Newbetuts
.
New posts in descriptive-set-theory
Bijection between closed uncountable subset of $\Bbb R$ and $\Bbb R$.
descriptive-set-theory
A Borel set whose projection onto the first coordinate is not a Borel set
measure-theory
descriptive-set-theory
Does a continuous and 1-1 function map Borel sets to Borel sets?
real-analysis
measure-theory
descriptive-set-theory
Borel hierarchy doesn't "collapse" before $\omega_1$
descriptive-set-theory
What are some good intuitions for understanding Souslin's operation $\mathcal{A}$?
general-topology
measure-theory
set-theory
intuition
descriptive-set-theory
Universally measurable sets of $\mathbb{R}^2$
reference-request
measure-theory
set-theory
descriptive-set-theory
Finitely Additive not Countably Additive on $\Bbb N$
probability-theory
set-theory
descriptive-set-theory
What's the difference between rationals and irrationals - topologically?
general-topology
descriptive-set-theory
Countable compact spaces as ordinals
general-topology
compactness
ordinals
descriptive-set-theory
Correspondences between Borel algebras and topological spaces
general-topology
measure-theory
descriptive-set-theory
Examples of uncountable sets with zero Lebesgue measure
real-analysis
analysis
measure-theory
examples-counterexamples
descriptive-set-theory
Where do Cantor sets naturally occur?
analysis
descriptive-set-theory
Constructing a subset not in $\mathcal{B}(\mathbb{R})$ explicitly
reference-request
probability-theory
axiom-of-choice
descriptive-set-theory
Is there a $\sigma$-algebra on $\mathbb{R}$ strictly between the Borel and Lebesgue algebras?
real-analysis
measure-theory
descriptive-set-theory
Why do we study Polish spaces?
general-topology
soft-question
descriptive-set-theory
Generic Elements of a Set.
general-topology
terminology
descriptive-set-theory
Polish Spaces and the Hilbert Cube
general-topology
set-theory
descriptive-set-theory
Continuous functions are differentiable on a measurable set?
measure-theory
descriptive-set-theory
What is the cardinality of the set of all topologies on $\mathbb{R}$?
general-topology
descriptive-set-theory
How to construct a Bernstein set and what are their applications?
real-analysis
general-topology
descriptive-set-theory
Prev
Next