Ultradiscretization of solvable chaotic maps and the tropical geometry
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Kajiwara, K (Kyushu)
Thursday 02 April 2009, 11:30-12:15 Geometric Aspects of Discrete and Ultra-discrete Integrable Systems |
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Created: | 2009-04-25 17:51 | ||||||||
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Collection: | Discrete Integrable Systems | ||||||||
Publisher: | Isaac Newton Institute | ||||||||
Copyright: | Kenji Kajiwara | ||||||||
Language: | eng (English) | ||||||||
Credits: |
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Abstract: | A seminar from the Geometric Aspects of Discrete and Ultra-discrete Integrable Systems conference in association with the Newton Institute programme: Discrete Integrable Systems
http://www.gla.ac.uk/departments/mathematics/research/isamp/events/gadudis/programme/ We consider a certain one-dimensional solvable chaotic map arising from the duplication formula of elliptic function, which is a generalization of the logistic map. Applying the ultradiscretization, we obtain the tent map and its general solution simultaneously. We then discuss the tropical geometric interpretation of the tent map; it arises from the duplication map of a certain tropical plane biquadratic curve. If time permits, I will mention on the map arising from the m-th multiplication formula of the elliptic function, and recent result on a certain two-dimensional map. |
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