Endoscopic Dilation of Pharyngoesophageal Strictures: There Are More Dimensions than a Diameter
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چکیده
منابع مشابه
There are no Barker arrays having more than two dimensions
Davis, Jedwab and Smith recently proved that there are no 2-dimensional Barker arrays except of size 2×2. We show that the existence of a (d+1)-dimensional Barker array implies the existence of a d-dimensional Barker array with the same number of ±1 elements. We deduce that there are no Barker arrays having more than two dimensions, as conjectured by Dymond in 1992.
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ژورنال
عنوان ژورنال: GE - Portuguese Journal of Gastroenterology
سال: 2018
ISSN: 2341-4545,2387-1954
DOI: 10.1159/000486608