Collective behavior of stock prices in the time of crisis as a response to the external stimulus

no code implementations • 9 May 2022 • Maryam Zamani, Sander Paekivi, Philipp Meyer, Holger Kantz

We analyze the interaction between stock prices of big companies in the USA and Germany using Granger Causality.

Data-Driven Interaction Analysis of Line Failure Cascading in Power Grid Networks

no code implementations • 2 Dec 2021 • Abdorasoul Ghasemi, Holger Kantz

We use weighted $l_1$-regularized logistic regression-based models to find static and dynamic models that capture pairwise and latent higher-order lines' failure interactions using pairwise statistical data.

Time Series Time Series Analysis

Evolution and Transformation of Scientific Knowledge over the Sphaera Corpus: A Network Study

no code implementations • 1 Apr 2020 • Maryam Zamani, Alejandro Tejedor, Malte Vogl, Florian Krautli, Matteo Valleriani, Holger Kantz

The most influential books in the corpus are found by calculating the average age of all the out-going and in-coming links for each book.

History and Philosophy of Physics Digital Libraries Physics and Society