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Consider the Loewner equation associated to the upper-half plane. Normally this equation is driven by a real-valued function. In this paper, we show that when the driving function is complex-valued with small $1/2$-H\"older norm, the…

Complex Variables · Mathematics 2017-07-05 Huy Tran

Building on H. Tran's study of Loewner hulls generated by complex-valued driving functions, which showed the existence of a phase transition, we answer the question of whether the phase transition for complex-driven hulls matches the phase…

Complex Variables · Mathematics 2022-12-21 Joan Lind , Jeffrey Utley

Let $\lambda:[0,+\infty)\mapsto\mathbb{R}$ be the driving function of a chordal Loewner process. In this paper we find new conditions on $\lambda$ which imply that the process is generated by a simple curve. This result improves former one…

Complex Variables · Mathematics 2019-03-26 Henshui Zhang , Michel Zinsmeister

We review two numerical methods related to the Schramm-Loewner evolution (SLE). The first simulates SLE itself. More generally, it finds the curve in the half-plane that results from the Loewner equation for a given driving function. The…

Mathematical Physics · Physics 2015-05-14 Tom Kennedy

We consider the chordal Loewner differential equation for multiple slits in the upper half-plane and relations between the pointwise H\"older continuity of the driving functions and the generated hulls. The first result generalizes a result…

Complex Variables · Mathematics 2015-02-05 Sebastian Schleißinger

The purpose of this paper is to interpret the phase transition in the Loewner theory as an analog of the hyperbolic variant of the Schur theorem about curves of bounded curvature. We define a family of curves that have a certain conformal…

Complex Variables · Mathematics 2014-06-11 Joan Lind , Steffen Rohde

Loewner Theory is a deep technique in Complex Analysis affording a basis for many further important developments such as the proof of famous Bieberbach's conjecture and well-celebrated Schramm's Stochastic Loewner Evolution (SLE). It…

Complex Variables · Mathematics 2010-02-04 Manuel D. Contreras , Santiago Diaz-Madrigal , Pavel Gumenyuk

The Loewner equation encrypts a growing simple curve in the plane into a real-valued driving function. We show that if the driving function $\lambda$ is in $C^{\beta}$ with $\beta>2$ (or real analytic) then the Loewner curve is in $C^{\beta…

Complex Variables · Mathematics 2014-11-11 Joan Lind , Huy Tran

We study the Loewner evolution whose driving function is $W_t = B_t^1 + i B_t^2$, where $(B^1,B^2)$ is a pair of Brownian motions with a given covariance matrix. This model can be thought of as a generalization of Schramm-Loewner evolution…

Probability · Mathematics 2023-07-24 Ewain Gwynne , Joshua Pfeffer

In this paper, we define and study Loewner chains and evolution families on finitely multiply-connected domains in the complex plane. These chains and families consist of conformal mappings on parallel slit half-planes and have one and two…

Complex Variables · Mathematics 2023-04-04 Takuya Murayama

In part 1 (Chapter 2) we present the basic notions of Loewner theory. Here we use a modern form which was developed by F. Bracci, M. Contreras, S. D\'iaz-Madrigal et al. and which can be applied to certain higher dimensional complex…

Complex Variables · Mathematics 2015-01-20 Sebastian Schleissinger

We consider evolution in the unit disk in which the sample paths are represented by the trajectories of points evolving randomly under the generalized Loewner equation. The driving mechanism differs from the SLE evolution, but nevertheless…

Complex Variables · Mathematics 2015-03-19 Georgy Ivanov , Alexander Vasil'ev

Loewner driving functions encode simple curves in 2-dimensional simply connected domains by real-valued functions. We prove that the Loewner driving function of a $C^{1,\beta}$ curve (differentiable parametrization with $\beta$-H\"older…

Complex Variables · Mathematics 2024-02-06 Steffen Rohde , Yilin Wang

Similar to the well-known phases of SLE, the Loewner differential equation with Lip(1/2) driving terms is known to have a phase transition at norm 4, when traces change from simple to non-simple curves. We establish the deterministic analog…

Complex Variables · Mathematics 2011-03-02 Joan Lind , Steffen Rohde

We obtain a first order differential equation for the driving function of the chordal Loewner differential equation in the case where the domain is slit by a curve which is a trajectory arc of certain quadratic differentials. In particular…

Complex Variables · Mathematics 2011-12-12 Jonathan Tsai

Loewner chains with Levy drivers have been proposed as models for random dendritic growth in two dimensions, and as candidates for finding extremal multifractal spectra in problems in classical function theory. These processes are not…

Probability · Mathematics 2025-10-20 Eveliina Peltola , Anne Schreuder

The Loewner equation provides a correspondence between continuous real-valued functions $\lambda_t$ and certain increasing families of half-plane hulls $K_t$. In this paper we study the deterministic relationship between specific analytic…

Complex Variables · Mathematics 2016-02-24 Kyle Kinneberg

The Loewner equation, in its stochastic incarnation introduced by Schramm, is an insightful method for the description of critical random curves and interfaces in two-dimensional statistical mechanics. Two features are crucial, namely…

Statistical Mechanics · Physics 2015-06-16 Marco Gherardi , Alessandro Nigro

We construct radial stochastic Loewner evolution in multiply connected domains, choosing the unit disk with concentric circular slits as a family of standard domains. The natural driving function or input is a diffusion on the associated…

Probability · Mathematics 2007-05-23 Robert O. Bauer , Roland M. Friedrich

Equations of the Loewner class subject to non-constant boundary conditions along the real axis, are formulated and solved giving the geodesic paths of slits growing in the upper half complex plane. The problem is motivated by Laplacian…

Pattern Formation and Solitons · Physics 2020-10-09 Robb McDonald
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