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Last modified on 19 June 2013, at 16:15
Kurepa tree
§
English
Edit
§
Etymology
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After Yugoslav mathematician
Đuro Kurepa
.
§
Noun
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Wikipedia
has an article on:
Kurepa tree
Wikipedia
Kurepa
tree
(
plural
Kurepa trees
)
(
mathematics
,
set theory
)
A
tree
(
T
, <) of
height
ω
_{1}
, each of whose
levels
is at most
countable
, and has at least ℵ
_{2}
branches
.