Matrix properties
number of rows	6,100
number of columns	6,100
nonzeros	15,030
structural full rank?	no
structural rank	922
# of blocks from dmperm	50
# strongly connected comp.	1,023
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	symmetric
type	binary
structure	symmetric
Cholesky candidate?	no
positive definite?	no

author	J. Grossman, P. Iain, R. Castro
editor	V. Batagelj
date	2006
kind	undirected graph
2D/3D problem?	no

Additional fields	size and type
cluster	full 6100-by-1
nodename	full 6100-by-40

Notes:

------------------------------------------------------------------------------
Pajek network converted to sparse adjacency matrix for inclusion in UF sparse 
matrix collection, Tim Davis.  For Pajek datasets, See V. Batagelj & A. Mrvar,
http://vlado.fmf.uni-lj.si/pub/networks/data/.                                
------------------------------------------------------------------------------

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	30,176	40,848
Cholesky flop count	1.7e+06	3.6e+06
nnz(L+U), no partial pivoting	54,252	75,596
nnz(V) for QR, upper bound nnz(L) for LU	1,620,511	1,886,183
nnz(R) for QR, upper bound nnz(U) for LU	381,699	455,597

Maintained by Tim Davis, last updated 30-Sep-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.