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Ann Arbor – Helsinki – Reykjavík
Why am I here?
- Mathematician, dancer, teacher, artist, creator. I am where logic and emotion meet.
Other Places
Blog Archive
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- December 2007 (7)
- November 2007 (5)
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- August 2007 (7)
- July 2007 (8)
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- January 2007 (9)
Definition
A metric space is doubling if every ball of radius r can be covered with at most N balls of radius r/2 where N is a universal constant.
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