trureturingGitHub MATHEMATICAL ATLAS

ConceptDynamics / CONCEPT

Fixed-Symmetry Obstruction to Equivariant Selection

One fixed-state symmetry without admissible fixed actions obstructs equivariant selection.

Closed Authored exposition
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES1
PROOF DEPTH1
DOCUMENT LINKS1
THEOREM

No equivariant deterministic selector exists under a fixed-point-free stabilizer

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Stabilizer Obstruction to Equivariant SelectionStabilizer Obstruction toEquivariant SelectionFixed-Symmetry Obstruction to Equivariant SelectionFixed-Symmetry Obstruction toEquivariant SelectionFixed Symmetry and Its Declared Breaking SourcesFixed Symmetry and Its DeclaredBreaking Sources
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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S3
Domain
ConceptDynamics
Node ID
D5/S3/ConceptDynamics/Attribution/FixedSymmetrySelectorObstruction
Repository path
D5/S3/ConceptDynamics/Attribution/FixedSymmetrySelectorObstruction.lean
Truth release
sha256:c0d04258d27972c1cf58485e21d64dbcbe336405346ba95133913c64ba2856aa
Source commit
745bf90812f7175f83e1235688249f9495f23bfc
Source tree
143bc6c9ab9054c406f0cdd7f3b296eb38768b5c

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Dependency edges, status, and source coordinates come from the verified release and certified topology. Blueprint exposition is labeled separately. A fallback title carries no additional mathematical authority.