15 citations · 47 across the 6 of their papers we have counts for
6 papers
Evolution of popularity in given names
Mi Jin Lee, Woo Seong Jo, Il Gu Yi +2
An individual's identity in a human society is specified by his or her name. Differently from family names, usually inherited from fathers, a given name for a child is often chosen…
Universal statistics of the knockout tournament
Seung Ki Baek, Il Gu Yi, Hye Jin Park +1
We study statistics of the knockout tournament, where only the winner of a fixture progresses to the next. We assign a real number called competitiveness to each contestant and fin…
Fractality of profit landscapes and validation of time series models for stock prices
Il Gu Yi, Gabjin Oh, Beom Jun Kim
We apply a simple trading strategy for various time series of real and artificial stock prices to understand the origin of fractality observed in the resulting profit landscapes. T…
Fractal Profit Landscape of the Stock Market
Andreas Gronlund, Il Gu Yi, Beom Jun Kim
We investigate the structure of the profit landscape obtained from the most basic, fluctuation based, trading strategy applied for the daily stock price data. The strategy is param…
Antiphase synchronization of two nonidentical pendulums
Il Gu Yi, Hyun Keun Lee, Sung Hyun Jeon +1
We numerically study the synchronization of two nonidentical pendulum motions, pivoting on a common movable frame in the point of view of the dynamic phase transition. When the dif…
Comment on "Phase transition in a one-dimensional Ising ferromagnet at zero temperature using Glauber dynamics with a synchronous updating mode"
Il Gu Yi, Beom Jun Kim
Sznajd-Weron in [Phys. Rev. E {\bf 82}, 031120 (2010)] suggested that the one-dimensional Ising model subject to the zero temperature synchronous Glauber dynamics exhibits a discon…