1. Second-order cone and semidefinite methods for the bisymmetric matrix approximation problem

   • Suliman Al-Homidan

   OriginalPaper Open access 23 August 2022 Pages: 397 - 406

   

2. A posteriori error estimators for discontinuous Galerkin method for diffusion problems, based on the hypercircle method

   • Dina N. Alsheikh
   • Theodoros Katsaounis

   OriginalPaper Open access 05 September 2022 Pages: 407 - 426

   

3. A modified Halpern-proximal point method for approximating solutions of mixed equilibrium and fixed point problems in Hadamard spaces

   • K. O. Aremu
   • M. Aphane
   • O. K. Oyewole

   OriginalPaper Open access 14 June 2022 Pages: 427 - 441

   

4. Extended three step sixth order Jarratt-like methods under generalized conditions for nonlinear equations

   • Ioannis K. Argyros
   • Debasis Sharma
   • Michael I. Argyros

   OriginalPaper Open access 19 July 2022 Pages: 443 - 457

   

5. Evolution of Yamabe constant along the Ricci–Bourguignon flow

   • Shahroud Azami
   • Abimbola Abolarinwa

   OriginalPaper Open access 13 May 2022 Pages: 459 - 467

6. Perrin numbers that are concatenations of two repdigits

   • Herbert Batte
   • Taboka P. Chalebgwa
   • Mahadi Ddamulira

   OriginalPaper Open access 25 August 2022 Pages: 469 - 478

7. Stabilization of a nonlinear Euler–Bernoulli beam

   • Djamila Benterki
   • Nasser-Eddine Tatar

   OriginalPaper Open access 29 April 2022 Pages: 479 - 496

8. Nonlocal fractional system involving the fractional p, q-Laplacians and singular potentials

   • Kheireddine Biroud

   OriginalPaper Open access 11 July 2022 Pages: 497 - 505

9. On some new generalized fractional inequalities for twice differentiable functions

   • Hüseyin Budak
   • Melike Yavuz
   • Hasan Kara

   OriginalPaper Open access 30 June 2022 Pages: 507 - 519

10. An eco-epidemic model with seasonal variability: a non-autonomous model

    • Jyoti Gupta
    • Joydip Dhar
    • Poonam Sinha

    OriginalPaper Open access 27 May 2022 Pages: 521 - 538

    

11. Maximal regularity for semilinear non-autonomous evolution equations in temporally weighted spaces

    • Tebbani Hossni
    • Achache Mahdi

    OriginalPaper Open access 07 September 2022 Pages: 539 - 547

12. A theorem on the number of distinct eigenvalues

    • Rachid Marsli

    OriginalPaper Open access 03 June 2022 Pages: 549 - 556

13. On the inter-critical inhomogeneous generalized Hartree equation

    • Tarek Saanouni
    • Talal Alharbi

    OriginalPaper Open access 11 July 2022 Pages: 557 - 583

14. A new sixth-order Jarratt-type iterative method for systems of nonlinear equations

    • Saima Yaseen
    • Fiza Zafar

    OriginalPaper Open access 11 July 2022 Pages: 585 - 599

    

15. Spectral Galerkin treatment of linear one-dimensional telegraph type problem via the generalized Lucas polynomials

    • Y. H. Youssri
    • W. M. Abd-Elhameed
    • A. G. Atta

    OriginalPaper Open access 08 May 2022 Pages: 601 - 615