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Digital Image Processing Method for Characterization of Fractures, Fragments, and Particles of Soil/Rock-Like Materials

期刊: MATHEMATICS, 2021; 9 (8)

Natural soil and rock materials and the associated artificial materials have cracks, fractures, or contacts and possibly produce rock fragments or par......

New Fixed Point Results via a Graph Structure

期刊: MATHEMATICS, 2021; 9 (9)

The main aim of this paper is to introduce and study some fixed point results for rational multivalued G-contraction and F-Khan-type multivalued contr......

Demand Subsidy versus Production Regulation: Development of New Energy Vehicles in a Competitive Environment

期刊: MATHEMATICS, 2021; 9 (11)

In the competitive market environment, the growth of new energy vehicles (NEVs) faces many obstacles. Demand subsidy or production regulation-related ......

Wavelet Numerical Solutions for a Class of Elliptic Equations with Homogeneous Boundary Conditions

期刊: MATHEMATICS, 2021; 9 (12)

This paper focuses on a method to construct wavelet Riesz bases with homogeneous boundary condition and use them to a kind of second-order elliptic eq......

New Conditions for the Oscillation of Second-Order Differential Equations with Sublinear Neutral Terms

期刊: MATHEMATICS, 2021; 9 (11)

In continuous applications in electrodynamics, neural networks, quantum mechanics, electromagnetism, and the field of time symmetric, fluid dynamics, ......

Emotion Recognition and Regulation Based on Stacked Sparse Auto-Encoder Network and Personalized Reconfigurable Music

期刊: MATHEMATICS, 2021; 9 (6)

Music can regulate and improve the emotions of the brain. Traditional emotional regulation approaches often adopt complete music. As is well-known, co......

GMM Estimation of a Partially Linear Additive Spatial Error Model

期刊: MATHEMATICS, 2021; 9 (6)

This article presents a partially linear additive spatial error model (PLASEM) specification and its corresponding generalized method of moments (GMM)......

Existence and Symmetry of Solutions for a Class of Fractional Schrodinger-Poisson Systems

期刊: MATHEMATICS, 2021; 9 (10)

In this paper, we investigate a class of Schrodinger-Poisson systems with critical growth. By the principle of concentration compactness and variation......

A Novel Analysis of the Smooth Curve with Constant Width Based on a Time Delay System

期刊: MATHEMATICS, 2021; 9 (10)

In this paper, we analyze the C-infinity smooth curve of constant width using the characteristic equation of a time delay system. We prove that a clos......

Distributed State Estimation Based Distributed Model Predictive Control

期刊: MATHEMATICS, 2021; 9 (12)

In this work, we consider output-feedback distributed model predictive control (DMPC) based on distributed state estimation with bounded process distu......

Computing Open Locating-Dominating Number of Some Rotationally-Symmetric Graphs

期刊: MATHEMATICS, 2021; 9 (12)

Location detection is studied for many scenarios, such as pointing out the flaws in multiprocessors, invaders in buildings and facilities, and utilizi......

A Conservative and Implicit Second-Order Nonlinear Numerical Scheme for the Rosenau-KdV Equation

期刊: MATHEMATICS, 2021; 9 (11)

In this paper, for solving the nonlinear Rosenau-KdV equation, a conservative implicit two-level nonlinear scheme is proposed by a new numerical metho......

Impact of Emotional Perceived Value on the Uncertain Evolution of the Housing Bubble

期刊: MATHEMATICS, 2021; 9 (13)

In China, the housing bubble is not only an economic issue but also an important social and political issue. According to game theory, the housing bub......

On the Accuracy of the Generalized Gamma Approximation to Generalized Negative Binomial Random Sums

期刊: MATHEMATICS, 2021; 9 (13)

We investigate the proximity in terms of zeta-structured metrics of generalized negative binomial random sums to generalized gamma distribution with t......

A Study on the Impact of Linguistic Persuasive Styles on the Sales Volume of Live Streaming Products in Social E-Commerce Environment

期刊: MATHEMATICS, 2021; 9 (13)

Live-stream shopping is developing rapidly, but the sales levels of live streaming products vary by different hosts. How to increase the sales volume ......

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