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» Small graph classes and bounded expansion
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PODC
2004
ACM
13 years 11 months ago
On the expected payment of mechanisms for task allocation
We study a representative task allocation problem called shortest paths: Let G be a graph in which the edges are owned by self interested agents. The cost of each edge is privatel...
Artur Czumaj, Amir Ronen
STOC
2010
ACM
224views Algorithms» more  STOC 2010»
13 years 10 months ago
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses
Consider the following two-player communication process to decide a language L: The first player holds the entire input x but is polynomially bounded; the second player is computa...
Holger Dell and Dieter van Melkebeek
SIGMETRICS
2008
ACM
111views Hardware» more  SIGMETRICS 2008»
13 years 5 months ago
Hierarchical routing over dynamic wireless networks
Dynamic networks are those where the topology changes over time and therefore efficient routes need to be maintained by frequent updates. Such updates could be costly in terms of ...
Dominique Tschopp, Suhas N. Diggavi, Matthias Gros...
CRYPTO
2007
Springer
134views Cryptology» more  CRYPTO 2007»
13 years 12 months ago
Domain Extension of Public Random Functions: Beyond the Birthday Barrier
A public random function is a random function that is accessible by all parties, including the adversary. For example, a (public) random oracle is a public random function {0, 1}â...
Ueli M. Maurer, Stefano Tessaro