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CORR
2011
Springer
184views Education» more  CORR 2011»
13 years 1 months ago
Decision-Feedback Differential Detection in Impulse-Radio Ultra-Wideband Systems
—Building upon recent approaches for detection of impulse-radio ultra-wideband (IR-UWB) based on compressed sensing (CS), we combine this approach with techniques known from adva...
Andreas Schenk, Robert F. H. Fischer
SIGGRAPH
1997
ACM
14 years 2 months ago
Rendering complex scenes with memory-coherent ray tracing
Simulating realistic lighting and rendering complex scenes are usually considered separate problems with incompatible solutions. Accurate lighting calculations are typically perfo...
Matt Pharr, Craig E. Kolb, Reid Gershbein, Pat Han...
LICS
1999
IEEE
14 years 2 months ago
Some Decision Problems of Enormous Complexity
We present some new decision and comparison problems of unusually high computational complexity. Most of the problems are strictly combinatorial in nature; others involve basic lo...
Harvey Friedman
CIE
2008
Springer
14 years 6 days ago
Many Facets of Complexity in Logic
There are many ways to define complexity in logic. In finite model theory, it is the complexity of describing properties, whereas in proof complexity it is the complexity of provin...
Antonina Kolokolova
FSTTCS
2009
Springer
14 years 4 months ago
Kolmogorov Complexity in Randomness Extraction
We clarify the role of Kolmogorov complexity in the area of randomness extraction. We show that a computable function is an almost randomness extractor if and only if it is a Kolm...
John M. Hitchcock, Aduri Pavan, N. V. Vinodchandra...