1. “Periodic Property and Instability of a Rotating Pendulum System”
by Ji-Huan He, Tarek S. Amer, Shimaa Elnaggar and Abdallah A. Galal
Axioms 2021; 10(3):191. https://doi.org/10.3390/axioms10030191
Available online: https://www.mdpi.com/2075-1680/10/3/191

2. “Modeling Multi-Dimensional Public Opinion Process Based on Complex Network Dynamics Model in the Context of Derived Topics”
by Tinggui Chen, Xiaohua Yin, Jianjun Yang, Guodong Cong and Guoping Li
Axioms 2021; 10(4):270. https://doi.org/10.3390/axioms10040270
Available online: https://www.mdpi.com/2075-1680/10/4/270

3. “Monitoring and Recognizing Enterprise Public Opinion from High-Risk Users Based on User Portrait and Random Forest Algorithm”
by Tinggui Chen, Xiaohua Yin, Lijuan Peng, Jingtao Rong, Jianjun Yang and Guodong Cong
Axioms 2021; 10(2):106. https://doi.org/10.3390/axioms10020106
Available online: https://www.mdpi.com/2075-1680/10/2/106

4. “Some New Fractional Estimates of Inequalities for LR-p-Convex Interval-Valued Functions by Means of Pseudo Order Relation”
by Muhammad Bilal Khan, Pshtiwan Othman Mohammed, Muhammad Aslam Noor, Dumitru Baleanu and Juan Luis García Guirao
Axioms 2021; 10(3):175. https://doi.org/10.3390/axioms10030175
Available online: https://www.mdpi.com/2075-1680/10/3/175

5. “Strong Interacting Internal Waves in Rotating Ocean: Novel Fractional Approach”
by Pundikala Veeresha, Haci Mehmet Baskonus and Wei Gao
Axioms 2021; 10(2):123. https://doi.org/10.3390/axioms10020123
Available online: https://www.mdpi.com/2075-1680/10/2/123

6. “Modeling and Forecasting of COVID-19 Spreading by Delayed Stochastic Differential Equations”
by Marouane Mahrouf, Adnane Boukhouima, Houssine Zine, El Mehdi Lotfi, Delfim F. M. Torres and Noura Yousfi
Axioms 2021; 10(1):18. https://doi.org/10.3390/axioms10010018
Available online: https://www.mdpi.com/2075-1680/10/1/18

7. “A New Inverted Topp-Leone Distribution: Applications to the COVID-19 Mortality Rate in Two Different Countries”
by Ehab M. Almetwally, Randa Alharbi, Dalia Alnagar and Eslam Hossam Hafez
Axioms 2021; 10(1):25. https://doi.org/10.3390/axioms10010025
Available online: https://www.mdpi.com/2075-1680/10/1/25

8. “Outsourcing Reverse Logistics for E-Commerce Retailers: A Two-Stage Fuzzy Optimization Approach”
by Chia-Nan Wang, Thanh-Tuan Dang and Ngoc-Ai-Thy Nguyen
Axioms 2021; 10(1):34. https://doi.org/10.3390/axioms10010034
Available online: https://www.mdpi.com/2075-1680/10/1/34

9. “A Simple Frequency Formulation for the Tangent Oscillator”
by Ji-Huan He, Qian Yang, Chun-Hui He and Yasir Khan
Axioms 2021; 10(4):320. https://doi.org/10.3390/axioms10040320
Available online: https://www.mdpi.com/2075-1680/10/4/320

10. “Applying Transformer Insulation Using Weibull Extended Distribution Based on Progressive Censoring Scheme”
by Hisham M. Almongy, Fatma Y. Alshenawy, Ehab M. Almetwally and Doaa A. Abdo
Axioms 2021; 10(2):100. https://doi.org/10.3390/axioms10020100
Available online: https://www.mdpi.com/2075-1680/10/2/100