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Bowen's Formula for a Dynamical Solenoid
Andrzej Biś1, Wojciech Kozłowski1, Agnieszka Marczuk1
1Faculty of Mathematics and Computer Science, University of Lodz, Banacha 22, 90-238 Łódź, Poland.
Entropy (Basel, Switzerland)
|November 27, 2024
Summary
This study extends Bowen's formula, connecting ergodic theory and dimension theory, to sequences of conformal maps. The research proves the formula holds for dynamical conformal solenoids, a generalized dynamical system.
Area of Science:
- Dynamical Systems
- Ergodic Theory
- Fractal Geometry
Background:
- Rufus Bowen established a formula linking ergodic theory and dimension theory in dynamical systems.
- The original Bowen's formula relates Hausdorff dimension of conformal repellers to pressure function zeros for a single conformal map.
Purpose of the Study:
- To extend Bowen's formula to a sequence of conformal maps.
- To investigate the applicability of Bowen's formula in the context of dynamical solenoids.
Main Methods:
- Definition of a dynamical solenoid using backward compositions of continuous surjections on a compact metric space.
- Development of a self-contained proof for the validity of Bowen's formula under mild assumptions.
Main Results:
- Demonstration that Bowen's formula holds for dynamical conformal solenoids.
- Establishment of the corollary that Bowen's formula is valid for a single conformal surjection on a compact space.
Conclusions:
- The findings generalize a fundamental result in dimension theory for dynamical systems.
- The research validates and extends the applicability of Bowen's formula to more complex systems like conformal solenoids.
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