Mini-courses
Ugo Bruzzo ● UFPB, Brazil -- SISSA, Italy
McKay correspondence in 3 dimensions:
Between algebraic geometry, differential geometry, and physics
Luiz Agostinho Ferreira ● IFSC, Brazil
Hidden symmetries
Radouane Gannouji ● PUCV, Chile
Ostrogradsky instability
Maurício Richartz ● UFABC, Brazil
Introduction to Black hole perturbation theory
Ricardo Troncoso ● CECs, Chile
Asymptotic structure of spacetime