Arenas/PGPgiantcompo
largest connected component in graph of PGP users
| Name |
PGPgiantcompo |
| Group |
Arenas |
| Matrix ID |
2405 |
|
Num Rows
|
10,680 |
|
Num Cols
|
10,680 |
|
Nonzeros
|
48,632 |
|
Pattern Entries
|
48,632 |
|
Kind
|
Undirected Multigraph |
|
Symmetric
|
Yes |
|
Date
|
2004 |
|
Author
|
M. Boguna, R. Pastor-Satorras, A. Diaz-Guillera, A. Arenas |
|
Editor
|
A. Arenas |
| Structural Rank |
|
| Structural Rank Full |
|
|
Num Dmperm Blocks
|
|
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
integer |
| SVD Statistics |
| Matrix Norm |
4.259920e+01 |
| Minimum Singular Value |
7.935967e-58 |
| Condition Number |
5.367865e+58
|
| Rank |
8,078 |
| sprank(A)-rank(A) |
|
| Null Space Dimension |
2,602 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
Arenas set: PGP network
http://deim.urv.cat/~aarenas/data/welcome.htm
Graph of the largest component of the network of users of the
Pretty-Good-Privacy algorithm for secure information interchange.
Data compiled by members of Alex Arenas' group.
Reference: M. Boguna, R. Pastor-Satorras, A. Diaz-Guilera and
A. Arenas, Physical Review E, vol. 70, 056122 (2004).
|
