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COCO
2011
Springer
261views Algorithms» more  COCO 2011»
14 years 3 months ago
Hardness of Max-2Lin and Max-3Lin over Integers, Reals, and Large Cyclic Groups
—In 1997, H˚astad showed NP-hardness of (1 − , 1/q + δ)-approximating Max-3Lin(Zq); however it was not until 2007 that Guruswami and Raghavendra were able to show NP-hardness...
Ryan O'Donnell, Yi Wu, Yuan Zhou
CISS
2007
IEEE
15 years 10 months ago
Differential Space-Frequency Group Codes for MIMO-OFDM
— In recent years, coherent space-frequency (SF) coded multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems have attracted great attentio...
Engin Zeydan, Ufuk Tureli
WINE
2007
Springer
97views Economy» more  WINE 2007»
15 years 10 months ago
K-NCC: Stability Against Group Deviations in Non-cooperative Computation
A function is non-cooperative computable [NCC] if honest agents can compute it by reporting truthfully their private inputs, while unilateral deviations by the players are not bene...
Itai Ashlagi, Andrey Klinger, Moshe Tennenholtz
IJMMS
2007
91views more  IJMMS 2007»
15 years 3 months ago
Mining communities and their relationships in blogs: A study of online hate groups
Blogs, often treated as the equivalence of online personal diaries, have become one of the fastest growing types of Web-based media. Everyone is free to express their opinions and...
Michael Chau, Jennifer Jie Xu
IJCV
2007
363views more  IJCV 2007»
15 years 3 months ago
Image Analysis and Reconstruction using a Wavelet Transform Constructed from a Reducible Representation of the Euclidean Motion
Abstract. Inspired by the early visual system of many mammalians we consider the construction of-and reconstruction from- an orientation score Uf : R2 ×S1 → C as a local orienta...
Remco Duits, Michael Felsberg, Gösta H. Granl...