Slim exceptional sets for sums of cubes

TD Wooley

Research output: Contribution to journalArticle (Academic Journal)peer-review

27 Citations (Scopus)

Abstract

We investigate exceptional sets associated with various additive problems involving sums of cubes. By developing a method wherein an exponential sum over the set of exceptions is employed explicitly within the Hardy-Littlewood method, we are better able to exploit excess variables. By way of illustration, we show that the number of odd integers not divisible by 9, and not exceeding X, that fail to have a representation as the sum of 7 cubes of prime numbers, is O(X23/36+epsilon). For sums of eight cubes of prime numbers, the corresponding number of exceptional integers is O(X-11/(36+epsilon)).
Translated title of the contributionSlim exceptional sets for sums of cubes
Original languageEnglish
Pages (from-to)417 - 448
Number of pages32
JournalCanadian Journal of Mathematics . Journal Canadien de Mathematiques
Volume54 (2)
Publication statusPublished - Apr 2002

Bibliographical note

Publisher: Canadian Mathematical Soc

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