keepset

DIMACS10/delaunay_n20

undirected graph (1,048,576 nodes, 6,291,372 non-zeros)

npx keepset fetch ss-dimacs10-delaunay-n20

Nodes
1,048,576
Edges
6,291,372
Size
8.3 MiB

Fetch and preview this dataset on this page, or download the result as JSON. The command line fetches it without a browser.

Overview

Idss-dimacs10-delaunay-n20
Namespacesuitesparse/dimacs10
Aliasesdelaunay-n20
Categorygraph/v1
Kindgraph
DomainUndirected Graph
LicenceCC-BY-4.0
Cataloguekeepset 1.33.0

Sources and provenance

#URLStatusRetrievedRead by recipePinned snapshotSHA-256
0https://www.cise.ufl.edu/research/sparse/MM/DIMACS10/delaunay_n20.tar.gzlive2026-10-21yes
1https://sparse.tamu.edu/MM/DIMACS10/delaunay_n20.tar.gzlive2026-02-16
2https://sparse.tamu.edu/RB/DIMACS10/delaunay_n20.tar.gzlive2026-02-16
3https://sparse.tamu.edu/mat/DIMACS10/delaunay_n20.tar.gzlive2026-02-16

Citations

Recipe

Source#0
Archivetar.gz
Memberdelaunay_n20/delaunay_n20.mtx
Parser format"matrix-market"
Parser encoding"utf-8"

Crosswalk

keepset/topology to graph/v1, as a crossmap crosswalk.

RuleFromToDirection
movemetametaboth
movenodes[].idnodes[].idboth
moveedges[].sourceedges[].sourceboth
moveedges[].targetedges[].targetboth

Expected counts

Edges6,291,372
Nodes1,048,576

Properties

Components1
Connectedyes
Cyclicyes
Density0.000005722
Directedno
Download bytes8.3 MiB
Edge types1
Heterogeneousno
Multigraphno
Node types1
Raw bytes0 B
Self loopsno
Weightedno