trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Descent Criteria for Pattern Avoidance

Descent criteria characterize avoidance of 101 and 102.

Closed Authored exposition
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES2
PROOF DEPTH1
DOCUMENT LINKS1
THEOREM

Strong descent criterion

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Direct recorded relationships
Level Sequence DefinitionsLevel Sequence DefinitionsDescent Criteria for Pattern AvoidanceDescent Criteria for PatternAvoidanceInitial Spine BandInitial Spine BandWord Counts by Alphabet SizeWord Counts by Alphabet Size
Proof dependencyStructural affinityDocument link

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Certified provenance

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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/LevelSequence/LevelSequenceDescent
Repository path
D5/S3/Combinatorics/LevelSequence/LevelSequenceDescent.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
Source commit
b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
Source tree
37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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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.