Timeline for Function of $(x_1,x_2,x_3,x_4)$ that factors in two ways as $\phi_1 (x_1 ,x_2 )\phi_2(x_3 ,x_4 )=\psi_1 (x_1,x_3)\psi_2(x_2,x_4)$
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 17, 2020 at 8:03 | comment | added | R.P. | +1. But why must the two graphs have a common refinement? What is the theorem (or set of theorems) behind this? | |
| Oct 16, 2020 at 13:30 | history | answered | Steve Huntsman | CC BY-SA 4.0 |