Hierarchical structure of the European countries based on debts as a percentage of GDP during the 2000–2011 period

E Kantar, B Deviren, M Keskin - Physica A: Statistical Mechanics and its …, 2014 - Elsevier
We investigate hierarchical structures of the European countries by using debt as a
percentage of Gross Domestic Product (GDP) of the countries as they change over a certain …

[HTML][HTML] Thermodynamic Characterization of Planar Shapes and Curves, and the Query of Temperature in Black Holes

G Gündüz - Journal of Applied Mathematics and Physics, 2021 - scirp.org
The purpose of this research is to characterize shapes in thermodynamic terms, namely, in
terms of total energy, dissipative energy, entropy, and temperature. As case studies …

Pattern formation in time series systems due to viscoelastic behavior: Case studies in uniform distribution, normal distribution, stock market index, and music

G Gündüz - International Journal of Modern Physics C, 2018 - World Scientific
A new methodology was introduced to investigate the pattern formation in time series
systems due to their viscoelastic behavior. Four stochastic processes, uniform distribution …

Viscoelasticity and pattern formations in stock market indices

G Gündüz, A Gündüz - The European Physical Journal B, 2017 - Springer
The viscoelastic and thermodynamic properties of four stock indices, namely, DJI, Nasdaq-
100, Nasdaq-Composite, and S&P were analyzed for a period of 30 years from 1986 to …

The dynamics of the rise and fall of empires

G Gündüz - International Journal of Modern Physics C, 2016 - World Scientific
The rise of empires can be elucidated by treating them as living organisms, and the
celebrated Verhulst or Lotka–Volterra dynamics can be used to understand the growth …

[引用][C] 股市中危机传播的SIR 模型及其仿真

马源源, 庄新田, 李凌轩 - 管理科学学报, 2013