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» On universally easy classes for NP-complete problems
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SODA
2001
ACM
92views Algorithms» more  SODA 2001»
13 years 6 months ago
On universally easy classes for NP-complete problems
We explore the natural question of whether all NP-complete problems have a common restriction under which they are polynomially solvable. More precisely, we study what languages a...
Erik D. Demaine, Alejandro López-Ortiz, J. ...
CVPR
2009
IEEE
15 years 3 days ago
Robust Multi-Class Transductive Learning with Graphs
Graph-based methods form a main category of semisupervised learning, offering flexibility and easy implementation in many applications. However, the performance of these methods...
Wei Liu (Columbia University), Shih-fu Chang (Colu...
CSFW
2010
IEEE
13 years 8 months ago
A Framework for the Sound Specification of Cryptographic Tasks
Nowadays it is widely accepted to formulate the security of a protocol carrying out a given task via the "trusted-party paradigm," where the protocol execution is compar...
Juan A. Garay, Aggelos Kiayias, Hong-Sheng Zhou