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7,830 Results Found

  • Article
  • Open Access
2,671 Views
15 Pages

The Spectral Distribution of Random Mixed Graphs

  • Yue Guan,
  • Bo Cheng,
  • Minfeng Chen,
  • Meili Liang,
  • Jianxi Liu,
  • Jinxun Wang,
  • Chao Yang and
  • Li Zeng

11 March 2022

In this work, we propose a random mixed graph model Gn(p(n),q(n)) that incorporates both the classical Erdős-Rényi’s random graph model and the random oriented graph model. We show that the empirical spectral distribution of Gn(p(n)...

  • Article
  • Open Access
1 Citations
1,130 Views
9 Pages

29 November 2024

In the present paper, based on the representation of the logistic distribution as a normal scale mixture obtained by L. Stefanski in 1990, it is demonstrated that the logistic distribution can be limiting for sums of a random number of random variabl...

  • Article
  • Open Access
2 Citations
2,383 Views
24 Pages

16 March 2023

Inhomogeneous random graphs are commonly used models for complex networks where nodes have varying degrees of connectivity. Computing the degree distribution of such networks is a fundamental problem and has important applications in various fields....

  • Article
  • Open Access
33 Citations
8,693 Views
20 Pages

25 February 2019

Determining distributions of the functions of random variables is one of the most important problems in statistics and applied mathematics because distributions of functions have wide range of applications in numerous areas in economics, finance, ris...

  • Article
  • Open Access
6 Citations
4,224 Views
14 Pages

Natural Test for Random Numbers Generator Based on Exponential Distribution

  • Ilija Tanackov,
  • Feta Sinani,
  • Miomir Stanković,
  • Vuk Bogdanović,
  • Željko Stević,
  • Mladen Vidić and
  • Jelena Mihaljev-Martinov

2 October 2019

We will prove that when uniformly distributed random numbers are sorted by value, their successive differences are a exponentially distributed random variable Ex(λ). For a set of n random numbers, the parameters of mathematical expectation and...

  • Article
  • Open Access
388 Views
20 Pages

11 October 2025

This work introduces a hybrid memory-based random walk model that combines the Elephant Random Walk with a modified Moran Random Walk. The model introduces a sequence of independent and identically distributed random variables with mean 1, representi...

  • Article
  • Open Access
12 Citations
3,667 Views
13 Pages

1 March 2018

The increasing penetration of distributed energy resources in distribution systems has brought a number of network management and operational challenges; reactive power variation has been identified as one of the dominant effects. Enormous growth in...

  • Article
  • Open Access
22 Citations
5,134 Views
27 Pages

Determining distributions of the functions of random variables is a very important problem with a wide range of applications in Risk Management, Finance, Economics, Science, and many other areas. This paper develops the theory on both density and dis...

  • Article
  • Open Access
1 Citations
578 Views
16 Pages

25 July 2025

Accurate modeling of product lifetimes is vital in reliability analysis and engineering to ensure quality and maintain competitiveness. This paper proposes the progressively randomly censored Maxwell distribution, which incorporates both progressive...

  • Article
  • Open Access
3 Citations
2,488 Views
23 Pages

The theoretical treatment of statistical properties relevant to nonlinear random waves of finite bandwidth, such as the joint distribution of wave crest and its associated wave period, is an overdue task hampered by the complicated form of the analyt...

  • Article
  • Open Access
3 Citations
2,594 Views
13 Pages

15 January 2023

A differential game with random duration is considered. The terminal time of the game is a random variable settled using a composite distribution function. Such a scenario occurs when the operating mode of the system changes over time at the appropri...

  • Article
  • Open Access
7 Citations
2,390 Views
19 Pages

Analysis of Train Car-Body Comfort Zonal Distribution by Random Vibration Method

  • Zhaozhi Wu,
  • Nan Zhang,
  • Jinbao Yao and
  • Vladimir Poliakov

25 July 2022

With the increase in train speeds on high-speed railways, the excitation frequency of track irregularities increases, which has a negative impact on train comfort and opposes the passengers’ desire for high ride comfort. In addition, the uncert...

  • Article
  • Open Access
7 Citations
2,876 Views
29 Pages

16 September 2022

Multivariate modelling of economics data is crucial for risk and profit analyses in companies. However, for the final conclusions, a whole set of variables is usually transformed into a single variable describing a total profit/balance of company&rsq...

  • Article
  • Open Access
16 Citations
6,011 Views
19 Pages

A Fast Reactive Power Optimization in Distribution Network Based on Large Random Matrix Theory and Data Analysis

  • Wanxing Sheng,
  • Keyan Liu,
  • Hongyan Pei,
  • Yunhua Li,
  • Dongli Jia and
  • Yinglong Diao

24 May 2016

In this paper, a reactive power optimization method based on historical data is investigated to solve the dynamic reactive power optimization problem in distribution network. In order to reflect the variation of loads, network loads are represented i...

  • Article
  • Open Access
3 Citations
1,728 Views
20 Pages

5 June 2024

The length-biased lognormal distribution is a length-biased version of lognormal distribution, which is developed to model the length-biased lifetime data from, for example, biological investigation, medical research, and engineering fields. Owing to...

  • Article
  • Open Access
25 Citations
3,999 Views
14 Pages

22 May 2024

Mastering the spatial distribution of soil heavy metal content and evaluating the pollution status of soil heavy metals is of great significance for ensuring agricultural production and protecting human health. This study used a machine learning mode...

  • Article
  • Open Access
1 Citations
2,098 Views
29 Pages

2 July 2022

Based on the canonical correlation analysis, we derive series representations of the probability density function (PDF) and the cumulative distribution function (CDF) of the information density of arbitrary Gaussian random vectors as well as a genera...

  • Article
  • Open Access
15 Citations
4,868 Views
13 Pages

12 August 2019

The unique set of physical and chemical properties of asbestos has led to its many industrial applications worldwide, of which roofing and facades constitute approximately 80% of currently used asbestos-containing products. Since asbestos-containing...

  • Article
  • Open Access
9 Citations
4,005 Views
9 Pages

Parameter Estimation of the Exponentiated Pareto Distribution Using Ranked Set Sampling and Simple Random Sampling

  • Hossein Jabbari Khamnei,
  • Ieva Meidute-Kavaliauskiene,
  • Masood Fathi,
  • Asta Valackienė and
  • Shahryar Ghorbani

15 June 2022

In this paper, we have considered that ranked set sampling is able to estimate the parameters of exponentiated Pareto distribution. The method with which the maximum likelihood estimators for the parameters of exponentiated Pareto distribution is stu...

  • Article
  • Open Access
1 Citations
875 Views
13 Pages

29 July 2025

In medical research, random censoring often occurs due to unforeseen subject withdrawals, whereas progressive censoring is intentionally applied to minimize time and resource requirements during experimentation. This work focuses on estimating the pa...

  • Article
  • Open Access
1 Citations
1,620 Views
16 Pages

8 November 2024

Our understanding of herbivorous insect’s host selection is often based on observed associations with host plants, which can be biased by relative plant abundance, leading to inaccurate assumptions of preference. These biases may be particularly pron...

  • Article
  • Open Access
1 Citations
524 Views
17 Pages

Conventional space vector pulse width modulation (CSVPWM) with the fixed switching frequency generates significant sideband harmonics in the three-phase voltage. Discrete random switching frequency SVPWM (DRSF-SVPWM) methods have been widely applied...

  • Article
  • Open Access
7 Citations
5,678 Views
24 Pages

23 March 2022

In material management, the inventory systems may have good management aspects in terms of materials; however, this negatively affects the relationship between the facility and customers. In classical inventory models, arriving demands are satisfied...

  • Feature Paper
  • Article
  • Open Access
38 Citations
5,561 Views
14 Pages

22 March 2021

In the present paper, a Random Forest classifier is used to detect leak locations on two different sized water distribution networks with sparse sensor placement. A great number of leak scenarios were simulated with Monte Carlo determined leak parame...

  • Article
  • Open Access
2 Citations
1,964 Views
23 Pages

3 October 2022

Compared with the pole-to-pole short circuit, the fault characteristics are not obvious when a monopolar grounding fault occurs in a DC distribution network, and it is difficult to locate the fault accurately. To solve this problem, this paper propos...

  • Article
  • Open Access
9 Citations
5,931 Views
22 Pages

Exact Distributions of Finite Random Matrices and Their Applications to Spectrum Sensing

  • Wensheng Zhang,
  • Cheng-Xiang Wang,
  • Xiaofeng Tao and
  • Piya Patcharamaneepakorn

29 July 2016

The exact and simple distributions of finite random matrix theory (FRMT) are critically important for cognitive radio networks (CRNs). In this paper, we unify some existing distributions of the FRMT with the proposed coefficient matrices (vectors) an...

  • Article
  • Open Access
2 Citations
2,956 Views
22 Pages

26 February 2022

The Kaczmarz algorithm is an iterative method for solving systems of linear equations. We introduce a randomized Kaczmarz algorithm for solving systems of linear equations in a distributed environment, i.e., the equations within the system are distri...

  • Article
  • Open Access
15 Citations
6,737 Views
18 Pages

2 June 2020

Among all the methods of extracting randomness, quantum random number generators are promising for their genuine randomness. However, existing quantum random number generator schemes aim at generating sequences with a uniform distribution, which may...

  • Article
  • Open Access
11 Citations
4,284 Views
15 Pages

19 January 2018

In this paper, a distributed randomized gradient-free algorithm (DRGF) is employed to solve the complex non-convex economic dispatch problem whose non-convex constraints include valve-point loading effects, prohibited operating zones, and multiple fu...

  • Article
  • Open Access
13 Citations
4,245 Views
12 Pages

21 July 2017

The economic dispatch problem of a virtual power plant (VPP) is becoming non-convex for distributed generators’ characteristics of valve-point loading effects, prohibited operating zones, and multiple fuel options. In this paper, the economic dispatc...

  • Article
  • Open Access
17 Citations
3,906 Views
13 Pages

31 December 2020

Stochastic Configuration Network (SCN) has a powerful capability for regression and classification analysis. Traditionally, it is quite challenging to correctly determine an appropriate architecture for a neural network so that the trained model can...

  • Article
  • Open Access
3 Citations
2,159 Views
10 Pages

30 April 2022

In this paper, we focus on two generalizations of the Lindley distribution and investigate, for each one separately, some special properties related to the geometric mean (GM) and the cumulative residual entropy (CRE), both of them being of great imp...

  • Article
  • Open Access
4 Citations
2,702 Views
24 Pages

Study on the Transient Flow Characteristics of a Hump Water Pipeline Based on the Random Distribution of Bubbles

  • Qingbo Wang,
  • Jianyong Hu,
  • Mingming Song,
  • Hui Shen,
  • Yu Zhou,
  • Dongfeng Li and
  • Feng Xie

2 November 2023

Aiming at establishing the transient flow characteristics of gas–liquid two-phase flow in high-undulation water pipelines, based on the bubble distribution law measured using physical tests, the bubble distribution law function was input into t...

  • Article
  • Open Access
16 Citations
2,627 Views
14 Pages

Eigenvalue Distributions in Random Confusion Matrices: Applications to Machine Learning Evaluation

  • Oyebayo Ridwan Olaniran,
  • Ali Rashash R. Alzahrani and
  • Mohammed R. Alzahrani

7 May 2024

This paper examines the distribution of eigenvalues for a 2×2 random confusion matrix used in machine learning evaluation. We also analyze the distributions of the matrix’s trace and the difference between the traces of random confusion m...

  • Article
  • Open Access
713 Views
23 Pages

20 June 2025

The behavior of the spectra of symmetric block-type random matrices with symmetric blocks of high dimensionality is considered in this paper. Under minimal conditions regarding the distributions of matrix block elements (Lindeberg conditions), the un...

  • Article
  • Open Access
1 Citations
1,159 Views
17 Pages

27 January 2025

The exponentiated exponential distribution has received great attention from many statisticians due to its popularity, many applications, and the fact that it is an efficient alternative to many famous distributions such as Weibull and gamma distribu...

  • Article
  • Open Access
5 Citations
2,046 Views
15 Pages

4 January 2023

Asphalt pavements are damaged by traffic load repetitions. Conventionally, the allowed number of load repetitions until pavement failure is calculated based on empirical transfer functions from deterministic pavement mechanical responses to performan...

  • Article
  • Open Access
6 Citations
3,243 Views
12 Pages

Phase-Matching Quantum Key Distribution with Discrete Phase Randomization

  • Xiaoxu Zhang,
  • Yang Wang,
  • Musheng Jiang,
  • Yifei Lu,
  • Hongwei Li,
  • Chun Zhou and
  • Wansu Bao

23 April 2021

The twin-field quantum key distribution (TF-QKD) protocol and its variations have been proposed to overcome the linear Pirandola–Laurenza–Ottaviani–Banchi (PLOB) bound. One variation called phase-matching QKD (PM-QKD) protocol employs discrete phase...

  • Article
  • Open Access
7 Citations
2,556 Views
14 Pages

Effects of Randomized Management on the Forest Distribution Patterns of Larix kaempferi Plantation in Xiaolongshan, Gansu Province, China

  • Junmo Xu,
  • Gongqiao Zhang,
  • Zhonghua Zhao,
  • Yanbo Hu,
  • Wenzhen Liu,
  • Aiming Yang and
  • Gangying Hui

24 July 2021

Patterns of tree distribution are an important attribute of forest structure and directly affect the health and stability of forest ecosystems. This paper studied the effects of forest management on the forest distribution pattern of Larix kaempferi...

  • Article
  • Open Access
7 Citations
1,954 Views
15 Pages

6 July 2024

Thanks to the distinctive morphology of graphite particles in its microstructure, compacted graphite iron (CGI) exhibits excellent thermal conductivity together with high strength and durability. CGI is extensively used in many applications, e.g., en...

  • Article
  • Open Access
38 Citations
5,514 Views
13 Pages

Random Variables and Stable Distributions on Fractal Cantor Sets

  • Alireza Khalili Golmankhaneh and
  • Arran Fernandez

In this paper, we introduce the concept of fractal random variables and their related distribution functions and statistical properties. Fractal calculus is a generalisation of standard calculus which includes function with fractal support. Here we c...

  • Article
  • Open Access
4,371 Views
21 Pages

13 March 2018

In this paper, we investigate distributed state estimation for multi-agent networks with random communication, where the state is constrained by an inequality. In order to deal with the problem of environmental/communication uncertainties and to save...

  • Article
  • Open Access
8 Citations
6,949 Views
13 Pages

Approximating the Distribution of the Product of Two Normally Distributed Random Variables

  • Antonio Seijas-Macías,
  • Amílcar Oliveira,
  • Teresa A. Oliveira and
  • Víctor Leiva

22 July 2020

The distribution of the product of two normally distributed random variables has been an open problem from the early years in the XXth century. First approaches tried to determinate the mathematical and statistical properties of the distribution of s...

  • Article
  • Open Access
6 Citations
2,107 Views
17 Pages

Distributed Fusion Estimation in Network Systems Subject to Random Delays and Deception Attacks

  • María Jesús García-Ligero,
  • Aurora Hermoso-Carazo and
  • Josefa Linares-Pérez

20 February 2022

This paper focuses on the distributed fusion estimation problem in which a signal transmitted over wireless sensor networks is subject to deception attacks and random delays. We assume that each sensor can suffer attacks that may corrupt and/or modif...

  • Article
  • Open Access
1,040 Views
31 Pages

Length–Weight Distribution of Non-Zero Elements in Randomized Bit Sequences

  • Christoph Lange,
  • Andreas Ahrens,
  • Yadu Krishnan Krishnakumar and
  • Olaf Grote

19 June 2025

Randomness plays an important role in data communication as well as in cybersecurity. In the simulation of communication systems, randomized bit sequences are often used to model a digital source information stream. Cryptographic outputs should look...

  • Article
  • Open Access
14 Citations
2,178 Views
15 Pages

4 January 2022

This article describes a practical method for predicting the distribution of electric potential inside an electrical machine’s winding based on design data. It broadens the understanding of winding impedance in terms of inter-winding behavior a...

  • Article
  • Open Access
11 Citations
3,328 Views
15 Pages

The p-moment exponential stability of non-instantaneous impulsive Caputo fractional differential equations is studied. The impulses occur at random moments and their action continues on finite time intervals with initially given lengths. The time bet...

  • Article
  • Open Access
4 Citations
2,738 Views
16 Pages

Security Analysis of Sending or Not-Sending Twin-Field Quantum Key Distribution with Weak Randomness

  • Xiao-Lei Jiang,
  • Yang Wang,
  • Yi-Fei Lu,
  • Jia-Ji Li,
  • Chun Zhou and
  • Wan-Su Bao

23 September 2022

Sending-or-not sending twin-field quantum key distribution (SNS TF-QKD) has the advantage of tolerating large amounts of misalignment errors, and its key rate can exceed the linear bound of repeaterless quantum key distribution. However, the weak ran...

  • Article
  • Open Access
5 Citations
2,790 Views
18 Pages

Finite-Key Analysis for Quantum Key Distribution with Discrete-Phase Randomization

  • Rui-Qiang Wang,
  • Zhen-Qiang Yin,
  • Xiao-Hang Jin,
  • Rong Wang,
  • Shuang Wang,
  • Wei Chen,
  • Guang-Can Guo and
  • Zheng-Fu Han

31 January 2023

Quantum key distribution (QKD) allows two remote parties to share information-theoretic secret keys. Many QKD protocols assume the phase of encoding state can be continuous randomized from 0 to 2π, which, however, may be questionable in the experi...

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