1. On a Trigonometric Inequality of Szegő

   • H. Alzer
   • M. K. Kwong

   OriginalPaper 11 May 2021 Pages: 261 - 271

2. On the Mutual Singularity of Hewitt-Stromberg Measures

   • N. Attia
   • B. Selmi

   OriginalPaper 04 May 2021 Pages: 273 - 283

3. Approximation by Θ-Means of Walsh—Fourier Series in Dyadic Hardy Spaces and Dyadic Homogeneous Banach Spaces

   • I. Blahota
   • K. Nagy
   • M. Salim

   OriginalPaper 11 May 2021 Pages: 285 - 309

4. Asymptotics of Generalized Partial Theta Functions with a Dirichlet Character

   • S. Hu
   • M.-S. Kim

   OriginalPaper 10 April 2021 Pages: 311 - 328

5. A Mean Ergodic Theorem for Nonexpansive Mappings in Hadamard Spaces

   • H. Khatibzadeh
   • H. Pouladi

   OriginalPaper 04 May 2021 Pages: 329 - 342

6. Non-Spectral Problem on Infinite Bernoulli Convolution

   • Q. Li
   • Z.-Y. Wu

   OriginalPaper 16 January 2021 Pages: 343 - 355

7. Musielak-Orlicz-Bumps and Bloom Type Estimates for Commutators of Calderón-Zygmund and Fractional Integral Operators on Generalized Zygmund Spaces Via Sparse Operators

   • L. Melchiori
   • G. Pradolini
   • W. Ramos

   OriginalPaper 10 April 2021 Pages: 357 - 383

8. Hausdorff Operators on Real Hardy Spaces H¹ Over Homogeneous Spaces with Local Doubling Property

   • A. R. Mirotin

   OriginalPaper 31 May 2021 Pages: 385 - 403

9. Meromorphic Solutions of Some Complex Non-Linear Difference Equations

   • X.-G. Qi
   • L.-Z. Yang

   OriginalPaper 11 May 2021 Pages: 405 - 419

10. Additive Results for Moore-Penrose Inverse of Lambert Conditional Operators

    • M. Sohrabi

    OriginalPaper 04 May 2021 Pages: 421 - 435

11. Approximation by Vilenkin Polynomials in Weighted Orlicz Spaces

    • S. Volosivets

    OriginalPaper 11 May 2021 Pages: 437 - 449

12. Sharp Embedding Relations Between Local Hardy and α-Modulation Spaces

    • G. Zhao
    • G. Gao
    • W. Guo

    OriginalPaper 10 April 2021 Pages: 451 - 481