3 search results - page 1 / 1 » Smaller superconcentrators of density 28 |
IPL
2006
13 years 4 months ago
2006
An N-superconcentrator is a directed, acyclic graph with N input nodes and N output nodes such that every subset of the inputs and every subset of the outputs of same cardinality ...
SODA
2003
ACM
13 years 6 months ago
2003
ACM
d Abstract) N. Alon ∗ M. Capalbo † July 28, 2002 Using a new recursive technique, we present an explicit construction of an infinite family of N-superconcentrators of density...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...