Notice of Postponed (updated on March 23rd, 2022)

We regret to announce that the WSGT 2020 conference planned for September 23-25, 2020 at Niterói, Rio de Janeiro has now officially been postponed due to the current Covid-19 health emergency.
We are aiming to hold the conference at the second semester of 2023, and we hope to confirm the final dates for the event as soon as possible.

We would like to invite you to the Workshop on Spectral Graph Theory 2020. The aim is to bring together young and experienced researchers in subjects related to spectral graph theory and its applications. Recent developments and an opportunity to exchange new ideas are expected as outcomes of this workshop.

WSGT 2020


Brazil, Niterói RJ

September, 23-25, 2020.


Federal Fluminense University

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Welcome to WSGT 2020

On this occasion, we will celebrate the 70th birthday of Professor Nair Abreu.


Auditorium of Museu de Arte Contemporânea (MAC), in Niteroi, Rio de Janeiro, Brazil.


In order to participate, please register here.

If you would like to give a talk, please submit a one-page abstract here.

Please direct all questions to