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Exponential stabilization of a structural acoustic model arising in the control of noise Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-25 Roberto Díaz, Marcio V. Ferreira, Jaime Muñoz, Octavio Vera, Nicolás Zumelzu
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Nonlinear bending behavior of functionally graded porous beams based on sinusoidal shear deformation theory Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-25 Marzieh Taheri, Hossein Baradaran
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Assessing Syphilis transmission among MSM population incorporating low and high-risk infection: a modeling study Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-25 Chidozie Williams Chukwu, Zviiteyi Chazuka, Salman Safdar, Iffatricia Haura Febriana, Dipo Aldila
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Decision-making method under the interval-valued complex fuzzy soft environment Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-25 Muhammad Zeeshan, Madad Khan, Muhammad Ali Abid, Zubair Ahmad, Saima Anis
In this paper, we introduce some set-theoretic operations and laws of the IV-CFSSs, such as interval-valued complex fuzzy soft complement, union, intersection, t-norm, s-norm, simple product, Cartesian product, probabilistic sum, simple difference, and the convex linear sum of min and max operators. We define the distance measure of two IV-CFSSs. This distance measure is then used to define the \(\delta
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On conditional monotonicities of interval-valued functions Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-24 Ana Shirley Monteiro, Regivan Santiago, Martin Papčo, Radko Mesiar, Humberto Bustince
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A modified subgradient extragradient method with non-monotonic step sizes for solving quasimonotone variational inequalities Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-24 Duong Viet Thong, Xiao-Huan Li, Vu Tien Dung, Hoang Van Thang, Luong Van Long
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Hypothesis testing for points of impact in functional linear regression Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-24 Alireza Shirvani, Omid Khademnoe, Mohammad Hosseini-Nasab
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A collocation method for an RLC fractional derivative two-point boundary value problem with a singular solution Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-24 José Luis Gracia, Martin Stynes
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Discrete energy behavior of Timoshenko system with Cattaneo’s law Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-23 Ali Smouk, Atika Radid
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A positivity-preserving edge-centred finite volume scheme for heterogeneous and anisotropic diffusion problems on polygonal meshes Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-23 Shuai Miao, Shuai Su
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A novel strict color image authentication scheme based on dual-complex LU decomposition Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-23 Wenxv Ding, Yimeng Xi, Ying Li
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$$(\mu _{1},\mu _{2})$$ -Pseudo-asymptotically $$\tau $$ -periodic function applied to models for differential equations with delays Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-22 Chaouki Aouiti, Youssef Khemili, Mohsen Miraoui
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An efficient fourth order Hermite spline collocation method for time fractional diffusion equation describing anomalous diffusion in two space variables Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-22 Priyanka, Saroj Sahani, Shelly Arora
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Single machine scheduling problems with truncated learning effects and exponential past-sequence-dependent delivery times Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-22 Xiao-Yuan Wang, Dan-Yang Lv, Ping Ji, Na Yin, Ji-Bo Wang, Jin Qian
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On the properties of hyperelliptic functions and isometries for Fuchsian groups isomorphism in $${\mathbb {D}}^2$$ and $${\mathbb {H}}^2$$ Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-21 Érika Patrícia Dantas de Oliveira Guazzi, Reginaldo Palazzo Júnior
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Positive solutions for the fractional Kirchhoff type problem in exterior domains Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-21 Fumei Ye, Shubin Yu, Chun-Lei Tang
In this article, we consider the following Kirchhoff equation involving fractional Laplacian $$\begin{aligned} \left\{ \begin{array}{ll} \left( a+b[u]_s^2\right) (-\Delta )^s u+u=|u|^{p-2}u &{}\text{ in }\ {\Omega }, \\ u=0&{}\text{ on }\ {{\mathbb {R}}^3 \backslash \Omega }, \\ \end{array} \right. \end{aligned}$$ where \(a,\ b>0\) are constants, \(\frac{3}{4}
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Numerical solution of one-dimensional nonlinear Sine–Gordon equation using LOOCV with exponential B-spline Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-20 Richa Rani, Geeta Arora, Kiran Bala
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Hyperbolic quantum color codes with normal subgroup structure derived from the Reidemeister–Schreier method Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-20 Clarice Dias Albuquerque, Henrique Lazari, Reginaldo Palazzo, Daniel Silva Campos
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Bifurcation investigation and control scheme of fractional neural networks owning multiple delays Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-20 Changjin Xu, Yingyan Zhao, Jinting Lin, Yicheng Pang, Zixin Liu, Jianwei Shen, Maoxin Liao, Peiluan Li, Youxiang Qin
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Minkowski-type distances in approximate query searches Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-20 Arpan Singh, Balasubramaniam Jayaram
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Stable recovery of approximately block k-sparse signals with partial block support information via weighted $$\ell _2/\ell _p\,(0 Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-19 Wenhui Liu, Anhua Wan
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Constacyclic locally recoverable codes from their duals Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-18 Rabia Zengin, Mehmet Emin Köroǧlu
A code has locality r if a symbol in any coordinate of a codeword in the code can be recovered by accessing the value of at most r other coordinates. Such codes are called locally recoverable codes (LRCs for short). Since LRCs can recover a failed node by accessing the minimum number of the surviving nodes, these codes are used in distributed storage systems such as Microsoft Azure. In this paper,
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Investigation of some Sylvester-type quaternion matrix equations with multiple unknowns Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-18 Chong-Quan Zhang, Qing-Wen Wang, Andrii Dmytryshyn, Zhuo-Heng He
In this paper, we consider the solvability conditions of some Sylvester-type quaternion matrix equations. We establish some practical necessary and sufficient conditions for the existence of solutions of a Sylvester-type quaternion matrix equation with five unknowns through the corresponding equivalence relations of the block matrices. Moreover, we present some solvability conditions to some Sylvester-type
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Parametric general fractional calculus: nonlocal operators acting on function with respect to another function Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-18 Vasily E. Tarasov
In this paper, we present the definitions and some properties of the general fractional integrals (GFIs) and general fractional derivatives (GFDs) of a function f(x) with respect to another function g(x). Examples of special cases of parametric GF operators are described. Some properties of the parametric GFIs and the parametric GFDs are proved. Representation of the parametric GFIs and parametric
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An H-div finite element method for the Stokes equations on polytopal meshes Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-18 Xiu Ye, Shangyou Zhang
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Observer-based prescribed-time synchronization and topology identification for complex networks of piecewise-smooth systems with hybrid impulses Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-17 Xinzhao Hou, Huaiqin Wu, Jinde Cao
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Stability and numerical results for a suspension bridge of Timoshenko type with second sound Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-16 My Driss Aouragh, Mustapha El Baz, M’hamed Segaoui
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The distributed no-idle permutation flowshop scheduling problem with due windows Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-16 Kasra Mousighichi, Mualla Gonca Avci
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A multistep collocation method for approximate solution of Volterra integro-differential equations of the third kind Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-15 F. Shayanfard, H. Laeli Dastjerdi
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Constructive fractional models through Mittag-Leffler functions Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-15 Noemi Zeraick Monteiro, Rodrigo Weber dos Santos, Sandro Rodrigues Mazorche
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M-fuzzifying normed vector spaces Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-13 Yongchao Wang, Fu-Gui Shi
In this paper, we introduce the concept of M-fuzzifying norm, which can be seen as a fuzzy co-norm. Fuzzy norm plays a key role in fuzzy functional analysis, which can be applied in theoretical computer science and information theory. We also present a characterization of M-fuzzifying norm using cut-sets. Furthermore, we prove that Morsi’s fuzzy norm and M-fuzzifying norm are equivalent when \(M=[0
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Two constructions of two-dimensional Golay complementary array sets with flexible sizes in two dimensions Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-12 Hongyang Xiao, Xiwang Cao
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Pythagorean Z-linguistic VIKOR method based on modified value function under Pythagorean Z-linguistic environment and its application on smart healthcare Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-11 Sidong Xian, Wenjia Li, Renping Liu, Longjun Yin
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An algorithmic exploration of variable order fractional partial integro-differential equations via hexic shifted Chebyshev polynomials Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-10 A. Babaei, S. Banihashemi, B. Parsa Moghaddam, A. Dabiri
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Tseng’s extragradient method with double projection for solving pseudomonotone variational inequality problems in Hilbert spaces Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-10 Zhongbing Xie, Gang Cai, Xiaoxiao Li, Qiao-Li Dong
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Codimension-2 bifurcations of a generalized three-dimensional cubic jerk system Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-09 Yuming Chen
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A posteriori error estimate for the non-stationary concentration equation coupled with the Darcy system discretized by the Raviart–Thomas finite element Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-09 Nancy Chalhoub, Pascal Omnes, Toni Sayah, Rebecca El Zahlaniyeh
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Fuzzy inference with fuzzy implications satisfying generalized hypothetical syllogism Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-09 Aimin Xu, Qingxue Zeng, Dechao Li, Qiuli Guo
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A robust alternative to examine data dependency of fixed points of quasi-contractive operators: an efficient approach that relies on the collage theorem Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-09 Faik Gürsoy
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Fully accurate approximation of piecewise smooth functions using corrected B-spline quasi-interpolants Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-08 Zhilin Li, Kejia Pan, Juan Ruiz, Dionisio F. Yáñez
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Modeling the dengue control dynamics based on a delay stochastic differential system Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-08 Wenjuan Guo, Bo Zheng, Jianshe Yu
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An SIS reaction–diffusion model with spatial/behavioral heterogeneity Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-08 Lele Li, Yanni Xiao
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General convergence results of the modulus-based methods for vertical nonlinear complementarity problems Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-08 Yuting Kong, Xiaoping Lu, Hua Zheng
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Fučik spectrum of fractional Schrödinger operator with the unbounded potential on $$\mathbb {R}^{N}$$ Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-07 Jiaping Wang, Bianxia Yang
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Identifying the source term and the initial value simultaneously for Caputo–Hadamard fractional diffusion equation on spherically symmetric domain Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-07 Chen-Yu Zhang, Fan Yang, Xiao-Xiao Li
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Fine error bounds for approximate asymmetric saddle point problems Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-06 Vitoriano Ruas
The theory of mixed finite element methods for solving different types of elliptic partial differential equations in saddle point formulation is well established since many decades. This topic was mostly studied for variational formulations defined upon the same product spaces of both shape- and test-pairs of primal variable-multiplier. Whenever either these spaces or the two bilinear forms involving
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Finite-time model order reduction for K-power bilinear systems via shifted Legendre polynomials Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-05 Yan-Song Zhang, Zhi-Hua Xiao, Yao-Lin Jiang
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Lie symmetry analysis for fractional evolution equation with $$\zeta $$ -Riemann–Liouville derivative Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-05 Junior C. A. Soares, Felix S. Costa, J. Vanterler C. Sousa
We present the application of Lie group theory analysis with \(\zeta \)-Riemann–Liouville fractional derivative (\(\zeta \)-RLFD, for short) detailing the construction of infinitesimal prolongation to obtain Lie symmetries. In addition, it addresses the invariance condition without necessarily imposing that the lower limit of the fractional integral is fixed. We find an expression that expands the
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Optimal investment, consumption, and work effort strategies with stochastic salary under the HLSV model Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-03 Menglei Huang, Qing Zhou
We consider a Heston local-stochastic volatility (HLSV) model to study the optimal investment, consumption, and work effort strategies for an executive with equity incentives and stochastic salary. The executive’s work behavior can affect the stock price of the company, and after retirement, he can choose whether to accept re-employment. Our goal is to maximize the expected discounted utility of consumption
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An augmentation preconditioner for a class of complex symmetric linear systems Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-03 Hongyu Wu
In this paper, we propose an efficient augmentation-based preconditioner for solving complex symmetric linear systems, which is obtained by augmenting the (2,2) block of the coefficient matrix. Then, the convergence of the corresponding iteration method is analyzed, and several spectral properties of the preconditioned matrices, such as eigenvalue distributions and eigenvectors, are also discussed
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On Q-circulant matrices Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Hongjian Li, Weilin Zhang, Pingzhi Yuan
In this paper, we generalize the concepts of circulant matrix, r-circulant matrix, \((r,\,m)\)-circulant like matrix, H-circulant matrix and s-H-circulant matrix, and a new type of matrix called Q-circulant matrix is introduced, where Q is a non-derogatory matrix. The algebraic structure, eigenvalues and inverses of Q-circulant matrices are studied. Moreover, the eigenvalues of Q-circulant matrices
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Structure of $${\mathbb {F}}_q{\mathcal {R}}$$ -linear $$(\varTheta ,\varDelta _\varTheta )$$ -cyclic codes Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Shikha Patel, Ashutosh Singh, Om Prakash
Let \({\mathbb {F}}_q\) be the finite field of order \(q=p^m\) where p is a prime, and m is a positive integer. This work introduces \({\mathbb {F}}_q{\mathcal {R}}\)-linear \((\varTheta ,\varDelta _\varTheta )\)-cyclic codes where \({\mathcal {R}}={\mathbb {F}}_q+u{\mathbb {F}}_q\) with \(u^2=u\), i.e., \((\varTheta ,\varDelta _\varTheta )\)-cyclic codes over \({\mathbb {F}}_q{\mathcal {R}}\). With
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Adaptive asynchronous output feedback control for a class of switched nonlinear systems with a novel aperiodic dynamic sampling rule Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Xiya Song, Chunyan Wang, Yifan Fu
This paper investigates the adaptive output feedback aperiodic sampling control for a class of switched nonlinear systems under asynchronous switching. A novel model-dependent dynamic aperiodic sampling rule is proposed to solve problems of potential asynchronous lengthening and transmission overburdening. Blending with the sampling information, the time-schedule Lyapunov functions (TSLFs) are recreated
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On existence of solutions for $$\Psi $$ -Hilfer type fractional BVP of generalized higher order Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Bhupeshwar, Deepesh Kumar Patel, Moosa Gabeleh, Mohammad Esmael Samei
This research examines generalized boundary value problems of the \(\Psi \)-Hilfer fractional differential equations of order \(2<\alpha <3\) and \(n-1< \alpha
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Pointwise adaptive non-conforming finite element method for the obstacle problem Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Kamana Porwal, Ritesh Singla
In this article, we develop a posteriori error analysis of a non-conforming finite element method in the supremum norm for the elliptic obstacle problem. In the analysis, the proper construction of the discrete Lagrange multiplier helps in obtaining the desired sign property of its average over the elements. The sub- and super-solutions, Green’s function, residual functional, and averaging operator
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A deep learning method for pricing high-dimensional American-style options via state-space partition Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-02 Yuecai Han, Xudong Zheng
This paper proposes a deep learning approach for solving optimal stopping problems and high-dimensional American-style options pricing problems. Through state-space partition, the method does not require recalculation of the structure of networks when the price of the asset changes, which makes tracking valuation more efficient. This paper also offers theoretical proof for the existence of a deep learning
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Global structure of positive solutions for p-Laplacian Neumann problem with indefinite weight Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-01 Ruyun Ma, Lijuan Yang, Yali Zhang
We are concerned with the global structure of positive solutions for p-Laplacian Neumann problem: where \(\varphi _p(s)=\vert s\vert ^{p-2}s\), \(p>1\), \(\lambda >0\) is a parameter, \(h:[0,1]\rightarrow \mathbb {R}\) is a continuous function with \(\int _0^1h(x)\text {d}x<0\), \(g:[0,\infty )\rightarrow [0,\infty )\) is a continuous function satisfying \(\lim _{s\rightarrow 0}g(s)/\varphi _p(s)=0\)
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Comparative study of physics-based model and machine learning model for epidemic forecasting and countermeasure Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-01
Abstract Forecasting the transmission patterns of infectious diseases is of paramount importance in gaining valuable insights into outbreak growth and optimizing the allocation of medical resources. In this paper, we conduct a comparative study between a physics-based model and a machine learning (ML) model for epidemic forecasting and countermeasures, considering criteria such as accuracy and practicality
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Two meaningful secret image sharing schemes based on integer wavelet transform and $${\text {LWE}}$$ Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-01
Abstract In a meaningful secret image-sharing scheme, the distribution of an image among participants occurs without arousing suspicion from potential adversaries. In this paper, we introduce two secret image-sharing schemes based on the learning-with-error (LWE) problem. Both schemes use the integer wavelet transform (IWT) domain of the cover image to embed the generated hidden values. The first scheme
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An integrated approach for allocation and scheduling-location problems on graphs Comput. Appl. Math. (IF 2.998) Pub Date : 2024-04-01 Kien Trung Nguyen, Huy Minh Le
This article uses an integrated approach to solve real-world problems in three areas, namely single machine scheduling, 1-center location on networks and nonrenewable allocation problems. Jobs are stored at vertices and a single machine will be placed in the network. Each job receives an allocation that comes with a specific cost from an expected limited budget. Processing times of jobs are considered