Combinatorics / CONCEPT
Enumeration for Four Forbidden Patterns
The four-pattern avoidance class has the asserted rational generating function.
Closed
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES0
PROOF DEPTH20
DOCUMENT LINKS1
Four-pattern generating function
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
Certified topology / DOWNSTREAM
Consequences
None recorded in this release.
RELATED KNOWLEDGE
Structural connections
- Avoidance after Two-Prefix Insertionstructural-affinity · Closed
- Classification of Primitive Avoidersstructural-affinity · Closed
- Crossing after an Initial Twostructural-affinity · Closed
- Forced Prefix after an Initial Twostructural-affinity · Closed
- Ordering after the First Primitive Blockstructural-affinity · Closed
- Primitive Two-Prefix Constructionstructural-affinity · Closed
- Removing the Doubled Largest Prefixstructural-affinity · Closed
- The Tail after an Initial Twostructural-affinity · Closed
Documents & exposition
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
Content history
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