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Theorems · Theorem · Lie groups

Set.isClosed_centralizer

∀ {M : Type u_1} (s : Set M) [inst : Mul M] [inst_1 : TopologicalSpace M] [SeparatelyContinuousMul M] [T2Space M],
  IsClosed s.centralizer

In a Hausdorff magma with continuous multiplication, the centralizer of any set is closed.

Defined in
Mathlib.Topology.Algebra.Group.Basic
Cited by
4 results in Mathlib
Foundations
Depth 74 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MulTopologicalSpaceSeparatelyContinuousMulT2Space

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Cites14

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Cited by4

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