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Regularity of SLE in and refined GRR estimates
Peter K Friz1, Huy Tran2, Yizheng Yuan2
1TU and WIAS, Berlin, Germany.
This study enhances understanding of Schramm-Loewner evolution (SLE) by proving joint Hölder continuity for SLE traces up to a higher parameter value. The research also establishes stochastic continuity for SLE traces, advancing the analysis of random fractal curves.
Area of Science:
- Stochastic processes
- Conformal field theory
- Geometric analysis
Background:
- Schramm-Loewner evolution (SLE) is a fundamental tool for modeling random curves in 2D.
- Previous work established almost sure Hölder continuity of the SLE trace for specific parameter ranges.
- Understanding the regularity and continuity of SLE traces is crucial for their rigorous mathematical analysis.
Purpose of the Study:
- To improve the known Hölder continuity results for SLE traces.
- To establish stochastic continuity of the SLE trace for all parameter values.
- To introduce a novel variation of the Garsia-Rodemich-Rumsey inequality for broader applications.
Main Methods:
- Utilizing Loewner evolution with half-plane capacity parametrization.
- Employing a novel variation of the Garsia-Rodemich-Rumsey inequality.
- Analyzing the regularity and continuity properties of the resulting random field.
Main Results:
- Achieved joint Hölder continuity of the SLE trace up to a higher parameter value (previously shown for a lower range).
- Demonstrated stochastic continuity of the SLE trace as a continuous path for all parameter values.
- Developed a new Garsia-Rodemich-Rumsey inequality with independent mathematical significance.
Conclusions:
- The findings significantly advance the understanding of SLE trace regularity and continuity.
- The improved continuity results have implications for the study of random fractal geometry.
- The novel inequality provides a new analytical tool for related stochastic process research.
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