Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:field |
gptkb:mathematics
gptkb:spectral_geometry |
| gptkbp:influenced |
mathematical physics
spectral theory |
| gptkbp:proposedBy |
gptkb:Vladimir_Ivrii
1980 |
| gptkbp:relatedTo |
gptkb:Weyl's_law
gptkb:Laplace_operator billiard problem |
| gptkbp:sentence |
The set of periodic billiard trajectories in a bounded planar domain has measure zero.
|
| gptkbp:status |
open problem
|
| gptkbp:bfsParent |
gptkb:Victor_Ivrii
|
| gptkbp:bfsLayer |
6
|
| http://www.w3.org/2000/01/rdf-schema#label |
Ivrii's conjecture
|