is known that the quasi-arithmetic means can be characterized in various ways, with an essential role of a symmetry property. In the expected utility theory, the quasi-arithmetic mean is called the certainty equivalent and it is applied, e.g., in...

(This article belongs to the Special Issue Symmetry in Functional Equations and Inequalities)
  • Article
  • Open Access
61 Citations
4,736 Views
21 Pages

18 January 2024

In this paper, an optimization approach based on an arithmetic optimization algorithm (AOA) is proposed for specifying the optimal allocation of distribution generations/generators (DGs) and capacitor banks (CBs) in radial distribution systems. The A...

  • Article
  • Open Access
6 Citations
2,480 Views
13 Pages

28 July 2021

The aim of this paper is to apply the Taylor expansion method to solve the first and second kinds Volterra integral equations with Abel kernel. This study focuses on two main arithmetics: the FPA and the DSA. In order to apply the DSA, we use the CES...

  • Article
  • Open Access
1,986 Views
15 Pages

23 September 2023

In this paper, we will explore alternative varieties of integer multiplication by modifying the product axiom of Dedekind–Peano arithmetic (PA). In addition to studying the elementary properties of the new models of arithmetic that arise, we wi...

(This article belongs to the Special Issue The Pythagorean Heritage: From Number Theory and Combinatorics to Artificial Intelligence)
  • Article
  • Open Access
4 Citations
3,416 Views
15 Pages

1 December 2023

Stochastic circuits are used in applications that require low area and power consumption. The computing performed using these circuits is referred to as Stochastic computing (SC). The arithmetic operations in this computing can be realized using mini...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
15 Citations
9,316 Views
19 Pages

Developing algebraic thinking in elementary school has gained consensus among mathematics educators. The objective of this study is to understand the developmental trajectory of early algebraic thinking in elementary school students so as to assist t...

  • Article
  • Open Access
16 Citations
2,915 Views
15 Pages

Bounds on the Arithmetic-Geometric Index

  • José M. Rodríguez,
  • José L. Sánchez,
  • José M. Sigarreta and
  • Eva Tourís

15 April 2021

The concept of arithmetic-geometric index was recently introduced in chemical graph theory, but it has proven to be useful from both a theoretical and practical point of view. The aim of this paper is to obtain new bounds of the arithmetic-geometric...

(This article belongs to the Special Issue Analytical and Computational Properties of Topological Indices)
  • Article
  • Open Access
6 Citations
1,713 Views
21 Pages

New Inequalities for GA–h Convex Functions via Generalized Fractional Integral Operators with Applications to Entropy and Mean Inequalities

  • Asfand Fahad,
  • Zammad Ali,
  • Shigeru Furuichi,
  • Saad Ihsan Butt and ,
  • Ayesha and
  • Yuanheng Wang
  • + 1 author+ 0 author

We prove the inequalities of the weighted Hermite–Hadamard type the and Hermite–Hadamard–Mercer type for an extremely rich class of geometrically arithmetically-h-convex functions (GA-h-CFs) via generalized Hadamard–Fractional...

(This article belongs to the Special Issue Fractional Integral Inequalities and Applications, 3rd Edition)
  • Article
  • Open Access
66 Citations
5,361 Views
21 Pages

On Topological Properties of Symmetric Chemical Structures

  • Muhammad Imran,
  • Muhammad Kamran Siddiqui,
  • Muhammad Naeem and
  • Muhammad Azhar Iqbal

18 May 2018

The utilizations of graph theory in chemistry and in the study of molecule structures are more than someone’s expectations, and, lately, it has increased exponentially. In molecular graphs, atoms are denoted by vertices and bonds by edges. In t...

  • Article
  • Open Access
19 Citations
2,597 Views
14 Pages

The optimal integration of photovoltaic generation systems is a challenge for distribution utilities since these devices have a direct impact on company finances due to the large amount of investment required at the beginning of the planning project....

(This article belongs to the Special Issue Power System Simulation with Renewable Power: Protection, Optimization and Control)
  • Review
  • Open Access
24 Citations
10,720 Views
21 Pages

There is still much debate about the exact nature and frequency of developmental dyscalculia, and about how it should be defined. This article examines several key questions in turn: Is developmental dyscalculia a distinct disorder, or should it be s...

(This article belongs to the Section Pediatric Neurology & Neurodevelopmental Disorders)
  • Article
  • Open Access
2 Citations
6,029 Views
31 Pages

Approximator: A Software Tool for Automatic Generation of Approximate Arithmetic Circuits

  • Padmanabhan Balasubramanian,
  • Raunaq Nayar,
  • Okkar Min and
  • Douglas L. Maskell

Approximate arithmetic circuits are an attractive alternative to accurate arithmetic circuits because they have significantly reduced delay, area, and power, albeit at the cost of some loss in accuracy. By keeping errors due to approximate computatio...

(This article belongs to the Special Issue Feature Paper in Computers)
  • Article
  • Open Access
4,294 Views
18 Pages

In this paper, we study some algebraic invariants of the edge ideal of generalized theta graphs, such as arithmetical rank, big height and height. We give an upper bound for the difference between the arithmetical rank and big height. Moreover, all C...

  • Article
  • Open Access
11 Citations
4,469 Views
18 Pages

On Degree-Based Topological Indices of Symmetric Chemical Structures

  • Jia-Bao Liu,
  • Haidar Ali,
  • Muhammad Kashif Shafiq and
  • Usman Munir

9 November 2018

A Topological index also known as connectivity index is a type of a molecular descriptor that is calculated based on the molecular graph of a chemical compound. Topological indices are numerical parameters of a graph which characterize its topology a...

(This article belongs to the Special Issue Symmetry in Graph Theory)
  • Article
  • Open Access
2 Citations
835 Views
21 Pages

Fault Location Method for Distribution Networks Based on Cluster Partitioning and Arithmetic Optimization Algorithm

  • Wanxing Sheng,
  • Xiaoyu Yang,
  • Dongli Jia,
  • Keyan Liu and ,
  • Qing Han and
  • Chengfeng Li
  • + 1 author+ 0 author

30 January 2026

The large-scale integration of Distributed Generators (DGs) has significantly altered fault characteristics in distribution networks, posing challenges to conventional fault location methods. To address these limitations, this paper presents a novel...

(This article belongs to the Special Issue Power System Optimization for Energy Storage: Methods and Applications)
  • Article
  • Open Access
3 Citations
1,800 Views
23 Pages

Pipelined Divider with Precomputed Multiples of Divisor

  • Dauren Zhexebay,
  • Symbat Mamanova,
  • Beibit Karibayev,
  • Alisher Skabylov and ,
  • Nursultan Meirambekuly,
  • Gulfeiruz Ikhsan,
  • Timur Namazbayev and
  • Sakhybay Tynymbayev
  • + 3 authors+ 0 author

25 December 2025

Division remains one of the most computationally demanding operations in digital arithmetic. Traditional algorithms, such as restoring, non-restoring, and SRT (Sweeney–Robertson–Tocher) division, are limited by sequential dependencies tha...

(This article belongs to the Section Microelectronics)
  • Article
  • Open Access
791 Views
23 Pages

9 January 2026

This study introduces a novel generalization: the generalized geometric Frank matrix, which extends the classical Frank matrix and its known variants. We systematically examine its algebraic structure, providing detailed analyses of its factorization...

(This article belongs to the Section Algebra and Number Theory)
  • Article
  • Open Access
2 Citations
5,086 Views
25 Pages

17 November 2022

The family of α-divergences including the oriented forward and reverse Kullback–Leibler divergences is often used in signal processing, pattern recognition, and machine learning, among others. Choosing a suitable α-divergence can ei...

(This article belongs to the Special Issue Machine Learning for Pattern Recognition)
  • Article
  • Open Access
5 Citations
2,483 Views
23 Pages

Arithmetic Framework to Optimize Packet Forwarding among End Devices in Generic Edge Computing Environments

  • Pedro Juan Roig,
  • Salvador Alcaraz,
  • Katja Gilly,
  • Cristina Bernad and
  • Carlos Juiz

6 January 2022

Multi-access edge computing implementations are ever increasing in both the number of deployments and the areas of application. In this context, the easiness in the operations of packet forwarding between two end devices being part of a particular ed...

(This article belongs to the Collection Intelligent Wireless Networks)
  • Article
  • Open Access
2,503 Views
13 Pages

31 July 2024

In this paper, we address the problem of the divergent sums of general arithmetic functions over the set of primes. In classical analytic number theory, the sum of the logarithm of the prime numbers plays a crucial role. We consider the sums of power...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
2 Citations
2,843 Views
22 Pages

19 February 2020

Parametric identification of the single diode model of a photovoltaic generator is a key element in simulation and diagnosis. Parameters’ values are often determined by using experimental data the modules manufacturers provide in the data sheet...

(This article belongs to the Special Issue Methods, Algorithms and Circuits for Photovoltaic Systems Diagnosis and Control)
  • Article
  • Open Access
2 Citations
1,995 Views
22 Pages

14 November 2023

Previous studies have shown that the application of the M-coder in the H.264/AVC and H.265/HEVC video coding standards allows for highly parallel implementations without decreasing maximal frequencies. Although the primary limitation on throughput, o...

(This article belongs to the Section Electronic Multimedia)
  • Article
  • Open Access
131 Views
15 Pages

25 October 2026

The moduli of the form 2n+1 belong to a class of low-cost odd moduli, which have been frequently selected to form the basis of various residue number systems (RNS). The most efficient computations modulo (mod) 2n+1 are performed using the so-called d...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
13 Citations
3,459 Views
17 Pages

9 December 2022

The cross section is the basic data for building 3D geological models. It is inefficient to draw a large number of cross sections to build an accurate model. This paper reports the use of multi-source and heterogeneous geological data, such as geolog...

(This article belongs to the Special Issue Evolutionary Computation 2022)
  • Feature Paper
  • Article
  • Open Access
65 Views
12 Pages

11 November 2026

In this paper we consider a bivariate number sequence that we call Binomiacci numbers, which is constructed from the Fibonacci sequence using the rules of construction of binomial coefficients. We obtain a bivariate generating function for the Binomi...

(This article belongs to the Section C4: Complex Analysis)
  • Article
  • Open Access
5 Citations
8,763 Views
11 Pages

27 January 2025

The rapid adoption of robotic-assisted total knee arthroplasty (RATKA) has resulted in pre-operative CT scans becoming more readily available. After the segmentation and identification of landmarks by trained segmentation specialists, the Mako SmartR...

(This article belongs to the Section Medical Research)
  • Article
  • Open Access
18 Citations
5,527 Views
20 Pages

19 October 2020

Non-Newtonian calculus naturally unifies various ideas that have occurred over the years in the field of generalized thermostatistics, or in the borderland between classical and quantum information theory. The formalism, being very general, is as sim...

(This article belongs to the Special Issue The Statistical Foundations of Entropy)
  • Article
  • Open Access
27 Citations
4,413 Views
22 Pages

Computing Degree Based Topological Properties of Third Type of Hex-Derived Networks

  • Chang-Cheng Wei,
  • Haidar Ali,
  • Muhammad Ahsan Binyamin,
  • Muhammad Nawaz Naeem and
  • Jia-Bao Liu

23 April 2019

In chemical graph theory, a topological index is a numerical representation of a chemical network, while a topological descriptor correlates certain physicochemical characteristics of underlying chemical compounds besides its chemical representation....

(This article belongs to the Special Issue Computational Methods in Analysis and Applications)
  • Article
  • Open Access
7 Citations
2,880 Views
10 Pages

In this work, the differential evolution algorithm behavior under a fixed point arithmetic is analyzed also using half-precision floating point (FP) numbers of 16 bits, and these last numbers are known as FP16. In this paper, it is considered that it...

(This article belongs to the Special Issue Numerical and Evolutionary Optimization 2020)
  • Article
  • Open Access
5 Citations
8,400 Views
25 Pages

Developing Number Sense: An Approach to Initiate Algebraic Thinking in Primary Education

  • Natividad Adamuz-Povedano,
  • Elvira Fernández-Ahumada,
  • M. Teresa García-Pérez and
  • Jesús Montejo-Gámez

2 March 2021

Traditionally, the teaching and learning of algebra has been addressed at the beginning of secondary education with a methodological approach that broke traumatically into a mathematical universe until now represented by numbers, with bad consequence...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
10 Citations
3,383 Views
16 Pages

A Hardware-Efficient Perturbation Method to the Digital Tent Map

  • Lucas Nardo,
  • Erivelton Nepomuceno,
  • Daniel Muñoz,
  • Denis Butusov and
  • Janier Arias-Garcia

Digital chaotic systems used in various applications such as signal processing, artificial intelligence, and communications often suffer from the issue of dynamical degradation. This paper proposes a solution to address this problem in the digital te...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
2,245 Views
11 Pages

Generating Even More Chaotic Instances in Hardware

  • Luis Gerardo de la Fraga and
  • Brisbane Ovilla-Martínez

It is well known that multiplication inside a computer does not follow the associative property because of roundoff effects. It is possible to use this fact to generate other different chaotic instances of chaotic maps or oscillators when a multiplic...

(This article belongs to the Special Issue Embedded and Integrated Circuits and Systems in Real Engineering Applications)
  • Article
  • Open Access
13 Citations
3,653 Views
19 Pages

Efficient FPGA Implementation of an RFIR Filter Using the APC–OMS Technique with WTM for High-Throughput Signal Processing

  • Kasarla Satish Reddy,
  • Sowmya Madhavan,
  • Przemysław Falkowski-Gilski,
  • Parameshachari Bidare Divakarachari and
  • Arun Mathiyalagan

29 September 2022

Nowadays, Finite Impulse Response (FIR) filters are used to change the attributes of a signal in the time or frequency domain. Among FIR filters, a reconfigurable filter has the advantage of changing the coefficient in real-time, while performing the...

(This article belongs to the Special Issue Embedded Systems: Fundamentals, Design and Practical Applications)
  • Article
  • Open Access
22 Citations
5,809 Views
20 Pages

Topological Properties of Crystallographic Structure of Molecules

  • Jia-Bao Liu,
  • Muhammad Kamran Siddiqui,
  • Manzoor Ahmad Zahid,
  • Muhammad Naeem and
  • Abdul Qudair Baig

5 July 2018

Chemical graph theory plays an important role in modeling and designing any chemical structure. The molecular topological descriptors are the numerical invariants of a molecular graph and are very useful for predicting their bioactivity. In this pape...

(This article belongs to the Special Issue Symmetry in Graph Theory)
  • Article
  • Open Access
14 Citations
4,881 Views
16 Pages

Topological Indices of mth Chain Silicate Graphs

  • Jia-Bao Liu,
  • Muhammad Kashif Shafiq,
  • Haidar Ali,
  • Asim Naseem and ,
  • Nayab Maryam and
  • Syed Sheraz Asghar
  • + 1 author+ 0 author

4 January 2019

A topological index is a numerical representation of a chemical structure, while a topological descriptor correlates certain physico-chemical characteristics of underlying chemical compounds besides its numerical representation. A large number of pro...

  • Article
  • Open Access
2 Citations
1,672 Views
35 Pages

2 September 2025

A hierarchical structure of isomorphic arithmetics is defined by a bijection gR:R→R. It entails a hierarchy of probabilistic models, with probabilities pk=gk(p), where g is the restriction of gR to the interval [0,1], gk is the kth iterate of g,...

(This article belongs to the Special Issue Quantum Measurement)
  • Article
  • Open Access
2 Citations
3,542 Views
21 Pages

2 November 2025

In many countries, the number line (NL) is an important tool in mathematics education to develop an understanding of numbers. However, students may have difficulties using the NL. To provide students showing NL difficulties with appropriate support,...

  • Article
  • Open Access
1 Citations
412 Views
52 Pages

25 September 2026

This paper develops a positive quadratic-form approximation for expectations of globally Lipschitz functionals of conic combinations of correlated lognormal random variables. The surrogate is constructed from the same Gaussian vector as the original...

(This article belongs to the Special Issue Advances in Mathematical Finance and Insurance)
  • Article
  • Open Access
206 Views
44 Pages

7 October 2026

Hydro-generator cooling arrays are sparsely instrumented, limiting estimation of heat-exchanger (HX) parameters from plant data for thermal modeling. This study develops and validates a 48-state quasi-linear parameter-varying (qLPV) gray-box model fo...

  • Article
  • Open Access
2 Citations
2,159 Views
17 Pages

7 March 2023

The new arithmetic operations of non-normal fuzzy sets are studied in this paper by using the extension principle and considering the general aggregation function. Usually, the aggregation functions are taken to be the minimum function or t-norms. In...

(This article belongs to the Topic Fuzzy Number, Fuzzy Difference, Fuzzy Differential: Theory and Applications)
  • Article
  • Open Access
5 Citations
3,166 Views
14 Pages

14 September 2021

In 1977, Davis et al. proposed a method to generate an arrangement of [n]={1,2,…,n} that avoids three-term monotone arithmetic progressions. Consequently, this arrangement avoids k-term monotone arithmetic progressions in [n] for k≥3. Hence, we are i...

  • Article
  • Open Access
3 Citations
4,091 Views
17 Pages

27 September 2022

A math word problems (MWPs) comprises mathematical logic, numbers, and natural language. To solve these problems, a solver model requires an understanding of language and the ability to reason. Since the 1960s, research on the design of a model that...

(This article belongs to the Special Issue New Machine Learning and Deep Learning Techniques in Natural Language Processing)
  • Article
  • Open Access
2 Citations
3,723 Views
13 Pages

21 July 2022

We consider the foundational relation between arithmetic and set theory. Our goal is to criticize the construction of standard arithmetic models as providing grounds for arithmetic truth. Our method is to emphasize the incomplete picture of both theo...

(This article belongs to the Special Issue 10th Anniversary of Axioms: Logic)
  • Article
  • Open Access
3 Citations
2,736 Views
17 Pages

Arithmetic Proficiency Across Adulthood: Cognitive and Subjective Influences

  • Elisabeth Goettfried,
  • Katharina Thaler,
  • Margarete Delazer,
  • Demis Basso and ,
  • Manuela Piazza,
  • Michael Knoflach and
  • Laura Zamarian
  • + 2 authors+ 0 author

Arithmetic competence is crucial for navigating modern society and maintaining independence. It relies on domain-general and domain-specific cognitive skills, as well as subjective factors. Given its importance, understanding how these factors shape...

  • Review
  • Open Access
1 Citations
1,178 Views
19 Pages

4 December 2025

The investigation of eye movements has been shown to provide valuable insights into a variety of cognitive processes. A limited number of recent studies have adopted eye-tracking to investigate the processes underlying simple and complex arithmetic....

  • Article
  • Open Access
1 Citations
3,094 Views
15 Pages

11 June 2021

Wu introduced the interval range of fuzzy sets. Based on this, he defined a kind of arithmetic of fuzzy sets using a gradual number and gradual sets. From the point of view of soft computing, this definition provides a new way of handling the arithme...

(This article belongs to the Special Issue Fuzzy Logic and Soft Computing – Dedicated to the Centenary of the Birth of Lotfi A. Zadeh (1921-2017))
  • Article
  • Open Access
3,664 Views
12 Pages

In this paper, we prove large deviation results for some sequences of weighted sums of random variables. These sequences have applications to the probabilistic generalized Cramér model for products of primes in arithmetic progressions; they could lea...

(This article belongs to the Special Issue Stochastic Processes with Applications)
  • Article
  • Open Access
3 Citations
4,698 Views
18 Pages

A Modular Framework for Generic Quantum Algorithms

  • Alberto Manzano,
  • Daniele Musso,
  • Álvaro Leitao,
  • Andrés Gómez and ,
  • Carlos Vázquez,
  • Gustavo Ordóñez and
  • María R. Nogueiras
  • + 2 authors+ 0 author

1 March 2022

We describe a general-purpose framework to design quantum algorithms. This framework relies on two pillars: a basic data structure called quantum matrix and a modular structure based on three quasi-independent modules. These latter include a loading...

(This article belongs to the Special Issue Quantum Computing for Industrial Applications)

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