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7,779 Results Found

  • Review
  • Open Access
8 Citations
1,828 Views
52 Pages

10 January 2025

This paper presents an extensive investigation into several interrelated topics in mathematical analysis and number theory. The author revisits and builds upon known results regarding the Maclaurin power series expansions for a variety of functions a...

(This article belongs to the Section C1: Difference and Differential Equations)
  • Feature Paper
  • Article
  • Open Access
8 Citations
2,735 Views
9 Pages

8 February 2020

Focusing on risky decision-making problems taking the interval number of normal distribution as the information environment, this paper proposes a decision-making method based on the interval number of normal distribution. Firstly, the normalized mat...

  • Article
  • Open Access
4 Citations
2,898 Views
20 Pages

13 November 2023

This paper proposes a method for ranking generalized fuzzy numbers, which guarantees that both horizontal and vertical values are important parameters affecting the final ranking score. In this method, the normalized height coefficient is introduced...

(This article belongs to the Special Issue Recent Advances in Fuzzy Sets and Related Topics)
  • Article
  • Open Access
1 Citations
1,301 Views
19 Pages

24 January 2026

Normal shock pressure ratios in equilibrium air for Mach numbers up to 30 and altitudes to 300,000 feet are shown to be correlated by a simple power law which provides an accuracy of ±2%, thereby permitting direct calculation of corresponding...

(This article belongs to the Section Aeronautics)
  • Article
  • Open Access
391 Views
17 Pages

23 April 2026

In this article, in order for the minimal operator generated by the first-order differential-operator expression in the weighted Hilbert space of vector functions in the finite interval to be formal normal, the relationship between the variable opera...

(This article belongs to the Section C: Mathematical Analysis)
  • Article
  • Open Access
30 Citations
4,826 Views
10 Pages

26 May 2017

The normal distribution is a usual one of various distributions in the real world. A normal neutrosophic set (NNS) is composed of both a normal fuzzy number and a neutrosophic number, which a significant tool for describing the incompleteness, indete...

(This article belongs to the Special Issue Fuzzy Techniques for Decision Making)
  • Article
  • Open Access
24 Citations
4,607 Views
28 Pages

3 November 2017

Normal intuitionistic fuzzy numbers (NIFNs), which combine the normal fuzzy number (NFN) with intuitionistic number, can easily express the stochastic fuzzy information existing in real decision making, and power-average (PA) operator can consider th...

  • Article
  • Open Access
6 Citations
9,696 Views
15 Pages

The capability of flapping wings to generate lift is currently evaluated by using the lift coefficient C ¯ L , a dimensionless number that is derived from the basal equation that calculates the steady-state lift coefficient CL for fixed wi...

(This article belongs to the Special Issue Flapping Wings)
  • Article
  • Open Access
1 Citations
4,255 Views
15 Pages

23 May 2018

The aim of this study is to numerically analyze spatial behaviors of solute particle transport in a single fracture with spatially correlated variable apertures under application of effective normal stress conditions. The numerical results show that...

(This article belongs to the Special Issue Water Resources Investigation: Geologic Controls on Groundwater Flow)
  • Article
  • Open Access
1 Citations
262 Views
26 Pages

29 September 2026

Building on recent approaches to generalized Berezin norms by by Albeladi, Feki, and Taha, this paper establishes several refined upper bounds for the A-normalized Berezin number and its associated seminorms for finite operator sums in reproducing ke...

(This article belongs to the Special Issue Operator Theory and Related Topics)
  • Review
  • Open Access
3 Citations
3,646 Views
12 Pages

15 August 2024

Recent evidence suggests that physiologically normal skin harbors pervasive mutant clones with cancer drivers. Normal skin has the highest burden of somatic mutations due to persistent ultraviolet exposure throughout life. The mutation burden exponen...

(This article belongs to the Section Dermatology)
  • Article
  • Open Access
2,923 Views
19 Pages

Generalization of Neural Networks on Second-Order Hypercomplex Numbers

  • Stanislav Pavlov,
  • Dmitry Kozlov,
  • Mikhail Bakulin,
  • Aleksandr Zuev and ,
  • Andrey Latyshev and
  • Alexander Beliaev
  • + 1 author+ 0 author

19 September 2023

The vast majority of existing neural networks operate by rules set within the algebra of real numbers. However, as theoretical understanding of the fundamentals of neural networks and their practical applications grow stronger, new problems arise, wh...

(This article belongs to the Special Issue New Trends in Numerics and Dynamics of Artificial Neural Networks: Theory and Applications)
  • Feature Paper
  • Article
  • Open Access
1 Citations
2,366 Views
16 Pages

An Upper Bound for Locating Strings with High Probability Within Consecutive Bits of Pi

  • Víctor Manuel Silva-García,
  • Manuel Alejandro Cardona-López and
  • Rolando Flores-Carapia

19 January 2025

Numerous studies on the number pi (π) explore its properties, including normality and applicability. This research, grounded in two hypotheses, proposes and proves a theorem that employs a Bernoulli experiment to demonstrate the high probability o...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
48 Citations
6,369 Views
11 Pages

1 September 2017

Linguistic neutrosophic numbers (LNN) is presented by Fang and Ye in 2017, which can describe the truth, falsity, and indeterminacy linguistic information independently. In this paper, the LNN and the Bonferroni mean operator are merged together to p...

  • Article
  • Open Access
3 Citations
3,936 Views
19 Pages

6 August 2018

For multiple attribute decision making, ranking and information aggregation problems are increasingly receiving attention. In a normal neutrosophic number, the ranking method does not satisfy the ranking principle. Moreover, the proposed operators do...

(This article belongs to the Special Issue Multiple-Criteria Decision-Making (MCDM) Techniques for Business Processes Information Management)
  • Article
  • Open Access
15 Citations
2,626 Views
15 Pages

5 August 2024

In the paper, (1) in view of a general formula for any derivative of the quotient of two differentiable functions, (2) with the aid of a monotonicity rule for the quotient of two power series, (3) in light of the logarithmic convexity of an elementar...

(This article belongs to the Special Issue Symmetries of Difference Equations, Special Functions and Orthogonal Polynomials II)
  • Article
  • Open Access
24 Citations
4,305 Views
26 Pages

22 November 2019

Q-rung orthopair fuzzy set (q-ROFS) is a powerful tool to describe uncertain information in the process of subjective decision-making, but not express vast objective phenomenons that obey normal distribution. For this situation, by combining the q-RO...

  • Article
  • Open Access
25 Citations
8,902 Views
17 Pages

24 November 2016

Land surface characteristics, including soil type, terrain slope, and antecedent soil moisture, have significant impacts on surface runoff during heavy precipitation in highly urbanized areas. In this study, a Linear Spectral Mixture Analysis (LSMA)...

  • Article
  • Open Access
1 Citations
2,551 Views
18 Pages

9 March 2022

In this paper, we study limit theorems for numbers satisfying a class of triangular arrays, which are defined by a bivariate linear recurrence with bivariate linear coefficients. We obtain analytical expressions for the semi-exponential generating fu...

  • Article
  • Open Access
43 Citations
4,275 Views
17 Pages

Sustainable Cloud Service Provider Development by a Z-Number-Based DNMA Method with Gini-Coefficient-Based Weight Determination

  • Han Lai,
  • Huchang Liao,
  • Jonas Šaparauskas,
  • Audrius Banaitis and ,
  • Fernando A. F. Ferreira and
  • Abdullah Al-Barakati
  • + 1 author+ 0 author

22 April 2020

The sustainable development of cloud service providers (CSPs) is a significant multiple criteria decision making (MCDM) problem, involving the intrinsic relations among multiple alternatives, (quantitative and qualitative) decision criteria and decis...

(This article belongs to the Special Issue Multiple Criteria Decision Making for Sustainable Development)
  • Article
  • Open Access
3 Citations
2,247 Views
9 Pages

Formulation of Strain Fatigue Criterion Based on Complex Numbers

  • Tadeusz Łagoda,
  • Karolina Głowacka,
  • Marta Kurek and
  • Dariusz Skibicki

5 March 2021

In the case of many low-cycle multiaxial fatigue criteria, we encounter a mathematical problem of adding vectors of normal and shear strains. Typically, the problem of defining an equivalent strain is solved by weighting factors. Unfortunately, this...

(This article belongs to the Section Advanced Materials Characterization)
  • Article
  • Open Access
461 Views
10 Pages

Analytic Aspects of Weighted Delannoy Numbers

  • Lei Chen,
  • Yu-Yang Zhang and
  • Hao Pan

19 March 2026

The weighted Delannoy number D(a,b,c)(h,k) is a weighted generalization of the Delannoy number. We show that all zeros of the polynomial dn(a,b,c)(x):=∑k=0nD(a,b,c)(n−k,k)xk are real, distinct and lying in the open interval (−(ab+c+c)...

(This article belongs to the Special Issue Advances in Combinatorics, Discrete Mathematics and Graph Theory, 2nd Edition)
  • Article
  • Open Access
651 Views
9 Pages

Suppose that T is a normal spanning tree (depth-first search tree) of a graph G. If e=xy and e′=uv are edges of G, satisfying x≺Tu≺Ty≺Tv, then they are called secant edges of G with respect to T. Suppose that G has no secant e...

(This article belongs to the Topic Exploration of Graph Theory and Discrete Optimization)
  • Article
  • Open Access
562 Views
39 Pages

4 June 2026

Calculating the number of spanning trees in a graph is a crucial problem in combinatorics and physics that has been thoroughly researched for many years by mathematicians and physicists. The higher the quality and perfection of the network, the great...

(This article belongs to the Special Issue Advances in Combinatorics, Discrete Mathematics and Graph Theory, 2nd Edition)
  • Article
  • Open Access
9 Citations
3,752 Views
19 Pages

Tumor Predisposing Post-Zygotic Chromosomal Alterations in Bladder Cancer—Insights from Histologically Normal Urothelium

  • Wiktoria Stańkowska,
  • Daniil Sarkisyan,
  • Bożena Bruhn-Olszewska,
  • Katarzyna Duzowska and ,
  • Michał Bieńkowski,
  • Marcin Jąkalski,
  • Magdalena Wójcik-Zalewska,
  • Hanna Davies,
  • Kinga Drężek-Chyła and
  • Jan P. Dumanski
  • + 23 authors+ 18 authors

27 February 2024

Bladder urothelial carcinoma (BLCA) is the 10th most common cancer with a low survival rate and strong male bias. We studied the field cancerization in BLCA using multi-sample- and multi-tissue-per-patient protocol for sensitive detection of autosoma...

(This article belongs to the Section Cancer Biomarkers)
  • Article
  • Open Access
8 Citations
3,543 Views
15 Pages

26 November 2021

In the present work, we study the normal shock wave flow problem using a combination of the OBurnett equations and the Holian conjecture. The numerical results of the OBurnett equations for normal shocks established several fundamental aspects of the...

(This article belongs to the Special Issue Rarefied Gas Dynamics)
  • Article
  • Open Access
492 Views
49 Pages

Mathematical Modeling, Sensitivity Analysis, and Comparative Evaluation of Height Systems in Engineering, Geodetic, and Cartographic Applications: A Romania-Oriented Computational Study

  • Gabriel Bădescu,
  • Mihail Susinski,
  • Cristian Vasile,
  • Petre Săvescu and ,
  • Emilia Constantinescu,
  • Gabriel Tănasie,
  • Nicolae Dima,
  • Larisa-Ofelia Filip,
  • Adrian Savu and
  • Caius Didulescu
  • + 5 authors+ 0 author

16 July 2026

Height systems form a mathematical interface between physical geodesy, engineering surveying, and digital cartography. Although satellite positioning efficiently provides ellipsoidal heights, practical infrastructure, mapping, hydrological, and monit...

(This article belongs to the Section C1: Difference and Differential Equations)
  • Article
  • Open Access
6 Citations
3,594 Views
12 Pages

We combine infectious disease transmission and the non-pharmaceutical (NPI) intervention response to disease incidence into one closed model consisting of two coupled delay differential equations for the incidence rate and the time-dependent reproduc...

  • Article
  • Open Access
6 Citations
4,950 Views
26 Pages

Bootstrapping Not Independent and Not Identically Distributed Data

  • Martin Hrba,
  • Matúš Maciak,
  • Barbora Peštová and
  • Michal Pešta

9 December 2022

Classical normal asymptotics could bring serious pitfalls in statistical inference, because some parameters appearing in the limit distributions are unknown and, moreover, complicated to estimated (from a theoretical as well as computational point of...

(This article belongs to the Special Issue Probability Distributions and Their Applications)
  • Article
  • Open Access
7 Citations
3,135 Views
17 Pages

Experimental Investigation of Grout Nonlinear Flow Behavior through Rough Fractures

  • Yuhao Jin,
  • Lijun Han,
  • Changyu Xu,
  • Qingbin Meng and ,
  • Zhenjun Liu and
  • Yijiang Zong
  • + 1 author+ 0 author

14 October 2019

This research experimentally analyzed the impacts of various water cement (W/C) ratios of ultrafine cement grout material and normal loads FN applied to fractures on grout nonlinear flow behavior through a rough plexiglass fractured sample. An effect...

(This article belongs to the Special Issue Advances in Experimental and Theoretical Studies of Fluid Flow and Solute Transport in Porous Media)
  • Article
  • Open Access
32 Citations
4,884 Views
16 Pages

Spatial Distribution and Variation Characteristics of Permafrost Temperature in Northeast China

  • Wei Shan,
  • Chengcheng Zhang,
  • Ying Guo,
  • Lisha Qiu and ,
  • Zhichao Xu and
  • Yan Wang
  • + 1 author+ 0 author

4 July 2022

Frozen soil is an important environmental factor in cold regions. Warming climate will increase the risk of permafrost thawing, i.e., accelerated carbon release, reduced super-frozen soil water, intensified desertification and destruction of infrastr...

(This article belongs to the Section Hazards and Sustainability)
  • Feature Paper
  • Article
  • Open Access
24 Citations
4,012 Views
34 Pages

1 June 2018

Hamacher operation is a generalization of the algebraic and Einstein operation and expresses a family of binary operation in the unit interval [0,1]. Heronian mean can deal with correlations of different criteria or input arguments and does not bring...

  • Article
  • Open Access
15 Citations
6,052 Views
10 Pages

16 February 2016

There are a great amount of brownfield in Chinese mining cities. In order to promote mining cities sustainable development, it is necessary to redevelop brownfield. There is a great deal of uncertainty in the process of brownfield redevelopment owing...

(This article belongs to the Special Issue Sustainable Governance in Northeast Asia: Challenges for Innovation Frontier)
  • Article
  • Open Access
17 Citations
3,528 Views
19 Pages

Numerical Analysis of Electrohydrodynamic Flow in a Circular Cylindrical Conduit by Using Neuro Evolutionary Technique

  • Naveed Ahmad Khan,
  • Muhammad Sulaiman,
  • Carlos Andrés Tavera Romero and
  • Fawaz Khaled Alarfaj

19 November 2021

This paper analyzes the mathematical model of electrohydrodynamic (EHD) fluid flow in a circular cylindrical conduit with an ion drag configuration. The phenomenon was modelled as a nonlinear differential equation. Furthermore, an application of arti...

(This article belongs to the Special Issue Computational Fluid Dynamics (CFD) 2021)
  • Article
  • Open Access
10 Citations
4,181 Views
25 Pages

2 November 2018

Uncertainty should be taken into account when establishing multiobjective task assignment models for multiple unmanned combat aerial vehicles (UCAVs) due to errors in the target information acquired by sensors, implicit preferences of the commander f...

(This article belongs to the Special Issue Multi-Criteria Decision Aid methods in fuzzy decision problems)
  • Article
  • Open Access
2 Citations
1,224 Views
41 Pages

Reliable operation of marine equipment is crucial for ensuring vessel performance and safeguarding the safety of personnel and the marine environment. However, the complexity of evaluation criteria and the subjectivity inherent in expert judgments po...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
5 Citations
2,192 Views
12 Pages

Ovarian Morphology in Non-Hirsute, Normo-Androgenic, Eumenorrheic Premenopausal Women from a Multi-Ethnic Unselected Siberian Population

  • Ludmila Lazareva,
  • Larisa Suturina,
  • Alina Atalyan,
  • Irina Danusevich and ,
  • Iana Nadelyaeva,
  • Lilia Belenkaya,
  • Irina Egorova,
  • Kseniia Ievleva,
  • Natalia Babaeva and
  • Ricardo Azziz
  • + 7 authors+ 2 authors

Polycystic ovary syndrome (PCOS) is a highly prevalent disorder in women, and its diagnosis rests on three principal features: ovulatory/menstrual dysfunction, clinical and/or biochemical hyperandrogenism, and polycystic ovarian morphology (PCOM). Cu...

(This article belongs to the Section Medical Imaging and Theranostics)
  • Article
  • Open Access
6 Citations
2,797 Views
19 Pages

5 April 2025

Background/Objectives: Codon usage bias affects gene expression and translation efficiency across species. The effective number of codons (ENC) and GC content influence codon preference, often displaying unimodal or bimodal distributions. This study...

(This article belongs to the Section Molecular Genetics and Genomics)
  • Article
  • Open Access
1 Citations
307 Views
20 Pages

Parallelism and Rigorous Bounds for the A-Normalized Davis–Wielandt Berezin Number

  • Amlak I. Alajlan,
  • Mesfer H. Alqahtani,
  • Kais Feki and
  • Hala H. Taha

11 September 2026

In this paper, we introduce and study the A-normalized Davis–Wielandt Berezin number for bounded linear operators on a reproducing kernel Hilbert space. Suppose that the space is equipped with a positive semi-inner product induced by a non-zero...

  • Article
  • Open Access
38 Citations
4,661 Views
23 Pages

2 July 2022

Under the influence of climate change and human activities, the southern boundary of the permafrost region in Northeast China, which is located at the southern edge of the permafrost area of Eurasia, has moved north, the surface temperature has incre...

  • Article
  • Open Access
11 Citations
3,948 Views
15 Pages

28 March 2019

The normalized Laplacian plays an important role on studying the structure properties of non-regular networks. In fact, it focuses on the interplay between the structure properties and the eigenvalues of networks. Let H n be the linear heptag...

(This article belongs to the Special Issue Graph-Theoretic Problems and Their New Applications)
  • Article
  • Open Access
570 Views
20 Pages

30 July 2026

Electrohydrodynamic emission from a sessile droplet depends on a coupled balance among electric traction, capillarity, gravity, charge transport and liquid motion. The present work addresses only the electrostatic-loading part of that problem. Verifi...

(This article belongs to the Special Issue Advanced Developments in Droplet Microfluidics)
  • Article
  • Open Access
3 Citations
5,767 Views
21 Pages

15 February 2019

An extant bird resorts to flapping and running along its take-off run to generate lift and thrust in order to reach the minimum required wing velocity speed required for lift-off. This paper introduces the replication hypothesis that posits that the...

(This article belongs to the Special Issue Bio-Inspired Aerospace System)
  • Brief Report
  • Open Access
38 Citations
5,113 Views
10 Pages

From Normal to Obesity and Back: The Associations between Mitochondrial DNA Copy Number, Gender, and Body Mass Index

  • Daria Skuratovskaia,
  • Larisa Litvinova,
  • Maria Vulf,
  • Pavel Zatolokin and ,
  • Konstantin Popadin and
  • Ilia Mazunin
  • + 1 author+ 0 author

9 May 2019

Mitochondrial DNA (mtDNA) encodes core subunits of oxidative phosphorylation complexes and, as a result of intricate regulatory crosstalk between nuclear and mitochondrial genomes, the total number of mtDNA copies fits the requirements of each cell t...

(This article belongs to the Section Intracellular and Plasma Membranes)
  • Article
  • Open Access
10 Citations
1,755 Views
11 Pages

8 December 2024

In the study, the authors introduce Qi’s normalized remainder of the Maclaurin power series expansion of the function lnsecx=−lncosx; in view of a monotonicity rule for the ratio of two Maclaurin power series and by virtue of the logarith...

(This article belongs to the Special Issue New Theory and Applications of Nonlinear Analysis, Fractional Calculus and Optimization, 2nd Edition)
  • Article
  • Open Access
1 Citations
2,265 Views
21 Pages

22 November 2023

In this paper we study the Marcinkiewicz–Zygmund-type strong law of large numbers with general normalizing sequences under sublinear expectation. Specifically, we establish complete convergence in the Marcinkiewicz–Zygmund-type strong law...

(This article belongs to the Section E5: Financial Mathematics)
  • Opinion
  • Open Access
5 Citations
3,304 Views
8 Pages

This article discusses current methods for ranking researchers and proposes a new metric, the output-normalized score (OnS), which considers the number of publications, citations, coauthors, and the author’s position within each publication. Th...

  • Article
  • Open Access
1 Citations
2,471 Views
16 Pages

High-Performance Lightweight HLS Generator Module of Normally Distributed Random Numbers in FPGAs

  • Tomasz Gniazdowski,
  • Wojciech Marek Zabołotny,
  • Paweł Szymański,
  • Eryk Wawrzyn and ,
  • Daniel Wielanek,
  • Michał Kruszewski,
  • Diana Pawłowska,
  • Andrzej Wojeński and
  • Hanna Zbroszczyk
  • + 4 authors+ 0 author

16 November 2023

This paper focuses on the problem of high-performance streaming random number generation in the range of uniform and normal distributions in FPGAs. Our work is focused on lightweight implementation, suitable for a wide range of FPGAs. First, we revie...

  • Article
  • Open Access
18 Citations
4,215 Views
13 Pages

Assessing Methods for Evaluating the Number of Components in Non-Negative Matrix Factorization

  • José M. Maisog,
  • Andrew T. DeMarco,
  • Karthik Devarajan,
  • Stanley Young and ,
  • Paul Fogel and
  • George Luta
  • + 1 author+ 0 author

9 November 2021

Non-negative matrix factorization is a relatively new method of matrix decomposition which factors an m × n data matrix X into an m × k matrix W and a k × n matrix H, so that X ≈ W × H. Importantly, all values in X, W, and H are constrained to be non...

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