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» Online algorithms for market clearing
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FOCS
2008
IEEE
14 years 9 months ago
Market Equilibria in Polynomial Time for Fixed Number of Goods or Agents
We consider markets in the classical Arrow-Debreu model. There are n agents and m goods. Each buyer has a concave utility function (of the bundle of goods he/she buys) and an init...
Nikhil R. Devanur, Ravi Kannan
83
Voted
SAGT
2010
Springer
167views Game Theory» more  SAGT 2010»
14 years 8 months ago
A Perfect Price Discrimination Market Model with Production, and a (Rational) Convex Program for It
Recent results showing PPAD-completeness of the problem of computing an equilibrium for Fisher’s market model under additively separable, piecewise-linear, concave utilities (pl...
Gagan Goel, Vijay V. Vazirani
COLING
2010
14 years 4 months ago
Efficient Statement Identification for Automatic Market Forecasting
Strategic business decision making involves the analysis of market forecasts. Today, the identification and aggregation of relevant market statements is done by human experts, oft...
Henning Wachsmuth, Peter Prettenhofer, Benno Stein
COLT
2003
Springer
15 years 2 months ago
Internal Regret in On-Line Portfolio Selection
This paper extends the game-theoretic notion of internal regret to the case of on-line potfolio selection problems. New sequential investment strategies are designed to minimize th...
Gilles Stoltz, Gábor Lugosi
92
Voted
STOC
2007
ACM
127views Algorithms» more  STOC 2007»
15 years 9 months ago
First to market is not everything: an analysis of preferential attachment with fitness
The design of algorithms on complex networks, such as routing, ranking or recommendation algorithms, requires a detailed understanding of the growth characteristics of the network...
Christian Borgs, Jennifer T. Chayes, Constantinos ...