1. On the balanced domination of graphs

   • Baogen Xu
   • Wanting Sun
   • Chunhua Li

   OriginalPaper 11 October 2021 Pages: 933 - 946

2. Matchings in complete bipartite graphs and the r-Lah numbers

   • Gábor Nyul
   • Gabriella Rácz

   OriginalPaper 26 May 2021 Pages: 947 - 959

3. Weakly compact sets in Orlicz sequence spaces

   • Siyu Shi
   • Zhongrui Shi
   • Shujun Wu

   OriginalPaper 14 June 2021 Pages: 961 - 974

4. Application of very weak formulation on homogenization of boundary value problems in porous media

   • Eduard Marušić-Paloka

   OriginalPaper 27 April 2021 Pages: 975 - 989

5. Pairs of square-free values of the type n² + 1, n² + 2

   • Stoyan Dimitrov

   OriginalPaper 17 June 2021 Pages: 991 - 1009

6. Summands of finite group algebras

   • Carsten Dietzel
   • Gaurav Mittal

   OriginalPaper 14 December 2020 Pages: 1011 - 1014

7. A note on classes of structured matrices with elliptical type numerical range

   • Natália Bebiano
   • Susana Furtado

   OriginalPaper 03 February 2021 Pages: 1015 - 1023

8. Piecewise hereditary algebras under field extensions

   • Jie Li

   OriginalPaper 28 June 2021 Pages: 1025 - 1034

9. On discrete mean values of Dirichlet L-functions

   • Ertan Elma

   OriginalPaper 02 February 2021 Pages: 1035 - 1048

10. On the powers of quasihomogeneous Toeplitz operators

    • Aissa Bouhali
    • Zohra Bendaoud
    • Issam Louhichi

    OriginalPaper 30 June 2021 Pages: 1049 - 1061

11. On the distribution of (k, r)-integers in Piatetski-Shapiro sequences

    • Teerapat Srichan

    OriginalPaper 26 March 2021 Pages: 1063 - 1070

12. Fiedler vectors with unbalanced sign patterns

    • Sooyeong Kim
    • Steve Kirkland

    OriginalPaper 16 April 2021 Pages: 1071 - 1098

13. A variety of Euler’s sum of powers conjecture

    • Tianxin Cai
    • Yong Zhang

    OriginalPaper 10 May 2021 Pages: 1099 - 1113

14. 5-dissections and sign patterns of Ramanujan’s parameter and its companion

    • Shane Chern
    • Dazhao Tang

    OriginalPaper 08 February 2021 Pages: 1115 - 1128

15. Notes on the average number of Sylow subgroups of finite groups

    • Jiakuan Lu
    • Wei Meng
    • Kaisun Wu

    OriginalPaper 19 March 2021 Pages: 1129 - 1132

16. The Mordell-Weil bases for the elliptic curve y² = x³ − m²x + m²

    • Sudhansu Sekhar Rout
    • Abhishek Juyal

    OriginalPaper 22 March 2021 Pages: 1133 - 1147

17. A note on arithmetic Diophantine series

    • Alexander E. Patkowski

    OriginalPaper 30 June 2021 Pages: 1149 - 1155

18. A q-congruence for a truncated 4φ3 series

    • Victor J. W. Guo
    • Chuanan Wei

    OriginalPaper 18 June 2021 Pages: 1157 - 1165

19. Derived dimension via τ-tilting theory

    • Yingying Zhang

    OriginalPaper 26 April 2021 Pages: 1167 - 1172

20. Schatten class generalized Toeplitz operators on the Bergman space

    • Chunxu Xu
    • Tao Yu

    OriginalPaper 17 June 2021 Pages: 1173 - 1188

21. Blow-up for 3-D compressible isentropic Navier-Stokes-Poisson equations

    • Shanshan Yang
    • Hongbiao Jiang
    • Yinhe Lin

    OriginalPaper 28 June 2021 Pages: 1189 - 1198

22. An example of a reflexive Lorentz Gamma space with trivial Boyd and Zippin indices

    • Alexei Karlovich
    • Eugene Shargorodsky

    OriginalPaper 25 June 2021 Pages: 1199 - 1209

23. On two supercongruences involving Almkvist-Zudilin sequences

    • Ji-Cai Liu
    • He-Xia Ni

    OriginalPaper 14 April 2021 Pages: 1211 - 1219

24. Sign changes of certain arithmetical function at prime powers

    • Rishabh Agnihotri
    • Kalyan Chakraborty

    OriginalPaper 23 April 2021 Pages: 1221 - 1228

25. Finite groups in which every self-centralizing subgroup is nilpotent or subnormal or a TI-subgroup

    • Jiangtao Shi
    • Na Li

    OriginalPaper 09 July 2021 Pages: 1229 - 1233

26. Projectively equivariant quantization and symbol on supercircle S^1∣3

    • Taher Bichr

    OriginalPaper 20 September 2021 Pages: 1235 - 1248