Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with oa.operator-algebras
Search options not deleted
user 101872
Algebras of operators on Hilbert space, $C^*-$algebras, von Neumann algebras, non-commutative geometry
3
votes
Why do the projections in the Calkin algebra not form a lattice?
I can't add a comment, although I'd like to clarify one point: both in Nik Weaver's Set theory and C*-algebras and Eric Wofsey's $P(\omega)/\mathrm{fin}$ and projections in the Calkin algebra it is cl …
- 31