Positive projections of symmetric matrices and Jordan algebras
Research output: Contribution to journal › Journal article › Research › peer-review
An elementary proof is given that the projection from the space of all symmetric p×p matrices onto a linear subspace is positive if and only if the subspace is a Jordan algebra. This solves a problem in a statistical model.
| Original language | English |
|---|---|
| Journal | Expositiones Mathematicae |
| Volume | 31 |
| Issue number | 3 |
| Pages (from-to) | 295-303 |
| ISSN | 0723-0869 |
| DOIs | |
| Publication status | Published - 2013 |
ID: 37567605