Theorem SimpleGraph.IsIsolated.not_isUnit_degMatrix

Modification history

2026-08-27 20:56

Mathlib/Combinatorics/SimpleGraph/LapMatrix.lean

feat(Combinatorics/SimpleGraph/LapMatrix): 0 is always an eigenvalue (#39627) …

Added SimpleGraph.IsIsolated.not_isUnit_degMatrix View on Github →