Sciweavers

778 search results - page 5 / 156
» Improved universal denominators
Sort
View
TCS
2011
13 years 2 months ago
Four states are enough!
This paper presents a 1D intrinsically universal cellular automaton with four states for a first neighbors neighborhood, improving on the previous lower bound and getting nearer ...
Nicolas Ollinger, Gaétan Richard
ICISC
2007
77views Cryptology» more  ICISC 2007»
13 years 8 months ago
Improving Upon the TET Mode of Operation
Naor and Reingold had proposed the construction of a strong pseudo-random permutation (SPRP) by using a layer of ECB encryption between two layers of invertible block-wise universa...
Palash Sarkar
FOCS
2006
IEEE
14 years 1 months ago
On the time complexity of 2-tag systems and small universal Turing machines
We show that 2-tag systems efficiently simulate Turing machines. As a corollary we find that the small universal Turing machines of Rogozhin, Minsky and others simulate Turing ma...
Damien Woods, Turlough Neary
INTERSPEECH
2010
13 years 2 months ago
Brno university of technology system for interspeech 2010 paralinguistic challenge
This paper describes Brno University of Technology (BUT) system for the Interspeech 2010 Paralinguistic Challenge. Our submitted systems for the Age- and Gender-Sub-Challenges emp...
Marcel Kockmann, Lukas Burget, Jan Cernocký
ISW
2004
Springer
14 years 22 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