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Frankl-Rödl-type theorems for codes and permutations

Abstract:
We give a new proof of the Frankl-Rödl theorem on forbidden intersections, via the probabilistic method of dependent random choice. Our method extends to codes with forbidden distances, where over large alphabets our bound is significantly better than that obtained by Frankl and Rödl. We also apply our bound to a question of Ellis on sets of permutations with forbidden distances and to establish a weak form of a conjecture of Alon, Shpilka and Umans on sunflowers.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1090/tran/7015

Authors


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Institution:
University of Oxford
Oxford college:
Mansfield College
Role:
Author
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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author


More from this funder
Funding agency for:
Keevash, P
Grant:
239696


Publisher:
American Mathematical Society
Journal:
Transactions of the American Mathematical Society More from this journal
Volume:
369
Issue:
2
Pages:
1147-1162
Publication date:
2016-10-01
Acceptance date:
2016-06-16
DOI:
ISSN:
0002-9947


Keywords:
Pubs id:
pubs:453016
UUID:
uuid:7fd3369d-d863-4cd8-ac29-e12083c1c595
Local pid:
pubs:453016
Source identifiers:
453016
Deposit date:
2017-01-12

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