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15 papers · 1 filter
Correlation functions and queuing phenomena in growth processes with drift
S. Y. Yoon, Yup Kim
We suggest a novel stochastic discrete growth model which describes the drifted Edward-Wilkinson (EW) equation . F…
Dynamical Structures of High-Frequency Financial Data
Kyungsik Kim, Seong-Min Yoon, Soo Yong Kim +2
We study the dynamical behavior of high-frequency data from the Korean Stock Price Index (KOSPI) using the movement of returns in Korean financial markets. The dynamical behavior f…
Condensation phase transitions of symmetric conserved-mass aggregation model on complex networks
Sungchul Kwon, Sungmin Lee, Yup Kim
We investigate condensation phase transitions of symmetric conserved-mass aggregation (SCA) model on random networks (RNs) and scale-free networks (SFNs) with degree distribution $…
On Minimum Violations Ranking in Paired Comparisons
Juyong Park
Ranking a set of objects from the most dominant one to the least, based on the results of paired comparisons, proves to be useful in many contexts. Using the rankings of teams or i…
AdS(3) Solutions of IIB Supergravity from D3-branes
Nakwoo Kim
We consider pure D3-brane configurations of IIB string theory which lead to supersymmetric solutions containing an AdS factor. They can provide new examples of AdS/CFT…
Synchronization of R{ö}ssler Oscillators on Scale-free Topologies
Soon-Hyung Yook, Hildegard Meyer-Ortmanns
We study the synchronization of R{ö}ssler oscillators as prototype of chaotic systems, when they are coupled on scale-free complex networks. We find that the underlying topology cr…