@mastersthesis{mastersthesisb160f272, title = {Multidimensional Contours à la Fröhlich-Spencer and Boundary Conditions for Quantum Spin Systems}, author = {Pereira, Lucas Affonso Silva and Bissacot, Rodrigo}, year = {2023}, doi = {10.11606/T.45.2023.tde-25092023-062451}, school = {Universidade de São Paulo} }