Explore the intricate concept of contravariant functoriality in graph algebras through this illuminating 1-hour and 15-minute lecture presented by Mariusz Tobolski from the University of Wrocław, Poland, at the Banach Center. Delve into the mathematical intricacies of graph theory and functional analysis as Tobolski unravels the complexities of this advanced topic, providing valuable insights for researchers and advanced students in the field of mathematics.