Francesco Belardo

36 papers Journal 36
YearRankTypeTitle / Venue / Authors
2026 J jnl
On H-joins of complex unit gain graphs and their stability.
Discret. Math.
Callum Huntington, Stefano Spessato, Francesco Belardo
2025 J jnl
Developments on the Hoffman program of graphs.
Adv. Appl. Math.
Jianfeng Wang, Jing Wang, Maurizio Brunetti, Francesco Belardo, Ligong Wang
2025 J jnl
Maximal Lanzhou index of trees and unicyclic graphs with prescribed diameter.
Appl. Math. Comput.
Peichao Wei, Wuding Jia, Francesco Belardo, Muhuo Liu
2025 J jnl
On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number.
Discuss. Math. Graph Theory
Shariefuddin Pirzada, Saleem Khan, Francesco Belardo
2024 J jnl
A switching method for constructing cospectral gain graphs.
Discret. Math.
Aida Abiad, Francesco Belardo, Antonina P. Khramova
2024 J jnl
Limit points for the spectral radii of signed graphs.
Discret. Math.
Francesco Belardo, Maurizio Brunetti
2024 J jnl
Limit points of (signless) Laplacian spectral radii of linear trees.
Appl. Math. Comput.
Francesco Belardo, Elismar R. Oliveira, Vilmar Trevisan
2023 J jnl
The
Discret. Math.
Muhuo Liu, Shumei Pang, Francesco Belardo, Akbar Ali
2022 J jnl
Total graph of a signed graph.
Ars Math. Contemp.
Francesco Belardo, Zoran Stanic, Tomas Zaslavsky
2021 J jnl
Locating eigenvalues of unbalanced unicyclic signed graphs.
Appl. Math. Comput.
Francesco Belardo, Maurizio Brunetti, Vilmar Trevisan
2021 J jnl
The minimal augmented Zagreb index of k-apex trees for k∈{1, 2, 3}.
Appl. Math. Comput.
Kun Cheng, Muhuo Liu, Francesco Belardo
2020 J jnl
Balancedness and the least Laplacian eigenvalue of some complex unit gain graphs.
Discuss. Math. Graph Theory
Francesco Belardo, Maurizio Brunetti, Nathan Reff
2020 J jnl
Graphs whose
Discuss. Math. Graph Theory
Francesco Belardo, Xiaogang Liu, Jianfeng Wang, Jing Wang
2020 J jnl
Preface.
Discuss. Math. Graph Theory
Milica Andelic, Francesco Belardo, Zoran Stanic
2020 J jnl
Spectral properties of the eccentricity matrix of graphs.
Discret. Appl. Math.
Jianfeng Wang, Mei Lu, Lu Lu, Francesco Belardo
2019 J jnl
Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues.
Discret. Appl. Math.
Francesco Belardo, Maurizio Brunetti, Adriana Ciampella
2019 J jnl
On the multiplicity of α as an Aα(Γ)-eigenvalue of signed graphs with pendant vertices.
Discret. Math.
Francesco Belardo, Maurizio Brunetti, Adriana Ciampella
2019 J jnl
Open problems in the spectral theory of signed graphs.
CoRR
Francesco Belardo, Sebastian M. Cioaba, Jack H. Koolen, Jianfeng Wang
2019 J jnl
Unified extremal results of topological indices and spectral invariants of graphs.
Discret. Appl. Math.
Yuedan Yao, Muhuo Liu, Francesco Belardo, Chao Yang
2018 J jnl
Open problems in the spectral theory of signed graphs.
Art Discret. Appl. Math.
Francesco Belardo, Sebastian M. Cioaba, Jack H. Koolen, Jianfeng Wang
2018 J jnl
Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2.
Ars Comb.
Xiyuan Feng, Jianfeng Wang, Francesco Belardo
2018 J jnl
The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017.
Art Discret. Appl. Math.
Francesco Belardo
2018 J jnl
The anti-adjacency matrix of a graph: Eccentricity matrix.
Discret. Appl. Math.
Jianfeng Wang, Mei Lu, Francesco Belardo, Milan Randic
2018 J jnl
Wreath product of a complete graph with a cyclic graph: Topological indices and spectrum.
Appl. Math. Comput.
Francesco Belardo, Matteo Cavaleri, Alfredo Donno
2016 J jnl
Signed line graphs with least eigenvalue -2: The star complement technique.
Discret. Appl. Math.
Francesco Belardo, Enzo Maria Li Marzi, Slobodan K. Simic
2013 J jnl
Almost every complement of a tadpole graph is not chromatically unique.
Ars Comb.
Jianfeng Wang, Qiongxiang Huang, Kok Lay Teo, Francesco Belardo, Ruying Liu, Chengfu Ye
2013 J jnl
Perturbations on bidegreed graphs minimizing the spectral radius.
Electron. Notes Discret. Math.
Francesco Belardo
2013 J jnl
Signless Laplacian eigenvalues and circumference of graphs.
Discret. Appl. Math.
Jianfeng Wang, Francesco Belardo
2010 J jnl
On the Index of Necklaces.
Graphs Comb.
Francesco Belardo, Enzo Maria Li Marzi, Slobodan K. Simic, Jianfeng Wang
2010 J jnl
On the spectral characterizations of ∞-graphs.
Discret. Math.
Jianfeng Wang, Qiongxiang Huang, Francesco Belardo, Enzo Maria Li Marzi
2010 J jnl
On the two largest Q-eigenvalues of graphs.
Discret. Math.
Jianfeng Wang, Francesco Belardo, Qiongxiang Huang, Bojana Borovicanin
2010 J jnl
Some results on the signless Laplacians of graphs.
Appl. Math. Lett.
Jianfeng Wang, Qiongxiang Huang, Xinhui An, Francesco Belardo
2010 J jnl
Spectral Characterizations of Dumbbell Graphs.
Electron. J. Comb.
Jianfeng Wang, Francesco Belardo, Qiongxiang Huang, Enzo Maria Li Marzi
2010 J jnl
Trees with minimal index and diameter at most four.
Discret. Math.
Francesco Belardo, Enzo Maria Li Marzi, Slobodan K. Simic
2008 J jnl
On the index of caterpillars.
Discret. Math.
Slobodan K. Simic, Enzo Maria Li Marzi, Francesco Belardo
2008 J jnl
Ordering graphs with index in the interval (2, sqrt(2+sqrt(5))).
Discret. Appl. Math.
Francesco Belardo, Enzo Maria Li Marzi, Slobodan K. Simic