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- Kwang-Il Goh, Eulsik Oh, Hawoong Jeong, Byungnam Kahng, Doochul Kim
- Proceedings of the National Academy of Sciencesâ€¦
- 2002

While the emergence of a power-law degree distribution in complex networks is intriguing, the degree exponent is not universal. Here we show that the between ness centrality displays a power-lawâ€¦ (More)

In scale-free networks, the degree distribution follows a power law with the exponent . Many model networks exist which reproduce the scale-free nature of the real-world networks. In most of theseâ€¦ (More)

Owing to the recent progress in high-throughput experimental techniques, the datasets of large-scale protein interactions of prototypical multicellular species, the nematode worm Caenorhabditisâ€¦ (More)

- H. Y. Lee, H. Y. Lee, Doochul Kim
- 1998

We study the traffic flow on a highway with ramps through numerical simulations of a hydrodynamic traffic flow model. It is found that the presence of the external vehicle flux through rampsâ€¦ (More)

Avalanche dynamics is an indispensable feature of complex systems. Here, we study the self-organized critical dynamics of avalanches on scale-free networks with degree exponent through theâ€¦ (More)

- Hyun Keun Lee, Robert BarloviÄ‡, Michael Schreckenberg, Doochul Kim
- Physical review letters
- 2004

A new cellular automaton traffic model is presented. The focus is on mechanical restrictions of vehicles realized by limited acceleration and deceleration capabilities. These features areâ€¦ (More)

We study avalanche dynamics on scale-free networks, following a power-law degree distribution, pd Ã°kÃž k ; through the Bakâ€“Tangâ€“Wiesenfeld sandpile model. The threshold height of a node i is set to beâ€¦ (More)

We calculate the mean neighboring degree function kÌ„nn(k) and the mean clustering function C(k) of vertices with degreek as a function ofk in finite scale-free random networks through the static modeâ€¦ (More)

We study the bond percolation problem in random graphs of N weighted vertices, where each vertexi has a prescribed weight Pi and an edge can connect vertices i and j with ratePiPj . The problem isâ€¦ (More)

- Kihwan Kim, Myoung-Sun Heo, +4 authors Wonho Jhe
- Physical review letters
- 2006

We have observed spontaneous symmetry breaking of the population of Brownian particles between two moving potentials in the spatiotemporally symmetric system. Cold atoms preferentially occupy one ofâ€¦ (More)