1. In memory of Josef Král

   • Jaroslav Lukeš
   • Ivan Netuka
   • Jiří Veselý

   Announcement Pages: 1063 - 1083

2. On left C-U-liberal semigroups

   • Yong He
   • Fang Shao
   • Wei Gao

   OriginalPaper Pages: 1085 - 1108

3. A note on the diophantine equation x ² + b ^y = c ^z

   • Maohua Le

   OriginalPaper Pages: 1109 - 1116

4. On the maximal subgroup of the sandwich semigroup of generalized circulant Boolean matrices

   • Jinsong Chen
   • Yijia Tan

   OriginalPaper Pages: 1117 - 1129

5. Non-holonomic (r, s, q)-jets

   • Jiří M. Tomáš

   OriginalPaper Pages: 1131 - 1145

6. Operators of Hankel type

   • S. Bermudo
   • S. A. M. Marcantognini
   • M. D. Morán

   OriginalPaper Pages: 1147 - 1163

7. Steady state coexistence solutions of reaction-diffusion competition models

   • Joon Hyuk Kang
   • Jungho Lee

   OriginalPaper Pages: 1165 - 1183

8. Invertible commutativity preservers of matrices over max algebra

   • Seok-Zun Song
   • Kyung-Tae Kang
   • Young-Bae Jun

   OriginalPaper Pages: 1185 - 1192

9. Pasting topological spaces at one point

   • Ali Rezaei Aliabad

   OriginalPaper Pages: 1193 - 1206

10. On the Laplacian energy of a graph

    • Mirjana Lazić

    OriginalPaper Pages: 1207 - 1213

11. Weak homogeneity and Pierce’s theorem for MV-algebras

    • Ján Jakubík

    OriginalPaper Pages: 1215 - 1227

12. Samuel compactification and uniform coreflection of nearness σ-frames

    • Inderasan Naidoo

    OriginalPaper Pages: 1229 - 1241

13. Nodal solutions for a second-order m-point boundary value problem

    • Ruyun Ma

    OriginalPaper Pages: 1243 - 1263

14. On totally *-paranormal operators

    • Eungil Ko
    • Hae-Won Nam
    • Youngoh Yang

    OriginalPaper Pages: 1265 - 1280

15. A constructive method to determine the variety of filiform Lie algebras

    • F. J. Echarte
    • M. C. Márquez
    • J. Núñez

    OriginalPaper Pages: 1281 - 1299

16. Clifford-Hermite-monogenic operators

    • Fred Brackx
    • Nele de Schepper
    • Frank Sommen

    OriginalPaper Pages: 1301 - 1322

17. On the existence of prolongation of connections

    • Miroslav Doupovec
    • Włodzimierz M. Mikulski

    OriginalPaper Pages: 1323 - 1334