Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
graph
|
| gptkbp:application |
coding theory
computer science cryptography communication networks |
| gptkbp:characterizedBy |
eigenvalues of adjacency matrix
|
| gptkbp:definedIn |
gptkb:Alon-Boppana_bound
|
| gptkbp:field |
gptkb:mathematics
graph theory |
| https://www.w3.org/2000/01/rdf-schema#label |
Ramanujan graphs
|
| gptkbp:introduced |
gptkb:Phillips
gptkb:Lubotzky gptkb:Sarnak |
| gptkbp:introducedIn |
1988
|
| gptkbp:namedAfter |
gptkb:Srinivasa_Ramanujan
|
| gptkbp:property |
sparse
good expansion properties high connectivity optimal spectral gap |
| gptkbp:relatedTo |
gptkb:Alon-Boppana_theorem
expander graphs Cayley graphs |
| gptkbp:type |
expander graph
|
| gptkbp:bfsParent |
gptkb:Alon–Boppana_bound
|
| gptkbp:bfsLayer |
6
|