trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

A Component-Weighted Indecomposable Recurrence

Component lists determine the active-position polynomial of indecomposable Fishburn permutations avoiding 2431 and 3241.

Closed Authored exposition
DIRECT PREREQUISITES3
DIRECT CONSEQUENCES1
PROOF DEPTH8
DOCUMENT LINKS1
THEOREM

The active-position polynomial recurrence

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Indecomposability after Maximum InsertionIndecomposability after MaximumInsertionActive Positions in Direct Sums Avoiding 2431 and 3241Active Positions in Direct SumsAvoiding 2431 and 3241Updating Active Positions for 2431 and 3241 AvoidersUpdating Active Positions for2431 and 3241 AvoidersA Component-Weighted Indecomposable RecurrenceA Component-WeightedIndecomposable RecurrenceEnumeration of Two Fishburn Avoidance ClassesEnumeration of Two FishburnAvoidance Classes
Proof dependencyStructural affinityDocument link

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Lean sourceResearch workspace
Status
Closed
Depth
8
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/FishburnTenThirteen/FishburnTenThirteenBIndecomposable
Repository path
D5/S3/Combinatorics/FishburnTenThirteen/FishburnTenThirteenBIndecomposable.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.