>
|
|
The dual of the cube is an octahedron
>
|
|
DualSet is an involution for bounded sets that include the origin, that is taking the dual of octahedron yields the original cube
>
|
|
The dual of the dual of a half-space, on the other hand, does not yield the original set.
>
|
|
| (1) |
| (2) |
>
|
|
| (3) |
>
|
|
>
|
|