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Kurepa tree

Known as: Kurepa hypothesis, Kurepa conjecture, Kurepa family 
In set theory, a Kurepa tree is a tree (T, <) of height ω1, each of whose levels is at most countable, and has at least ℵ2 many branches. This… 
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Related topics

Related topics

6 relations
Aronszajn treeJech–Kunen treeSet theorySuslin tree

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Bell Numbers Modulo a Prime Number, Traces and Trinomials
Given a prime number $p$, we deduce from a formula of Barsky and Benzaghou and from a result of Coulter and Henderson on… 
2008
2008
GENERALIZED KUREPA AND MAD FAMILIES AND TOPOLOGY
Closing a Kurepa family under finite intersection yields a Kurepa family of the same cardinality, so we may assume N = {N… 
2005
2005
Refinements of Buzano’s and Kurepa’s inequalities in inner product spaces
Refinements of Buzano’s and Kurepa’s inequalities in inner product spaces and applications for discrete and integral inequalities… 
2002
2002
The function v M m ( s ; a , z ) and some well-known sequences
In this paper we define the function vMm(s; a, z), and we study the special cases 1Mm(s; a, z) and nM−1(1; 1, n + 1). We prove… 
1996
1996
Selected papers of Đuro Kurepa
Review
1995
Review
1995
Mijajlović: On Kurepa problems in number theory
We discuss some problems in number theory posed by-Duro Kurepa, including the so-called left factorial hypothesis that an odd… 
1993
1993
The Diierences between Kurepa Trees and Jechhkunen Trees
By an !1{tree we mean a tree of power !1 and height !1. An !1{tree is called a Kurepa tree if all its levels are countable and it… 
1993
1993
The differences between Kurepa trees and Jech-Kunen trees
SummaryBy an ω1 we mean a tree of power ω1 and height ω1. An ω1-tree is called a Kurepa tree if all its levels are countable and… 
1991
1991
A result concerning additive maps on the set of quaternions and an application
We determine all additive F, G: ℍ → ℝ and multiplicative M: H → ℝ satisfying the functional equation F(λ) + M(λ)G(λ−1) = 0. As an… 
Review
1957
Review
1957
Review: Paul Lorenzen, Das Aktual-Unendliche in der Mathematik; Paul Lorenzen, Die Rolle der Logik in der Grundlagenkrisis der Analysis; G. Kurepa, G. Kreisel, A. Robinson, Die Rolle der Logik in der…
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