Timeline for Two infinite dimensional algebras such that the center of their tensor product is bigger than the tensor product of their centers
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Feb 20, 2021 at 17:50 | comment | added | მამუკა ჯიბლაძე | Thanks! I actually meant to ask about the part that you call "compute in the usual way" but this is also straightforward: $[x,-]$ acts on the PBW basis as $2\frac\partial{\partial y}$ and $[-,y]$ as $2\frac\partial{\partial x}$... | |
| Feb 20, 2021 at 17:14 | comment | added | David E Speyer | @მამუკაჯიბლაძე You can decide whether or not it is obvious, I added the details. | |
| Feb 20, 2021 at 17:14 | history | edited | David E Speyer | CC BY-SA 4.0 |
added 452 characters in body
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| Feb 20, 2021 at 16:34 | comment | added | მამუკა ჯიბლაძე | Is it obvious that the argument about reducing the center to scalars works without invertibility of $[x,y]$? | |
| Feb 20, 2021 at 14:40 | history | answered | David E Speyer | CC BY-SA 4.0 |