Volume 17 (2026)
Research Articles
Cozonality in Plane Graphs of Maximum Degree Four
Andrew Bowling, Richard M. Low
Pages: 1–6 | DOI: 10.47443/dml.2025.220
On the Sum of the Randić Index and the Reciprocal Randić Index of Uniform Hypergraphs
Wei Gao
Pages: 7–14 | DOI: 10.47443/dml.2025.164
Maximum Non-Self-Centrality Number of Trees With a Fixed Number of Pendant Vertices
Laiba Mudusar, Faryal Karim, Rashid Farooq
Pages: 15–21 | DOI: 10.47443/dml.2025.161
On the Hamming Spectrum and Hamming Energy of Graphs
Bojana Borovićanin, Nenad Stojanović, Nemanja Vučićević
Pages: 22–29 | DOI: 10.47443/dml.2026.014
Levels in Baryiamonds
Toufik Mansour
Pages: 30–36 | DOI: 10.47443/dml.2025.235
Realizability in Proper Total Domination in Graphs
Gary Chartrand, Ebrahim Salehi, Ping Zhang
Pages: 37–44 | DOI: 10.47443/dml.2026.029
Note on the Eternal Domination Number of Planar Graphs and Vertex-Critical Graphs
Kenji Kimura, Naoki Matsumoto, Tsukasa Sato
Pages: 45–50 | DOI: 10.47443/dml.2025.208
Set Systems Containing No Singleton Intersection and the Delsarte Number
William Linz
Pages: 51–56 | DOI: 10.47443/dml.2025.230
On Restrained Coalitions in Graphs: Bounds and Exact Values
Andrey A. Dobrynin, Aleksey N. Glebov, Hamidreza Golmohammadi
Pages: 57–63 | DOI: 10.47443/dml.2025.223
A Note on Orderenergetic Graphs and Unrecognized Direct Products
Dragan Stevanović
Pages: 64–69 | DOI: 10.47443/dml.2026.013
Signed Toral Tessellations Whose Spectrum Consists of Exactly Two Symmetric Eigenvalues
Zoran Stanić
Pages: 70–74 | DOI: 10.47443/dml.2025.225
Splitting Vertices of Bipartite Graphs Preserves de Bruijn–Erdős Property
Laurent Beaudou, Guillermo Gamboa Quintero
Pages: 75–80 | DOI: 10.47443/dml.2025.202
Sum of Squares of Vertex Degrees of Simple Planar $(n,m)$-Graphs
Batmend Horoldagva, Tsend-Ayush Selenge, Ivan Gutman
Pages: 81–86 | DOI: 10.47443/dml.2026.072
A Note on Integer Programming Methods for Mixed Radial Moore Graphs
Aida Abiad, Jesús M. Ceresuela, Nacho López
Pages: 87–92 | DOI: 10.47443/dml.2026.107
Repetition in Permutation Wordle
Aurora Hiveley
Pages: 93–100 | DOI: 10.47443/dml.2026.112
Review Article
Survey on Extremal Results and Bounds for Elliptic Sombor and Euler-Sombor Indices
Akbar Ali, Ivan Gutman, Tamás Réti, Abeer M. Albalahi, Amjad E. Hamza
Pages: 101–112 | DOI: 10.47443/dml.2026.056