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ATAL
2007
Springer
16 years 28 days ago
Online auctions for bidders with interdependent values
Interdependent values (IDV) is a valuation model allowing bidders in an auction to express their value for the item(s) to sell as a function of the other bidders’ information. W...
Florin Constantin, Takayuki Ito, David C. Parkes
140
Voted
ESA
2007
Springer
105views Algorithms» more  ESA 2007»
16 years 28 days ago
Finding Branch-Decompositions and Rank-Decompositions
Abstract. We present a new algorithm that can output the rankdecomposition of width at most k of a graph if such exists. For that we use an algorithm that, for an input matroid rep...
Petr Hlinený, Sang-il Oum
FSTTCS
2007
Springer
16 years 27 days ago
Undirected Graphs of Entanglement 2
Entanglement is a complexity measure of directed graphs that origins in fixed point theory. This measure has shown its use in designing efficient algorithms to verify logical prop...
Walid Belkhir, Luigi Santocanale
GECCO
2007
Springer
177views Optimization» more  GECCO 2007»
16 years 27 days ago
Evolutionary algorithms and matroid optimization problems
We analyze the performance of evolutionary algorithms on various matroid optimization problems that encompass a vast number of efficiently solvable as well as NP-hard combinatoria...
Joachim Reichel, Martin Skutella
176
Voted
ICALP
2007
Springer
16 years 27 days ago
Parameterized Approximability of the Disjoint Cycle Problem
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
Martin Grohe, Magdalena Grüber