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ARCS
2010
Springer
13 years 7 months ago
A Tightly Coupled Accelerator Infrastructure for Exact Arithmetics
Processor speed and available computing power constantly increases, enabling computation of more and more complex problems such as numerical simulations of physical processes. In t...
Fabian Nowak, Rainer Buchty
TCS
2010
13 years 5 months ago
Tight results for Next Fit and Worst Fit with resource augmentation
It is well known that the two simple algorithms for the classic bin packing problem, NF and WF both have an approximation ratio of 2. However, WF seems to be a more reasonable alg...
Joan Boyar, Leah Epstein, Asaf Levin
ICALP
2010
Springer
14 years 8 days ago
Tight Thresholds for Cuckoo Hashing via XORSAT
We settle the question of tight thresholds for offline cuckoo hashing. The problem can be stated as follows: we have n keys to be hashed into m buckets each capable of holding a s...
Martin Dietzfelbinger, Andreas Goerdt, Michael Mit...
COLT
2008
Springer
13 years 9 months ago
Almost Tight Upper Bound for Finding Fourier Coefficients of Bounded Pseudo- Boolean Functions
A pseudo-Boolean function is a real-valued function defined on {0, 1}n . A k-bounded function is a pseudo-Boolean function that can be expressed as a sum of subfunctions each of w...
Sung-Soon Choi, Kyomin Jung, Jeong Han Kim
ECCC
2010
111views more  ECCC 2010»
13 years 7 months ago
Tight Bounds on the Approximability of Almost-satisfiable Horn SAT and Exact Hitting Set}
We study the approximability of two natural Boolean constraint satisfaction problems: Horn satisfiability and exact hitting set. Under the Unique Games conjecture, we prove the fo...
Venkatesan Guruswami, Yuan Zhou