- Thread starter
- #1

- Thread starter Fermat
- Start date

- Thread starter
- #1

- Moderator
- #2

- Feb 7, 2012

- 2,785

A good example of a compact operator is the Volterra integral operator.

For interesting examples of compact sets, you probably need to look at non-metric topologies. For example, the unit ball of $l_p$ ($1<p<\infty)$ is compact in the weak*-topology.