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Critical exponent of a word

Known as: Repetition threshold 
In mathematics and computer science, the critical exponent of a finite or infinite sequence of symbols over a finite alphabet describes the largest… 
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Papers overview

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Highly Cited
2014
Highly Cited
2014
Quantum phase transitions are usually studied in terms of Hermitian Hamiltonians. However, cold-atom experiments are… 
Highly Cited
2014
Highly Cited
2014
In this paper we consider the critical exponent problem for the semilinear damped wave equation with time-dependent coefficients… 
Highly Cited
2012
Highly Cited
2012
General scaling arguments, and the behavior of the thermal entropy density, are shown to lead to an infrared metric… 
Highly Cited
2010
Highly Cited
2010
We use exact diagonalization to explore the many-body localization transition in a random-field spin-1/2 chain. We examine the… 
Highly Cited
2010
Highly Cited
2010
We explore the consequences of multi-trace deformations in applications of gauge-gravity duality to condensed matter physics. We… 
Highly Cited
2010
Highly Cited
2010
In a previous paper [S. Nakamura, H. Ooguri, and C. S. Park, Phys. Rev. D 81, 044018 (2010)], we showed that the Reissner… 
Highly Cited
2006
Highly Cited
2006
We demonstrate a semiconducting material, TiO2??, with ferromagnetism up to 880?K, without the introduction of magnetic ions. The… 
Highly Cited
2001
Highly Cited
2001
We consider the random 2‐satisfiability (2‐SAT) problem, in which each instance is a formula that is the conjunction of m clauses… 
Highly Cited
2000
Highly Cited
2000
In this study we solve the critical exponent problem for the nonlinear wave equation with damping. We show that this critical… 
Highly Cited
1996
Highly Cited
1996
We prove some results about existence, uniqueness and qualitative behavior of positive solutions to equations of the type…