History of Science and Mathematics
Jochen Wengenroth's user avatar
Jochen Wengenroth's user avatar
Jochen Wengenroth's user avatar
Jochen Wengenroth
  • Member for 1 year, 8 months
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I am a mathematician at the Unversität Trier (Germany).

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Cantor's Art of proposing a question
Feb 1, 2022
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56
Is every sigma-algebra the Borel algebra of a topology?
33
Did ancient mathematicians know Euler's characteristic for convex polyhedra?
32
Hahn-Banach theorem with convex majorant
27
Is a normed space which is homeomorphic to a Banach space complete?
21
Are weak and strong convergence of sequences not equivalent?

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