Conceptresearch
Sign rank
Smallest rank of a real matrix whose sign pattern matches the communication matrix.
Smallest rank of a real matrix whose sign pattern matches the communication matrix.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
Tag P1JPH5 Edit this page History Report an error