scholarly journals High-frequency QPOs as a problem in physics: non-linear resonance

2004 ◽  
Author(s):  
Włodek Kluźniak
Keyword(s):  
High Frequency ◽  
Non Linear ◽  
Linear Resonance

scholarly journals Uncertainty Due to Infectious Diseases and Stock–Bond Correlation

Econometrics ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 17
Author(s):  
Konstantinos Gkillas ◽  
Christoforos Konstantatos ◽  
Costas Siriopoulos
Keyword(s):  
Neural Networks ◽  
Artificial Neural Networks ◽  
Infectious Diseases ◽  
Granger Causality ◽  
Predictive Value ◽  
High Frequency ◽  
Causal Relation ◽  
Granger Causality Test ◽  
Causality Test ◽  
Non Linear

We study the non-linear causal relation between uncertainty-due-to-infectious-diseases and stock–bond correlation. To this end, we use high-frequency 1-min data to compute daily realized measures of correlation and jumps, and then, we employ a nonlinear Granger causality test with the use of artificial neural networks so as to investigate the predictability of this type of uncertainty on realized stock–bond correlation and jumps. Our findings reveal that uncertainty-due-to-infectious-diseases has significant predictive value on the changes of the stock–bond relation.

Evaluation of residual tensile strength of fire-damaged concrete using a non-linear resonance vibration method

2015 ◽  
Vol 67 (5) ◽  
pp. 235-246 ◽  
Author(s):  
Sun-Jong Park ◽  
Gang-Kyu Park ◽  
Hong Jae Yim ◽  
Hyo-Gyoung Kwak
Keyword(s):  
Tensile Strength ◽  
Resonance Vibration ◽  
Vibration Method ◽  
Non Linear ◽  
Linear Resonance
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