1. Strong convergence and extinction of positivity preserving explicit scheme for the stochastic SIS epidemic model

   • Hongfu Yang
   • Jianhua Huang

   Original Paper 29 July 2023 Pages: 1475 - 1502

   

2. Detecting and approximating decision boundaries in low-dimensional spaces

   • Matthias Grajewski
   • Andreas Kleefeld

   Original Paper Open access 14 August 2023 Pages: 1503 - 1537

   

3. Modified iterated Crank-Nicolson method with improved accuracy for advection equations

   • Qiqi Tran
   • Jinjie Liu

   Original Paper 29 July 2023 Pages: 1539 - 1560

   

4. A priori and a posteriori error estimation for singularly perturbed delay integro-differential equations

   • Sunil Kumar
   • Shashikant Kumar
   • Sumit

   Original Paper 05 August 2023 Pages: 1561 - 1582

   

5. SGEM: stochastic gradient with energy and momentum

   • Hailiang Liu
   • Xuping Tian

   Original Paper 08 August 2023 Pages: 1583 - 1610

   

6. Strict pseudocontractions and demicontractions, their properties, and applications

   • Andrzej Cegielski

   Original Paper Open access 01 September 2023 Pages: 1611 - 1642

   

7. Unconditionally convergent and superconvergent finite element method for nonlinear time-fractional parabolic equations with distributed delay

   • Shanshan Peng
   • Meng Li
   • Fangfang Cao

   Original Paper 17 August 2023 Pages: 1643 - 1714

   

8. A new optimal root-finding iterative algorithm: local and semilocal analysis with polynomiography

   • Sania Qureshi
   • Ioannis K. Argyros
   • Evren Hincal

   Original Paper Open access 03 August 2023 Pages: 1715 - 1745

   

9. An adaptive projection BFGS method for nonconvex unconstrained optimization problems

   • Gonglin Yuan
   • Xiong Zhao
   • Xiaoxuan Chen

   Original Paper 05 August 2023 Pages: 1747 - 1767

   

10. A sine transform based preconditioned MINRES method for all-at-once systems from constant and variable-coefficient evolutionary PDEs

    • Sean Hon
    • Po Yin Fung
    • Stefano Serra-Capizzano

    Original Paper 14 August 2023 Pages: 1769 - 1799

11. Patch area and uniform sampling on the surface of any ellipsoid

    • Callum Robert Marples
    • Philip Michael Williams

    Original Paper Open access 14 August 2023 Pages: 1801 - 1827

    

12. Singularity separation Chebyshev collocation method for weakly singular Volterra integral equations of the second kind

    • Tongke Wang
    • Huan Lian
    • Lu Ji

    Original Paper 01 August 2023 Pages: 1829 - 1854

    

13. A Numerical Approach for the System of Nonlinear Variable-order Fractional Volterra Integral Equations

    • Yifei Wang
    • Jin Huang
    • Hu Li

    Original Paper 04 August 2023 Pages: 1855 - 1877

    

14. A highly efficient class of optimal fourth-order methods for solving nonlinear systems

    • Alicia Cordero
    • Renso V. Rojas-Hiciano
    • Maria P. Vassileva

    Original Paper 15 August 2023 Pages: 1879 - 1904

    

15. Runge–Kutta pairs of orders 9(8) for use in quadruple precision computations

    • Vladislav N. Kovalnogov
    • Ruslan V. Fedorov
    • Charalampos Tsitouras

    Original Paper 24 August 2023 Pages: 1905 - 1919

    

16. Enhanced moving least squares method for solving the stochastic fractional Volterra integro-differential equations of Hammerstein type

    • Erfan Solhi
    • Farshid Mirzaee
    • Shiva Naserifar

    Original Paper 01 September 2023 Pages: 1921 - 1951

    

17. Fully decoupled, linear, and energy-preserving GSAV difference schemes for the nonlocal coupled sine-Gordon equations in multiple dimensions

    • Dongdong Hu
    • Linghua Kong
    • Yushun Wang

    Original Paper 18 August 2023 Pages: 1953 - 1980

    

18. Adaptive discontinuous Galerkin finite element methods for the Allen-Cahn equation on polygonal meshes

    • Rui Li
    • Yali Gao
    • Zhangxin Chen

    Original Paper 10 August 2023 Pages: 1981 - 2014