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Markus
  • Member for 9 years, 4 months
  • Last seen more than a month ago
  • Yekaterinburg
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Top posts
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14
Sums of non-surjective entire functions
Jun 11, 2023
8
Subspaces isomorphic with quotients
May 26, 2018
8
Complementability of finite dimensional subspaces
Sep 3, 2019
8
Parallelogram law for vectors of equal length
Aug 13, 2022
7
Non strictly-singular operators and complemented subspaces
Jul 25, 2015
7
Surjective entire functions
May 27, 2017
7
Isometries on the unit sphere
Mar 24, 2020
7
A characterization of Hilbert spaces by norm one projections
Nov 10, 2022
5
Compact non-nuclear operators
May 1, 2016
5
Biorthogonal functionals
May 21, 2016
Top network posts
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16
Classes, sets and Russell's paradox
16
Matrices with a certain property
9
Density of Banach spaces
9
Sum of a series indexed by ordinals
8
Plagiarizing a published paper in introduction?