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CORR
2008
Springer
133views Education» more  CORR 2008»
15 years 6 months ago
A New Stream Cipher: Dicing
: In this paper, we will propose a new synchronous stream cipher named DICING, which can be taken as a clock-controlled one but with a new mechanism of altering steps. With the sim...
An-Ping Li
CORR
2008
Springer
101views Education» more  CORR 2008»
15 years 6 months ago
Strategy Iteration using Non-Deterministic Strategies for Solving Parity Games
Abstract. This article extends the idea of solving parity games by strategy iteration to non-deterministic strategies: In a non-deterministic strategy a player restricts himself to...
Michael Luttenberger
CORR
2008
Springer
154views Education» more  CORR 2008»
15 years 6 months ago
Coinductive Formal Reasoning in Exact Real Arithmetic
In this article we present a method for formally proving the correctness of the lazy algorithms for computing homographic and quadratic transformations -- of which field operations...
Milad Niqui
CORR
2008
Springer
133views Education» more  CORR 2008»
15 years 6 months ago
A simple local 3-approximation algorithm for vertex cover
We present a local algorithm (constant-time distributed algorithm) for finding a 3-approximate vertex cover in bounded-degree graphs. The algorithm is deterministic, and no auxili...
Valentin Polishchuk, Jukka Suomela
CORR
2008
Springer
65views Education» more  CORR 2008»
15 years 6 months ago
The Wadge Hierarchy of Deterministic Tree Languages
Abstract. We provide a complete description of the Wadge hierarchy for deterministically recognizable sets of infinite trees. In particular we give an elementary procedure to decid...
Filip Murlak