Important announcement

We are constantly monitoring the situation concerning the spread of the coronavirus (COVID-19) and we decide to postpone the meeting. Based on the situation, we will make a final decision on the date of the event. The registration (via e-mail) will continue without changes. New deadlines for closing registration and for payments will be set in advance. The information will be available on the webpage and will be also sent to participants via e-mail. Stay in touch with us for new information.

Best wishes to all of you and your families,
The organizers of CS3 Workshop.


Combinatorial Structures on Surfaces and Their Symmetries

June 29 - July 3, 2020 • Aveiro

The workshop is dedicated to the honour of António Breda and Roman Nedela on the occasion of their 60th birthday.

Main topics of the workshop:
  • Algebraic and topological graph theory
  • Graph colourings
  • Maps, hypermaps and related structures
  • Abstract polytopes and related structures
  • Riemann surfaces

Invited speakers

Domenico Catalano

University of Aveiro, Portugal

Marston Conder

University of Auckland, New Zealand

Shaofei Du

Capital Normal University, Beijing, Public Republic of China

Gareth Jones

University of Southampton, United Kingdom

Alexander Mednykh

Sobolev Institute of Mathematics, Novosibirsk, Russia

Egon Schulte

Northeastern University, Boston, MA, United States

Jozef Širáň

The Open University, Milton Keynes, UK
Slovak University of Technology, Bratislava, Slovakia

Martin Škoviera

Comenius University, Bratislava, Slovakia

Steve Wilson

Northern Arizona University, Flagstaff, AZ, United States

Important dates

January 31, 2020

Registration and abstract submission

February 29, 2020

Early payment

May 31, 2020

Late payment