FishburnBasicFourPatterns

Abstract

Mathematical definitions and results for Fishburn permutations and classical pattern avoidance.

Theorem 1.1 (Theorem maximum_four_pattern_tests).

Lean statement: D5/S3/Combinatorics/Fishburn/FishburnBasicFourPatterns.maximum_four_pattern_tests

Proof. Machine-checked in Lean as D5/S3/Combinatorics/Fishburn/FishburnBasicFourPatterns.maximum_four_pattern_tests (✓ std3). ∎

Source. Repository-derived.

Acknowledgement. Eric S. Egge (2022). Pattern-Avoiding Fishburn Permutations and Ascent Sequences. DOI: 10.48550/arXiv.2208.01484. URL: https://arxiv.org/abs/2208.01484v1.

Commentary.

This theorem establishes the stated mathematical relation for Fishburn permutations and classical pattern avoidance.

References

• Truth anchor: D5/S3/Combinatorics/Fishburn/FishburnBasicFourPatterns.maximum_four_pattern_tests
• Dependency: D5/S3/Combinatorics/Fishburn/FishburnBasicInsertion