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» An Abstract Look at Realizability
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ISW
2004
Springer
14 years 27 days ago
How to Break and Repair a Universally Composable Signature Functionality
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
Michael Backes, Dennis Hofheinz
CORR
2007
Springer
123views Education» more  CORR 2007»
13 years 7 months ago
Achieving the Gaussian Rate-Distortion Function by Prediction
Abstract— The “water-filling” solution for the quadratic ratedistortion function of a stationary Gaussian source is given in terms of its power spectrum. This formula natura...
Ram Zamir, Yuval Kochman, Uri Erez
JUCS
2008
140views more  JUCS 2008»
13 years 7 months ago
The Computable Multi-Functions on Multi-represented Sets are Closed under Programming
: In the representation approach to computable analysis (TTE) [Grz55, i00], abstract data like rational numbers, real numbers, compact sets or continuous real functions are represe...
Klaus Weihrauch
ICC
2007
IEEE
14 years 1 months ago
Presteering Broadband Antenna Arrays Without Using Steering Delays
Abstract— Presteering of broadband antenna arrays is required to compensate the effect of misalignment between the look direction and the array geometry and is achieved by insert...
Lal C. Godara, Mohammad Reza Sayyah Jahromi
CONCUR
2007
Springer
14 years 1 months ago
Fair Cooperative Multithreading
Abstract. We propose a new operational model for shared variable concurrency, in the context of a concurrent, higher-order imperative language `a la ML. In our model the scheduling...
Gérard Boudol