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Alessandro Codenotti's user avatar
Alessandro Codenotti's user avatar
Alessandro Codenotti's user avatar
Alessandro Codenotti
  • Member for 8 years, 11 months
  • Last seen more than a month ago
  • Italy
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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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35
Number of possible combinations of x numbers that sum to y
26
Connected topological space such that the removal of any of its points disconnects it into exactly $3$ connected components?
26
can a number of the form $x^2 + 1 $ be a square number?
24
Are $\Bbb R^2\setminus \Bbb Q^2$ and $\Bbb R^2\setminus \Bbb Q^2\cup \{(0,0)\}$ homeomorphic?
20
Must every subset of $\mathbb R$ contain $2$ homeomorphic distinct open sets?

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