Enlightened - Badge - MathOverflow

Enlightened

First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.

Mikhail Ostrovskii

4,80817 silver badges32 bronze badges

earned this badge 5 times.

If a subspace $F$ is contained in a subspace $G$, and $H$ is close to $G$, can we choose a subspace of $H$ close to $F$?

Awarded Apr 24, 2021 at 9:44

In infinite dimensions, is it possible that convergence of distances to a sequence always implies convergence of that sequence?

Awarded Jul 24, 2020 at 13:15

Complemented subspaces constructed from finite pieces- part II

Awarded Jan 5, 2019 at 21:25

Two questions about basic sequences

Awarded May 26, 2018 at 17:21

Who proved that $l^1$ and $L^1[0,1]$ are not isomorphic?

Awarded May 4, 2016 at 9:55

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