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STACS
2004
Springer
16 years 6 days ago
Desert Automata and the Finite Substitution Problem
d Abstract)⋆⋆ Daniel Kirsten LIAFA, Universit´e Denis Diderot – Case 7014, 2 place Jussieu, F-75251 Paris Cedex 05, France We give a positive solution to the so-called fini...
Daniel Kirsten
STACS
2004
Springer
16 years 6 days ago
Active Context-Free Games
An Active Context-Free Game is a game with two players (Romeo and Juliet) on strings over a finite alphabet. In each move, Juliet selects a position of the current word and Romeo ...
Anca Muscholl, Thomas Schwentick, Luc Segoufin
FOCS
2003
IEEE
16 years 4 days ago
Instability of FIFO at Arbitrarily Low Rates in the Adversarial Queueing Model
We study the stability of the commonly used packet forwarding protocol, FIFO (First In First Out), in the adversarial queueing model. We prove that FIFO can become unstable, i.e.,...
Rajat Bhattacharjee, Ashish Goel
FOCS
2003
IEEE
16 years 4 days ago
Paths, Trees, and Minimum Latency Tours
We give improved approximation algorithms for a variety of latency minimization problems. In particular, we give a 3.591 -approximation to the minimum latency problem, improving o...
Kamalika Chaudhuri, Brighten Godfrey, Satish Rao, ...
FOCS
2003
IEEE
16 years 4 days ago
A Non-Markovian Coupling for Randomly Sampling Colorings
We study a simple Markov chain, known as the Glauber dynamics, for randomly sampling (proper) k-colorings of an input graph G on n vertices with maximum degree ∆ and girth g. We...
Thomas P. Hayes, Eric Vigoda