A subdifferential framework certifies conformal rigidity via orbit-isometric embeddings, reducing the problem for vertex-transitive graphs to a single-eigenvector check and in general to linear feasibility or Gröbner bases.
The fastest mixing Markov process on a graph and a connection to a maximum variance unfolding problem.SIAM Rev., 48(4):681– 699, 2006
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Conformal Rigidity of Graphs: Subdifferentials and Orbit-Isometries
A subdifferential framework certifies conformal rigidity via orbit-isometric embeddings, reducing the problem for vertex-transitive graphs to a single-eigenvector check and in general to linear feasibility or Gröbner bases.