On the Critical Case in Oscillation for Differential Equations with a Single Delay and with Several Delays by Jaromír Baštinec, Leonid Berezansky, Josef Diblík, Zdeněk Šmarda

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Analiza uczniowskich błędów – narzędzie polityki edukacyjnej kraju? by Mirosław Dąbrowski

“…Error analysis has been in use as a tool of improving the mathematics teaching – learning process since the 30s of the last century. …”
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On Computation of Recently Defined Degree-Based Topological Indices of Some Families of Convex Polytopes via M-Polynomial by Deeba Afzal, Farkhanda Afzal, Mohammad Reza Farahani, Samia Ali

“…Convex polytopes play a significant role both in various branches of mathematics and also in applied areas, most notably in linear programming. …”
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Cluster Synchronization of Nonlinearly Coupled Complex Networks via Pinning Control by Jianwen Feng, Jingyi Wang, Chen Xu, Francis Austin

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Remarks on Some Recent Fixed Point Results on Quaternion-Valued Metric Spaces by Ravi P. Agarwal, Hamed H. Alsulami, Erdal Karapınar, Farshid Khojasteh

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Generalized Darbo-Type F-Contraction and F-Expansion and Its Applications to a Nonlinear Fractional-Order Differential Equation by Mian Bahadur Zada, Muhammad Sarwar, Thabet Abdeljawad, Fahd Jarad

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Abundant Symmetry-Breaking Solutions of the Nonlocal Alice–Bob Benjamin–Ono System by Wang Shen, Zheng-Yi Ma, Jin-Xi Fei, Quan-Yong Zhu, Jun-Chao Chen

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Global solution for wave equation involving the fractional Laplacian with logarithmic nonlinearity by Bidi Younes, Abderrahmane Beniani, Khaled Zennir, Zayd Hajjej, Hongwei Zhang

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Mean-Square Exponential Synchronization of Markovian Switching Stochastic Complex Networks with Time-Varying Delays by Pinning Control by Jingyi Wang, Chen Xu, Jianwen Feng, Man Kam Kwong, Francis Austin

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Probabilistic-fuzzy programming model with chance-constrained to optimize wastewater treatment plants: A case study with the Bantul wastewater treatment plant layout by Armanda Adiqya May Dwi, Sutrisno, Sunarsih, Widowati, Kartono

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Finite-Time Synchronization of Fractional-Order Complex-Valued Multi-Layer Network via Adaptive Quantized Control Under Deceptive Attacks by Lulu Xu, Juan Yu, Cheng Hu, Kailong Xiong, Tingting Shi

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Vibration Analysis of a Piecewise-Smooth System with Negative Stiffness under Delayed Feedback Control by Dongmei Huang, Wei Li, Guidong Yang, Meijuan He, Hong Dang

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Bifurcation Behavior Analysis in a Predator-Prey Model by Nan Wang, Min Zhao, Hengguo Yu, Chuanjun Dai, Beibei Wang, Pengfei Wang

“…A predator-prey model is studied mathematically and numerically. The aim is to explore how some key factors influence dynamic evolutionary mechanism of steady conversion and bifurcation behavior in predator-prey model. …”
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On the Fractional View Analysis of Keller–Segel Equations with Sensitivity Functions by Haobin Liu, Hassan Khan, Rasool Shah, A. A. Alderremy, Shaban Aly, Dumitru Baleanu

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Hermite Interpolation Using Möbius Transformations of Planar Pythagorean-Hodograph Cubics by Sunhong Lee, Hyun Chol Lee, Mi Ran Lee, Seungpil Jeong, Gwang-Il Kim

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The Fault Diagnosis of Rolling Bearing Based on Improved Deep Forest by Xiwen Qin, Dingxin Xu, Xiaogang Dong, Xueteng Cui, Siqi Zhang

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Research on Ethanol Coupling to Prepare C4 Olefins Based on BP Neural Network and Cluster Analysis by Sheng-Mei Zhang, Wen-Li Zhan, Han Hu, Yu-Shu Liu, Jia-Ming Zhu

“…This research is based on the data from Question B of the 2021 Chinese Contemporary Undergraduate Mathematical Contest in Modeling. The researchers firstly perform data interpolation and visualization processing on the original data. …”
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Hermite-Hadamard and Schur-Type Inequalities for Strongly h-Convex Fuzzy Interval Valued Functions by Putian Yang, Shiqing Zhang

“…The concept of fuzzy theory was developed in 1965 and becomes an acknowledged research subject in both pure and applied mathematics and statistics, showing how this theory is highly applicable and productive in many applications. …”
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Dynamical Behavior of a Nonautonomous Stochastic Modified Bazykin Model by Zhangzhi Wei, Zheng Wu, Lianglong Wang

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Eigenvalue Problem for Nonlinear Fractional Differential Equations with Integral Boundary Conditions by Guotao Wang, Sanyang Liu, Lihong Zhang

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