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APAL
2005
93views more  APAL 2005»
15 years 7 months ago
Logical aspects of Cayley-graphs: the group case
Abstract. We prove that a finitely generated group is context-free whenever its Cayleygraph has a decidable monadic second-order theory. Hence, by the seminal work of Muller and Sc...
Dietrich Kuske, Markus Lohrey
149
Voted
APAL
1998
71views more  APAL 1998»
15 years 6 months ago
Splitting Theorems and the Jump Operator
We investigate the relationship of (jumps of) the degrees of splittings of a computably enumerable set and the degree of the set. We prove that there is a high computably enumerab...
Rodney G. Downey, Richard A. Shore
207
Voted
TCOM
2010
143views more  TCOM 2010»
15 years 5 months ago
Bursty relay networks in low-SNR regimes
—In a wireless network, the use of cooperation among nodes can significantly improve capacity and robustness to fading. Node cooperation can take many forms, including relaying ...
Tony Q. S. Quek, Hyundong Shin
238
Voted
IPL
2011
109views more  IPL 2011»
15 years 2 months ago
Nondominated local coteries for resource allocation in grids and clouds
The resource allocation problem is a fundamental problem in Grid and Cloud computing environments. This paper focuses on constructing nondominated (ND) local coteries to solve the...
Jehn-Ruey Jiang
178
Voted
ICASSP
2011
IEEE
14 years 10 months ago
Design of UEP-based MSE-minimizing rateless codes for source-channel coding
This paper proposes a method to optimize the performance of tandem source–channel coding with respect to the mean-squared error by exploiting the unequal error protection coding...
Amirpasha Shirazinia, Lei Bao, Mikael Skoglund