منابع مشابه
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Let A, B, be finite subsets of an abelian group, and let G ⊂ A × B be such that #A, #B, #{a + b : (a, b) ∈ G} ≤ N. We consider the question of estimating the quantity #{a − b : (a, b) ∈ G}. In [2] Bourgain obtained the bound of N 2− 1 13 , and applied this to the Kakeya conjecture. We improve Bourgain's estimate to N
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ژورنال
عنوان ژورنال: Nature Biotechnology
سال: 1993
ISSN: 1087-0156,1546-1696
DOI: 10.1038/nbt0293-149