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math.PR2020
Ollivier-Ricci curvature convergence in random geometric graphs
Pim van der Hoorn, William J. Cunningham, Gabor Lippner +2
Connections between continuous and discrete worlds tend to be elusive. One example is curvature. Even though there exist numerous nonequivalent definitions of graph curvature, none…
hep-th2020
Tensor network renormalization with fusion charges: applications to 3d lattice gauge theory
William J. Cunningham, Bianca Dittrich, Sebastian Steinhaus
Tensor network methods are powerful and efficient tools to study the properties and dynamics of statistical and quantum systems, in particular in one and two dimensions. In recent…