On a question of de Groot and Nishiura
Vitalij A. Chatyrko ; Yasunao Hattori
Fundamenta Mathematicae, Tome 173 (2002), p. 107-115 / Harvested from The Polish Digital Mathematics Library
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Let Zₙ=[0,1]n+1∖(0,1)ⁿ×0. Then cmp Zₙ < def Zₙ for n ≥ 5. This is the answer to a question posed by de Groot and Nishiura [GN] for n ≥ 5.

Publié le : 2002-01-01
EUDML-ID : urn:eudml:doc:283380 
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Vitalij A. Chatyrko; Yasunao Hattori. On a question of de Groot and Nishiura. Fundamenta Mathematicae, Tome 173 (2002) pp. 107-115. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm172-2-2/