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CORR
2012
Springer
210views Education» more  CORR 2012»
12 years 7 months ago
Topological phase transition in a network model with preferential attachment and node removal
Preferential attachment is a popular model of growing networks. We consider a generalized model with random node removal, and a combination of preferential and random attachment. U...
Heiko Bauke, Cristopher Moore, Jean-Baptiste Rouqu...
ICASSP
2011
IEEE
13 years 3 months ago
Sparsity-undersampling tradeoff of compressed sensing in the complex domain
In this paper, recently developed ONE-L1 algorithms for compressed sensing are applied to complex-valued signals and sampling matrices. The optimal and iterative solution of ONE-L...
Zai Yang, Cishen Zhang
CORR
2011
Springer
167views Education» more  CORR 2011»
13 years 3 months ago
The weak password problem: chaos, criticality, and encrypted p-CAPTCHAs
- Vulnerabilities related to weak passwords are a pressing global economic and security issue. We report a novel, simple, and effective approach to address the weak password probl...
T. V. Laptyeva, S. Flach, K. Kladko
JAIR
2010
90views more  JAIR 2010»
13 years 6 months ago
An Effective Algorithm for and Phase Transitions of the Directed Hamiltonian Cycle Problem
The Hamiltonian cycle problem (HCP) is an important combinatorial problem with applications in many areas. It is among the first problems used for studying intrinsic properties, i...
Gerold Jäger, Weixiong Zhang
SIAMAM
2011
13 years 6 months ago
A General Phase Transition Model for Vehicular Traffic
An extension of the Colombo phase transition model is proposed. The congestion phase is described by a two-dimensional zone defined around an equilibrium flux known as the classi...
Sebastien Blandin, Daniel B. Work, Paola Goatin, B...
JAIR
2002
182views more  JAIR 2002»
13 years 11 months ago
An Analysis of Phase Transition in NK Landscapes
In this paper, we analyze the decision version of the NK landscape model from the perspective of threshold phenomena and phase transitions under two random distributions, the unif...
Yong Gao, Joseph C. Culberson
SIAMAM
2000
100views more  SIAMAM 2000»
13 years 11 months ago
Phase Transition Near a Liquid-Gas Coexistence Equilibrium
Effects of small perturbations from a liquid-gas coexistence equilibrium (the Maxwell states) is studied for an isothermal (or isentropic) gas-liquid phase transition in a sealed o...
Xiao-Ping Wang, Xinfu Chen
ML
2000
ACM
103views Machine Learning» more  ML 2000»
13 years 11 months ago
Phase Transitions in Relational Learning
One of the major limitations of relational learning is due to the complexity of verifying hypotheses on examples. In this paper we investigate this task in light of recent publishe...
Attilio Giordana, Lorenza Saitta
CORR
2004
Springer
118views Education» more  CORR 2004»
13 years 11 months ago
Understanding Search Trees via Statistical Physics
We study the random m-ary search tree model (where m stands for the number of branches of the search tree), an important problem for data storage in computer science, using a varie...
Satya N. Majumdar, David S. Dean, Paul L. Krapivsk...
SIAMAM
2008
119views more  SIAMAM 2008»
13 years 11 months ago
The Chapman--Jouguet Closure for the Riemann Problem with Vaporization
This work is devoted to the modelling of phase transition. The thermodynamic model for phase transition chosen is a model with two equations of state, each of them modelling one p...
Vincent Perrier