Timeline for Construct a 4th-order tensor with matricization ranks $r$ that is not rank $r$
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 7, 2023 at 13:08 | answer | added | Vladimir Lysikov | timeline score: 1 | |
| Aug 12, 2021 at 14:40 | comment | added | Sebastian K. | I suppose that would be fine. However, I would expect this to ultimately be a harder problem. | |
| Aug 12, 2021 at 13:48 | comment | added | Nathaniel Johnston | Do you really need every matricization to have the exact same rank? Or would it suffice to give a tensor with each matricization having rank $\leq r$, while the tensor itself has rank $> r$? | |
| Aug 12, 2021 at 13:36 | history | asked | Sebastian K. | CC BY-SA 4.0 |