1. Fixed point theorems for interpolative \({\grave{\rm C}}{\text{iri}}{\grave{\rm c}}\)-type contraction mappings in convex hull combination of Busemann space with an application to fractional differential equations

   • Lucas Wangwe

   Original Research Paper 23 August 2023 Pages: 613 - 636

   

2. Some novel analyses of the Caputo-type singular three-point fractional boundary value problems

   • R. Poovarasan
   • Pushpendra Kumar
   • V. Govindaraj

   Original Research Paper 25 August 2023 Pages: 637 - 658

   

3. Zabreiko’s lemma in 2-normed space and its applications

   • Akshay S. Rane

   Original Research Paper 25 August 2023 Pages: 659 - 668

4. A common fixed point theorem for pairs of non-self mappings in a length space

   • Olawale K. Oyewole
   • Simeon Reich
   • Alexander J. Zaslavski

   Original Research Paper 28 August 2023 Pages: 669 - 680

5. On property-\((P_1)\) and semi-continuity properties of restricted Chebyshev-center maps in \(\ell _{\infty }\)-direct sums

   • Teena Thomas

   Original Research Paper 05 September 2023 Pages: 681 - 695

6. Extended convergence for two-step methods with non-differentiable parts in Banach spaces

   • Ioannis K. Argyros
   • Santhosh George
   • Kedarnath Senapati

   Original Research Paper 05 September 2023 Pages: 697 - 709

7. A probabilistic generalization of the Bell polynomials

   • R. Soni
   • P. Vellaisamy
   • A. K. Pathak

   Original Research Paper 06 September 2023 Pages: 711 - 732

8. Existence of three weak solutions for a nonlinear problem with mixed boundary condition in a variable exponent Sobolev space

   • Junichi Aramaki

   Original Research Paper 07 September 2023 Pages: 733 - 755

9. Titchmarsh theorems for Hölder-Lipschitz functions on profinite groups

   • J. P. Velasquez-Rodriguez

   Original Research Paper 12 September 2023 Pages: 757 - 785

10. Geometric characterization of level set families of harmonic functions on Riemannian manifolds

    • Cunda Lin

    Original Research Paper Open access 12 September 2023 Pages: 787 - 794

11. Solution of a transshipment problem with uncertain parameters under impaired and enhanced flow

    • D. Dey Sarkar
    • Samarjit Kar
    • Shivani Sharma

    Original Research Paper 13 September 2023 Pages: 795 - 821

    

12. Denumerably many positive symmetric solutions for integral 2-point iterative systems

    • K. R. Prasad
    • K. Bhushanam

    Original Research Paper 15 September 2023 Pages: 823 - 841

13. A unified matrix approach to the Legendre–Sheffer and certain hybrid polynomial sequences

    • Shahid Ahmad Wani
    • Tabinda Nahid
    • Mdi Begum Jeelani

    Original Research Paper 20 September 2023 Pages: 843 - 867

14. Hermite–Hadamard type inequalities for higher-order convex functions and applications

    • Doan Thi Thuy Van
    • Tran Minh Vu
    • Duong Quoc Huy

    Original Research Paper 20 September 2023 Pages: 869 - 888

15. Estimation of common fixed points of SKC mappings and an application to fractional differential equations

    • Javid Ali
    • Mohd Jubair

    Original Research Paper 21 September 2023 Pages: 889 - 913

    

16. Applications of the Mittag–Leffler function in solvability and stability of a class of fractional Langevin equations with two fractional orders

    • Hamid Baghani
    • Juan J. Nieto

    Original Research Paper 28 September 2023 Pages: 915 - 929

17. On the generalization of Mersenne and Gaussian Mersenne polynomials

    • Munesh Kumari
    • Kalika Prasad
    • Jagmohan Tanti

    Original Research Paper 05 October 2023 Pages: 931 - 947

18. Fixed point theorems for metric tower mappings in complete metric spaces

    • Godwin Amechi Okeke
    • Daniel Francis

    Original Research Paper 06 October 2023 Pages: 949 - 991

19. Kantorovich inequality for positive operators on quaternionic Hilbert spaces

    • Preeti Dharmarha
    • Ramkishan

    Original Research Paper 10 October 2023 Pages: 993 - 1007

20. Analytical solution of a class of Lane–Emden equations: Adomian decomposition method

    • Richard Olu Awonusika

    Original Research Paper 10 October 2023 Pages: 1009 - 1056

21. Deferred statistical convergence of double sequences in neutrosophic normed spaces

    • Ömer Kişi
    • Chiranjib Choudhury

    Original Research Paper 13 October 2023 Pages: 1057 - 1078

22. Infinitely many distributional solutions to a general kind of nonlinear fractional Schrödinger-Poisson systems

    • Hamza Boutebba
    • Hakim Lakhal
    • Kamel Slimani

    Original Research Paper 16 October 2023 Pages: 1079 - 1091

23. On a class of Drazin invertible operators for which \(\left( S^{*}\right) ^{2}\left( S^{D}\right) ^{2}=\left( S^{*}S^{D}\right) ^{2}\)

    • Messaoud Guesba
    • Sid Ahmed Ould Ahmed Mahmoud

    Original Research Paper 24 October 2023 Pages: 1093 - 1109

24. Fractal Laplace transform: analyzing fractal curves

    • Alireza Khalili Golmankhaneh
    • Kerri Welch
    • Rosana Rodríguez-López

    Original Research Paper 27 October 2023 Pages: 1111 - 1137

    

25. Remarks on “some fixed point theorems for s-convex subsets in p-normed spaces”

    • Lu Yu

    Original Research Paper 08 November 2023 Pages: 1139 - 1143

26. On enriched Hardy–Rogers contractions in Banach space via Krasnoselskij iteration with an application

    • Pragati Gautam
    • Santosh Kumar
    • Soumya Gulati

    Original Research Paper 14 November 2023 Pages: 1145 - 1160

    

27. Fractal surfaces in Hölder and Sobolev spaces

    • Ekta Agrawal
    • Saurabh Verma

    Original Research Paper 16 November 2023 Pages: 1161 - 1179

    

28. Equivalence of certain iteration processes via averaged mappings

    • Rizwan Anjum
    • Safeer Hussain Khan

    Original Research Paper 17 November 2023 Pages: 1181 - 1198

    

29. Approximation by means of modified Bernstein operators with shifted knots

    • Naokant Deo
    • Km. Lipi

    Original Research Paper 18 November 2023 Pages: 1199 - 1213

    

30. The fractional Fourier–Jacobi wavelet transform

    • Othman Tyr
    • Faouaz Saadi

    Original Research Paper 24 November 2023 Pages: 1215 - 1236