Curriculum Vitae of Francesco Belardo

Academic Contact

Position

Associate Professor of Geometry and Algebra

Institution

Department of Mathematics and Applications “R. Caccioppoli”, University of Naples Federico II

Address

Via Cintia, Monte Sant’Angelo, 80126 Naples, Italy

Email

fbelardo@unina.it

Telephone

+39 081 675708

Profiles

Personal webpage · Institutional profile · ORCID · MathSciNet · Google Scholar

Personal Information

Born

26 December 1978, Barcellona Pozzo di Gotto, Italy

Citizenship

Italian

Education

• 2007 — Ph.D. in Mathematics, University of Messina (awarded 19 February 2007).
• 2001 — Laurea in Mathematics (pre-Bologna degree, equivalent to an M.Sc.), University of Messina (awarded 25 July 2001).

Academic Appointments

• Oct 2015–present — Associate Professor of Geometry and Algebra, Department of Mathematics and Applications “R. Caccioppoli”, University of Naples Federico II.
• Jun 2014–Sep 2015 — Visiting Associate Professor, Faculty of Mathematics, Natural Sciences and Information Technologies (FAMNIT), University of Primorska, Slovenia.
• Oct 2012–Sep 2013 — Research Fellow, Department of Mathematics and Computer Science, University of Messina.
• Jul 2010–Jul 2011 — Research Fellow, Department of Mathematics, University of Messina.
• Jul 2008–Jul 2010 — Postdoctoral Fellow, Department of Mathematics, University of Messina.

Research Profile

Research in discrete mathematics, with a primary focus on spectral graph theory and combinatorial matrix theory. Current and recurrent themes include extremal spectral problems; spectral characterization and graph determination; signed, gain, and weighted graphs; eigenvalue location; graph invariants in mathematical chemistry; and applications of graph spectra to computer science.

Author or co-author of more than 85 peer-reviewed publications, including research articles and surveys.

Bibliometric Data

Scopus data retrieved 30 July 2026.

Editorial and Reviewing Activity

Current and past editorial roles

• Associate Editor, Electronic Journal of Linear Algebra, since 2020.
• Editor, Ars Mathematica Contemporanea, since 2020.
• Editorial Board Member, Discrete Mathematics Letters, since 2018.
• Editorial Board Member, The Art of Discrete and Applied Mathematics, since 2018.
• Editorial Board Member, Communications in Combinatorics and Optimization, since 2015.
• Graph Theory Section Editor, Filomat, 2013–2018.

Guest-edited volumes

• Transactions on Combinatorics, 11(3), 2022 (WGGTG 2021 proceedings).
• Discussiones Mathematicae Graph Theory, 40(2), 2020, devoted to the memory of Slobodan K. Simić.
• The Art of Discrete and Applied Mathematics, 1(2), 2018 (HyGraDe 2017 proceedings).
• Atti della Accademia Peloritana dei Pericolanti, 96(S2), 2018 (HyGraDe 2017 proceedings).

Journal referee (selection)

Applicable Analysis and Discrete Mathematics; Applied Mathematics Letters; Computers & Mathematics with Applications; Discrete Applied Mathematics; Discrete Mathematics; Electronic Journal of Combinatorics; Graphs and Combinatorics; Linear Algebra and its Applications; Linear and Multilinear Algebra; MATCH Communications in Mathematical and in Computer Chemistry; Utilitas Mathematica.

Conference and Workshop Organization

• 2026 — Co-organizer (with V. Trevisan), Special Session on Spectral Graph Theory, 2nd Joint Meeting Brazil–Italy in Mathematics, Messina, Italy, 7–11 September 2026 (forthcoming).
• 2026 — Member of the Organizing Committee, Combinatorics 2026, Naples, Italy, 25–29 May 2026.
• 2021 — Co-organizer (with C. Dalfó), Mini-Symposium on Spectral Graph Theory, 8th European Congress of Mathematics, Portorož, Slovenia, 20–26 June 2021.
• 2021 — Co-organizer (with F. G. Russo), Workshop on Graphs, Topology and Topological Groups, Cape Town, South Africa (online), 10 March 2021.
• 2019 — Organizer, Special Session on Spectral Graph Theory, 9th Slovenian International Conference on Graph Theory, Bled, Slovenia, 24–30 June 2019.
• 2019 — Member of the Scientific Committee, International Conference on Recent Achievements in Mathematical Science, Yazd, Iran, 14–18 January 2019.
• 2018 — Member of the Organizing Committee, Workshop on Algebraic Graph Theory and Complex Networks, Naples, Italy, 13–14 September 2018.
• 2017 — Chair of the Organizing Committee (with G. Lo Faro), Hypergraphs, Graphs and Designs, Sant’Alessio Siculo, Italy, 20–24 June 2017.
• 2017 — Member of the Organizing Committee, 13th International Conference on Finite Fields and their Applications, Gaeta, Italy, 4–10 June 2017.
• 2016 — Member of the Scientific Committee, Spectra of Graphs and Applications, Belgrade, Serbia, 18–20 May 2016.
• 2014 — Member of the International Scientific Committee, 13th Serbian Mathematical Congress, Vrnjačka Banja, Serbia, 22–25 May 2014.

Selected Invited and Plenary Talks

• 2025 — Plenary lecture, Eigenvalue location technique and the largest eigenvalue of graphs, Workshop on Spectral Graph Theory 2025, Gramado, Brazil, 28–31 October 2025.
• 2023 — Invited lecture, Cospectrality of gain graphs, Groups, Graphs and Everything in Between, Bled, Slovenia, 4–7 May 2023.
• 2021 — Invited lecture, Spectral theory of gain graphs, Research Workshop on Spectral Graph Theory, Zibo, China (online), 29 May 2021.
• 2019 — Invited lecture, Laplacian, subdivision and line graph of loopless weighted graphs, 22nd ILAS Conference, Rio de Janeiro, Brazil, 8–12 July 2019.
• 2018 — Invited lecture, Recent developments on the spectral determination of signed graphs, 8th Ph.D. Summer School in Discrete Mathematics, Rogla, Slovenia, 1–7 July 2018.
• 2018 — Plenary lecture, Connected graphs of fixed order and size with extremal spectral radius, Combinatorics 2018, Arco, Italy, 3–9 June 2018.
• 2018 — Plenary lecture, Spectral determination of signed graphs, 10th Conference on Graph Theory and Algebraic Combinatorics, Yazd, Iran, 17–18 January 2018.
• 2014 — Plenary lecture, Spectral theory of signed graphs, Conference on Computational Algebra, Computational Number Theory and Applications, Kashan, Iran, 17–20 December 2014.
• 2014 — Invited lecture, Algebraic frustration of signed graphs, 13th Serbian Mathematical Congress, Vrnjačka Banja, Serbia, 22–25 May 2014.

Teaching Experience

• 2015–present — Lecturer for undergraduate courses in Geometry and Algebra (6 ECTS, 48 hours) across engineering programmes, University of Naples Federico II.
• 2020–2021 — Spectral Graph Theory and Eigenvalue Location (20 hours, with V. Trevisan), Ph.D. programme in Mathematics, University of Naples Federico II.
• 2015–2016 — Graph Theory (20 hours), Ph.D. programme in Mathematics, University of Naples Federico II.
• 2014–2015 — Analysis I, Mathematical Topics in English I, and Discrete Mathematics II, English-language B.Sc. programme in Mathematics, FAMNIT, University of Primorska.
• 2010–2014 — Undergraduate teaching in Linear Algebra and Geometry, Digital Data Recovery, Geometry, and Mathematical and Statistical Calculus, University of Messina.

Research Projects and Funding

• 2024 — Principal Investigator, FRA (Type A), University of Naples Federico II, ASpecT3G.
• 2023–2024 — Italian Scientific Coordinator, Italy–South Africa Joint Research Programme, Spectral and Algebraic Methods in Quantum Information Theory.
• 2018–2021 — Italian Scientific Coordinator, Italy–South Africa Joint Research Programme, Algebraic Graph Theory and Complex Networks.
• 2016–2019 — Principal Investigator, FRA (Type A), University of Naples Federico II, Spectral Graph Theory and its Applications in Computer Science and Mathematical Chemistry (SGTACSMC).
• Member of local units for PRIN 2012 Geometric Structures, Combinatorics and their Applications (Naples), PRIN 2008 Combinatorial Designs, Graphs and their Applications (Messina), and PRIN 2005 Algebraic Structures, Combinatorics and their Applications (Catania).

PhD Students

• Suliman Khan, Ph.D., Università degli Studi della Campania “Luigi Vanvitelli”, 2025.
• Yongang Wang, Visiting PhD Student, East China University of Science and Technology, 2025.
• Callum Huntington, Ph.D., University of Naples Federico II, 2026.

Professional Memberships

• Istituto Nazionale di Alta Matematica (INdAM), GNSAGA, since 2004.
• Slovenian Discrete and Applied Mathematics Society (SDAMS), since 2018.
• International Linear Algebra Society (ILAS), since 2020.
• European Mathematical Society (EMS), since 2020.

Publications

The complete online bibliography contains 93 records: 88 journal articles and 5 editorials. It includes the publications issued in 2025 and 2026 and provides filters, search, DOI links, and BibTeX records.

View all publications