Ordering graphs with index in the interval (2, sqrt(2+sqrt(5))). - Francesco Belardo; Enzo Maria Li Marzi; Slobodan K. Simic (Discret. Appl. Math., 2008)

On the index of caterpillars. - Slobodan K. Simic; Enzo Maria Li Marzi; Francesco Belardo (Discret. Math., 2008)

Some results on the signless Laplacians of graphs. - Jianfeng Wang; Qiongxiang Huang; Xinhui An; Francesco Belardo (Appl. Math. Lett., 2010)

Spectral Characterizations of Dumbbell Graphs. - Jianfeng Wang; Francesco Belardo; Qiongxiang Huang; Enzo Maria Li Marzi (Electron. J. Comb., 2010)

Trees with minimal index and diameter at most four. - Francesco Belardo; Enzo Maria Li Marzi; Slobodan K. Simic (Discret. Math., 2010)

On the two largest Q-eigenvalues of graphs. - Jianfeng Wang; Francesco Belardo; Qiongxiang Huang; Bojana Borovicanin (Discret. Math., 2010)

On the spectral characterizations of ∞-graphs. - Jianfeng Wang; Qiongxiang Huang; Francesco Belardo; Enzo Maria Li Marzi (Discret. Math., 2010)

On the Index of Necklaces. - Francesco Belardo; Enzo Maria Li Marzi; Slobodan K. Simic; Jianfeng Wang (Graphs Comb., 2010)

Almost every complement of a tadpole graph is not chromatically unique. - Jianfeng Wang; Qiongxiang Huang; Kok Lay Teo; Francesco Belardo; Ruying Liu; Chengfu Ye (Ars Comb., 2013)

Signless Laplacian eigenvalues and circumference of graphs. - Jianfeng Wang; Francesco Belardo (Discret. Appl. Math., 2013)

Perturbations on bidegreed graphs minimizing the spectral radius. - Francesco Belardo (Electron. Notes Discret. Math., 2013)

Signed line graphs with least eigenvalue -2: The star complement technique. - Francesco Belardo; Enzo Maria Li Marzi; Slobodan K. Simic (Discret. Appl. Math., 2016)

The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017. - Francesco Belardo (Art Discret. Appl. Math., 2018)

Open problems in the spectral theory of signed graphs. - Francesco Belardo; Sebastian M. Cioaba; Jack H. Koolen; Jianfeng Wang (Art Discret. Appl. Math., 2018)

Wreath product of a complete graph with a cyclic graph: Topological indices and spectrum. - Francesco Belardo; Matteo Cavaleri; Alfredo Donno (Appl. Math. Comput., 2018)

Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2. - Xiyuan Feng; Jianfeng Wang; Francesco Belardo (Ars Comb., 2018)

The anti-adjacency matrix of a graph: Eccentricity matrix. - Jianfeng Wang; Mei Lu; Francesco Belardo; Milan Randic (Discret. Appl. Math., 2018)

Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues. - Francesco Belardo; Maurizio Brunetti; Adriana Ciampella (Discret. Appl. Math., 2019)

Unified extremal results of topological indices and spectral invariants of graphs. - Yuedan Yao; Muhuo Liu; Francesco Belardo; Chao Yang 003 (Discret. Appl. Math., 2019)

On the multiplicity of α as an Aα(Γ)-eigenvalue of signed graphs with pendant vertices. - Francesco Belardo; Maurizio Brunetti; Adriana Ciampella (Discret. Math., 2019)

Spectral properties of the eccentricity matrix of graphs. - Jianfeng Wang; Mei Lu; Lu Lu 012; Francesco Belardo (Discret. Appl. Math., 2020)

Preface. - Milica Andelic; Francesco Belardo; Zoran Stanic (Discuss. Math. Graph Theory, 2020)

Balancedness and the least Laplacian eigenvalue of some complex unit gain graphs. - Francesco Belardo; Maurizio Brunetti; Nathan Reff (Discuss. Math. Graph Theory, 2020)

Graphs whose Aα radius does not exceed 2. - Francesco Belardo; Xiaogang Liu; Jianfeng Wang; Jing Wang 091 (Discuss. Math. Graph Theory, 2020)

Locating eigenvalues of unbalanced unicyclic signed graphs. - Francesco Belardo; Maurizio Brunetti; Vilmar Trevisan (Appl. Math. Comput., 2021)

The minimal augmented Zagreb index of k-apex trees for k∈{1, 2, 3}. - Kun Cheng; Muhuo Liu; Francesco Belardo (Appl. Math. Comput., 2021)

Total graph of a signed graph. - Francesco Belardo; Zoran Stanic; Tomas Zaslavsky (Ars Math. Contemp., 2022)

The k-apex trees with minimum augmented Zagreb index. - Muhuo Liu; Shumei Pang; Francesco Belardo; Akbar Ali (Discret. Math., 2023)

Limit points of (signless) Laplacian spectral radii of linear trees. - Francesco Belardo; Elismar R. Oliveira; Vilmar Trevisan (Appl. Math. Comput., 2024)

Limit points for the spectral radii of signed graphs. - Francesco Belardo; Maurizio Brunetti (Discret. Math., 2024)

A switching method for constructing cospectral gain graphs. - Aida Abiad; Francesco Belardo; Antonina P. Khramova (Discret. Math., 2024)

Developments on the Hoffman program of graphs. - Jianfeng Wang; Jing Wang 091; Maurizio Brunetti; Francesco Belardo; Ligong Wang (Adv. Appl. Math., 2025)

Maximal Lanzhou index of trees and unicyclic graphs with prescribed diameter. - Peichao Wei; Wuding Jia; Francesco Belardo; Muhuo Liu (Appl. Math. Comput., 2025)

On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number. - Shariefuddin Pirzada; Saleem Khan; Francesco Belardo (Discuss. Math. Graph Theory, 2025)