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Christian's user avatar
Christian
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10 Questions

Score Activity Newest Views
9 votes
0 answers
215 views

Existence of $1$-separated and $(1-\varepsilon)$-dense set in metric spaces

6 votes
1 answer
360 views

Convergence of dynamical system on the sphere

6 votes
0 answers
133 views

Does every locally convex space with a Schauder basis have the approximation property?

4 votes
0 answers
335 views

Weak to weak$^*$ continuity of the duality mapping

3 votes
3 answers
391 views

Sum of subspaces is closed iff inclination is positive

3 votes
0 answers
150 views

Elements of vector-valued $L^1$-spaces

2 votes
1 answer
148 views

Rademacher‘s Theorem and Baire category

2 votes
0 answers
120 views

Is every nonexpansive retract of a Hilbert space closed and convex?

1 vote
0 answers
179 views

Uniformly convex, uniformly smooth Banach space which is not convex of power type

1 vote
0 answers
168 views

Does the Hausdorff dimension characterise CAT(0) spaces having some bilipschitz balls?