Volume 16 (2025)
New Results Regarding the Permutation Cycle Structure of Almost Moore Digraphs
Edy T. Baskoro, Arnau Messegué, Josep M. Miret
Pages: 1–7 | DOI: 10.47443/dml.2025.054
Vertex Degrees in Grid Graphs of Permutations
Aubrey Blecher, Arnold Knopfmacher
Pages: 8–14 | DOI: 10.47443/dml.2025.107
Fifteen Series on Harmonic Numbers and Quintic Central Binomial Coefficients
Chunli Li, Wenchang Chu
Pages: 15–20 | DOI: 10.47443/dml.2025.084
On the Spectra and Energy of the $A_\alpha$ Matrix of Digraphs
Shariefuddin Pirzada, Saqib Mushtaq
Pages: 21–28 | DOI: 10.47443/dml.2025.079
On a Class of Graphs with Equal Domination and Certified Domination Numbers
Mateusz Miotk
Pages: 29–34 | DOI: 10.47443/dml.2025.085
Hamiltonicity in Directed Toeplitz Graphs with $s_1 = 1$ and $s_2 = 3$
Shabnam Malik, Ahmad Mahmood Qureshi
Pages: 35–42 | DOI: 10.47443/dml.2025.109
On the Limitations of ROBDDs in Deciding the Evasiveness of Boolean Functions
Jesús Aransay, Laureano Lambán, Julio Rubio
Pages: 43–50 | DOI: 10.47443/dml.2025.089
Exponential Second Zagreb Index of Connected Graphs
Batmend Horoldagva, Lkhagva Buyantogtokh, Shiikhar Dorjsembe
Pages: 51–58 | DOI: 10.47443/dml.2025.115
Isomorphism Theorems for Impartial Combinatorial Games
Mikhail Baltushkin, Dana C. Ernst, Nándor Sieben
Pages: 59–66 | DOI: 10.47443/dml.2025.071
What Is and Is Not Inside a Cayley Graph?
Kolja Knauer, Álvaro Soto Gómez
Pages: 67–72 | DOI: 10.47443/dml.2025.111
On the Square PI Index of Graphs
Liju Alex, Ivan Gutman, Dariush Heidari, Mohammadreza Rostami
Pages: 73–79 | DOI: 10.47443/dml.2025.118
Elementary Proofs of Recent Congruences for Overpartitions Wherein Non-Overlined Parts Are Not Divisible by 6
Bishnu Paudel, James A. Sellers, Haiyang Wang
Pages: 80–87 | DOI: 10.47443/dml.2025.121
On a Conjecture Involving the Spectral Radius and the Second Zagreb Index of a Graph
Tomislav Došlić, Dragan Stevanović, Damir Vukičević
Pages: 88–93 | DOI: 10.47443/dml.2025.169
Improved Bounds on the Domatic Numbers of Queens Graphs
Juho Lauri
Pages: 94–99 | DOI: 10.47443/dml.2025.112
Explicit Expression for the Product of the Classes of Fixed-Point Free Involutions
Omar Tout, Alain Goupil, Ibrahim Al-Ayyoub
Pages: 100–107 | DOI: 10.47443/dml.2025.140
On the Hyperbolic Sombor Index and Its Counterpart
Abeer M. Albalahi, Shibsankar Das, Akbar Ali, Jayjit Barman, Amjad E. Hamza
Pages: 108–115 | DOI: 10.47443/dml.2025.176
On a Lower Bound for the Number of Vertices of an Integral Graph With a Given Diameter
Carlos M. da Fonseca, Paulo Saraiva
Pages: 116–120 | DOI: 10.47443/dml.2025.170
On the Maximum Augmented Sombor Index of Molecular Trees With a Perfect Matching
Bochao Zheng, Zhen Lin
Pages: 121–126 | DOI: 10.47443/dml.2025.194
Associative Triples and Homomorphisms Between Travel Groupoids on Finite Geodetic Graphs
Sergiy Kozerenko, Yur-Liubomysl Dekhtiar
Pages: 127–134 | DOI: 10.47443/dml.2025.193
Bond Incident Degree Indices of Fixed-Order Unicyclic Graphs
Akbar Ali, Kinkar Chandra Das, Adel A. Attiya
Pages: 135–142 | DOI: 10.47443/dml.2025.192