Chaos in Vallis' asymmetric Lorenz model for El Nino
- Date
- Jul 17, 2014
- Time
- 3:15 PM - 4:15 PM
- Speaker
- Prof. Dr. Barnabas Garay
- Affiliation
- Pazmany Peter Catholic University, Budapest
- Series
- TUD Mathematik Oberseminar Analysis
- Language
- en
- Main Topic
- Mathematik
- Other Topics
- Mathematik
- Host
- Prof. Dr. Stefan Siegmund
- Description
- We consider Vallis' symmetric and asymmetric Lorenz models for El Nino – systems of autonomous ordinary differential equations in 3D – with the usual parameters and, in both cases, by using rigorous numerics, locate topological horseshoes in iterates of Poincare return maps. The novelty of the approach is the direct exploitation of the numerical Lorenz maps associated to the pair of the “crescent--shaped curves” on the Poincaré plane. Background results on multivalued perturbations of saddles and horseshoes are also presented.
- Links
Last modified: Jul 7, 2014, 1:00:43 PM
Location
TUD Willers-Bau (WIL C 129)Zellescher Weg12-1401069Dresden
- Homepage
- https://navigator.tu-dresden.de/etplan/wil/00
Organizer
TUD MathematikWillersbau, Zellescher Weg12-1401069Dresden
- Phone
- 49-351-463 33376
- Homepage
- http://tu-dresden.de/mathematik
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