Mathematics
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Alessandro Codenotti
  • Member for 8 years, 2 months
  • Last seen this week
  • Italy
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About

PhD Student at the university of Münster, interested in Descriptive Set Theory, Topological Dynamics, Set Theoretic Topology, General Topology and other things in Set Theory and related areas.

Previously I was a student in Trento and Bonn.

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All Questions Answers
Score Newest
answer
61
What's your favorite proof accessible to a general audience?
Jan 17, 2015
answer
33
Number of possible combinations of x numbers that sum to y
Oct 3, 2015
question
26
Connected topological space such that the removal of any of its points disconnects it into exactly $3$ connected components?
Dec 21, 2016
answer
25
can a number of the form $x^2 + 1 $ be a square number?
Jan 15, 2015
question
24
Are $\Bbb R^2\setminus \Bbb Q^2$ and $\Bbb R^2\setminus \Bbb Q^2\cup \{(0,0)\}$ homeomorphic?
Mar 30, 2017
question
20
Must every subset of $\mathbb R$ contain $2$ homeomorphic distinct open sets?
Dec 27, 2016
answer
15
Simple/natural questions in group theory whose answers depend on set theory
Mar 5, 2020
question
13
Conditions on a topological space implying that it has a minimal basis
Apr 28, 2017
question
12
Strength of $\sf ZF$+The weak topology on every Banach space is Hausdorff
Jan 20, 2018
question
12
On the sum of digits of $n^k$
Jan 13, 2015
Top Meta posts
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9
Is it ok to ask a more specific version of a question that I have asked?
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17
Is every element of $\omega_1$ the rank of some Borel set?
12
Must the sum of the digits of $n^k$ decrease infinitely often, for $n,k\in\mathbb{N}$ and $n$ not a power of $10$?
11
On the relationship between Martin's Axiom, the countable chain condition and the Knaster property
11
Does every topological group embed as a closed subgroup in an amenable group?
11
Closed manifolds are not absolute retracts?

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