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» Theories of Automatic Structures and Their Complexity
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COMPGEOM
2010
ACM
14 years 1 months ago
Adding one edge to planar graphs makes crossing number hard
A graph is near-planar if it can be obtained from a planar graph by adding an edge. We show that it is NP-hard to compute the crossing number of near-planar graphs. The main idea ...
Sergio Cabello, Bojan Mohar
SEAAI
1998
Springer
14 years 13 days ago
On theoretical backgrounds of CAD
Abstract. In the past, some information technologies (IT) have quickly been adopted by the engineering practice while the implementation of others has been slower. In the paper, th...
Ziga Turk
AI
2008
Springer
13 years 8 months ago
On the notion of concept I
It is well known that classical set theory is not expressive enough to adequately model categorization and prototype theory. Recent work on compositionality and concept determinat...
Michael Freund
SAGT
2010
Springer
119views Game Theory» more  SAGT 2010»
13 years 6 months ago
Minimal Subsidies in Expense Sharing Games
A key solution concept in cooperative game theory is the core. The core of an expense sharing game contains stable allocations of the total cost to the participating players, such ...
Reshef Meir, Yoram Bachrach, Jeffrey S. Rosenschei...
CORR
2011
Springer
160views Education» more  CORR 2011»
13 years 3 months ago
When is social computation better than the sum of its parts?
good solutions to complex problems. In many examples, individuals trying to solve superior global solution. This suggests that there may be general principles of information aggre...
Vadas Gintautas, Aric A. Hagberg, Luís M. A...