Abstract

Partitions without sequences of consecutive integers as parts have been studied recently by many authors, including Andrews, Holroyd, Liggett, and Romik, among others. Their results include a description of combinatorial properties, hypergeometric representations for the generating functions, and asymptotic formulas for the enumeration functions. We complete a similar investigation of partitions into distinct parts without sequences, which are of particular interest due to their relationship with the Rogers-Ramanujan identities. Our main results include a double series representation for the generating function, an asymptotic formula for the enumeration function, and several combinatorial inequalities.

Highlights

  • Introduction and statement of resultsFor k 2, a k-sequence in an integer partition is any k consecutive integers that all occur as parts

  • Partitions without sequences of consecutive integers as parts have been studied recently by many authors, including Andrews, Holroyd, Liggett, and Romik, among others. Their results include a description of combinatorial properties, hypergeometric representations for the generating functions, and asymptotic formulas for the enumeration functions

  • We complete a similar investigation of partitions into distinct parts without sequences, which are of particular interest due to their relationship with the Rogers-Ramanujan identities

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Summary

Introduction and statement of results

For k 2, a k-sequence in an integer partition is any k consecutive integers that all occur as parts (a standard general reference for integer partitions is [2]). These imply that C2(z; q) specializes to the corresponding products (equations (10) and (11) of [23]).

Definitions and identities for q-series
Analytic proof
Combinatorial proof
Monotonicity
Asymptotic Formulas
Constant Term Method and Saddle Point analysis
Ingham’s Tauberian Theorem
Full Text
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