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CORR
2006
Springer
105views Education» more  CORR 2006»
15 years 14 days ago
A Combinatorial Family of Near Regular LDPC Codes
Abstract-- An elementary combinatorial Tanner graph construction for a family of near-regular low density parity check (LDPC) codes achieving high girth is presented. These codes a...
K. Murali Krishnan, Rajdeep Singh, L. Sunil Chandr...
92
Voted
SIGECOM
2005
ACM
92views ECommerce» more  SIGECOM 2005»
15 years 6 months ago
True costs of cheap labor are hard to measure: edge deletion and VCG payments in graphs
We address the problem of lowering the buyer’s expected payments in shortest path auctions, where the buyer’s goal is to purchase a path in a graph in which edges are owned by...
Edith Elkind
103
Voted
SODA
2008
ACM
105views Algorithms» more  SODA 2008»
15 years 1 months ago
Deterministic random walks on regular trees
Jim Propp's rotor router model is a deterministic analogue of a random walk on a graph. Instead of distributing chips randomly, each vertex serves its neighbors in a fixed or...
Joshua N. Cooper, Benjamin Doerr, Tobias Friedrich...
93
Voted
TC
1998
15 years 2 days ago
Regular Sparse Crossbar Concentrators
A bipartite concentrator is a single stage sparse crossbar switching device that can connect any m of its n ≥ m inputs to its m outputs possibly without the ability to distingui...
Weiming Guo, A. Yavuz Oruç
104
Voted
SODA
2007
ACM
127views Algorithms» more  SODA 2007»
15 years 1 months ago
Line-of-sight networks
Random geometric graphs have been one of the fundamental models for reasoning about wireless networks: one places n points at random in a region of the plane (typically a square o...
Alan M. Frieze, Jon M. Kleinberg, R. Ravi, Warren ...