- Jakub Przybylo, Andrzej Zak. Largest Component and Node Fault Tolerance for Grids. Electr. J. Comb., 28(1), 2021.
- Mark Skandera. Characters and Chromatic Symmetric Functions. Electr. J. Comb., 28(2), 2021.
- Andrzej Grzesik, Tereza Klimosová, Marcin Pilipczuk, Michal Pilipczuk. Covering Minimal Separators and Potential Maximal Cliques in $P_t$-Free Graphs. Electr. J. Comb., 28(1), 2021.
- Andrés Eduardo Caicedo, Thomas A. C. Chartier, Péter Pál Pach. Coloring the $n$-Smooth Numbers with $n$ Colors. Electr. J. Comb., 28(1), 2021.
- Piotr Pokora. Hirzebruch-Type Inequalities Viewed as Tools in Combinatorics. Electr. J. Comb., 28(1), 2021.
- Pascal Ochem, Matthieu Rosenfeld. Avoidability of Palindrome Patterns. Electr. J. Comb., 28(1), 2021.
- Beáta Bényi, Toshiki Matsusaka. On the Combinatorics of Symmetrized Poly-Bernoulli Numbers. Electr. J. Comb., 28(1), 2021.
- Yuki Irie. The Sprague-Grundy Functions of Saturations of Misère Nim. Electr. J. Comb., 28(1), 2021.
- Dan Hu, Hajo Broersma, Jiangyou Hou, Shenggui Zhang. On the Spectra of General Random Mixed Graphs. Electr. J. Comb., 28(1), 2021.
- Gabriel Berzunza, Xing Shi Cai, Cecilia Holmgren. The $k$-Cut Model in Deterministic and Random Trees. Electr. J. Comb., 28(1), 2021.