PopStack

Navigation page for Blueprint/D5/S3/Combinatorics/PopStack/ at upstream snapshot 7fa241fb6ddef3be23e1655eb45b60f2493d8c69.

Contents

• A cut into decreasing chains
• Simple members of D
• Ordinary continuation
• Avoidance under ordinary continuation
• Deleting the first entry of an ordinary continuation
• An interval crossing a fixed gap
• Deleting a minimum in the second position
• Decreasing inflation at an early entry
• The Fibonacci enumeration assertion
• The unique proper interval of an odd extra
• Classification when all intervals are prefixes
• Increasing inflation of the minimum
• An ascent in the second inflated block
• Prepending a new second-smallest entry
• Simplicity after prepending two
• Contracting the first two entries
• Deletion before the minimum when the maximum is second
• Insertion before the minimum when the maximum is second
• Intervals when the maximum is second
• The alternating prefix before the minimum
• The two value regions below a second-position maximum
• An exhausted lower chain
• Inserting a minimum in an early gap
• A bijection to second-position minima
• Simplicity of the parallel family
• A nonterminal prefix-only permutation
• Intervals within a single inflated block
• Recovering a skeleton from a consecutive-value block
• The Fibonacci enumeration
• Classification of a terminal crossing gap
• Intervals and simplicity in the terminal families
• The reverse third-position construction
• The five cases for a third-position minimum
• The first and third values before a late minimum
• Second-position and third-position minima
• Reverse vertical continuation