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STOC
2012
ACM
225views Algorithms» more  STOC 2012»
11 years 7 months ago
An algorithmic characterization of multi-dimensional mechanisms
We obtain a characterization of feasible, Bayesian, multi-item multi-bidder mechanisms with independent, additive bidders as distributions over hierarchical mechanisms. Combined w...
Yang Cai, Constantinos Daskalakis, S. Matthew Wein...
STOC
2012
ACM
256views Algorithms» more  STOC 2012»
11 years 7 months ago
Competitive contagion in networks
We develop a game-theoretic framework for the study of competition between firms who have budgets to “seed” the initial adoption of their products by consumers located in a s...
Sanjeev Goyal, Michael Kearns
STOC
2012
ACM
236views Algorithms» more  STOC 2012»
11 years 7 months ago
On-the-fly multiparty computation on the cloud via multikey fully homomorphic encryption
We propose a new notion of secure multiparty computation aided by a computationally-powerful but untrusted “cloud” server. In this notion that we call on-the-fly multiparty c...
Adriana López-Alt, Eran Tromer, Vinod Vaiku...
STOC
2012
ACM
251views Algorithms» more  STOC 2012»
11 years 7 months ago
Minimax option pricing meets black-scholes in the limit
Option contracts are a type of financial derivative that allow investors to hedge risk and speculate on the variation of an asset’s future market price. In short, an option has...
Jacob Abernethy, Rafael M. Frongillo, Andre Wibiso...
SODA
2012
ACM
217views Algorithms» more  SODA 2012»
11 years 7 months ago
Deterministic construction of an approximate M-ellipsoid and its applications to derandomizing lattice algorithms
We give a deterministic O(log n)n -time and space algorithm for the Shortest Vector Problem (SVP) of a lattice under any norm, improving on the previous best deterministic nO(n) -...
Daniel Dadush, Santosh Vempala