Computer Graphics Laboratory ETH Zurich

ETH

Objective Finite-Time Saddles and their Connection to FTLE

R. Bujack, S. Dutta, I. Baeza Rojo, D. Zhang, T. Günther

To appear: Eurographics Conference on Visualization - Short Papers (Porto, Portugal, June 3-7, 2019)

Abstract

Based on an intuitive physical definition of what a finite-time saddle-like behavior is, we derive a mathematical definition. We show that this definition builds the link between two FTLE-based saddle generalizations, which is not only of theoretical interest but also provides a more robust extraction of finite-time saddles.


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