Numerical conformal mapping with rational functions

LN Trefethen - Computational Methods and Function Theory, 2020 - Springer
New algorithms are presented for numerical conformal mapping based on rational
approximations and the solution of Dirichlet problems by least-squares fitting on the …

Bijective Density-Equalizing Quasiconformal Map for Multiply Connected Open Surfaces

Z Lyu, GPT Choi, LM Lui - SIAM Journal on Imaging Sciences, 2024 - SIAM
This paper proposes a novel method for computing bijective density-equalizing
quasiconformal flattening maps for multiply connected open surfaces. In conventional …

Exact and approximate solutions for elastic interactions in a nematic liquid crystal

TGJ Chandler, SE Spagnolie - SIAM Journal on Applied Mathematics, 2024 - SIAM
Anisotropic fluids appear in a diverse array of systems, from liquid crystal displays to
bacterial swarms, and are characterized by orientational order. Large colloidal particles …

Efficient conformal parameterization of multiply-connected surfaces using quasi-conformal theory

GPT Choi - Journal of Scientific Computing, 2021 - Springer
Conformal mapping, a classical topic in complex analysis and differential geometry, has
become a subject of great interest in the area of surface parameterization in recent decades …

Asymptotics of the conformal modulus of a nonsymmetric unbounded doubly-connected domain under stretching

GV Nguyen, SR Nasyrov - Lobachevskii Journal of Mathematics, 2022 - Springer
We describe the asymptotic behavior of the conformal modulus of an unbounded doubly-
connected domain, non-symmetric with respect to the coordinate axes, when stretched in the …

Parallelizable global quasi-conformal parameterization of multiply connected surfaces via partial welding

Z Zhu, GPT Choi, LM Lui - SIAM Journal on Imaging Sciences, 2022 - SIAM
Conformal and quasi-conformal mappings have widespread applications in imaging
science, computer vision, and computer graphics and can be used in surface registration …

Solving Conformal Mapping Issues in Tunnel Engineering

W Chen, D Zhang, Q Fang, X Chen, L Yu - Symmetry, 2024 - mdpi.com
The calculation of conformal mapping for irregular domains is a crucial step in deriving
analytical and semi-analytical solutions for irregularly shaped tunnels in rock masses using …

[HTML][HTML] OpenConMap: A Matlab toolbox for mapping the interior of the unit circle to the exterior of simple closed curves

K He, K Wang - SoftwareX, 2024 - Elsevier
The conformal mapping function from the interior of the complex plane's unit circle to the
exterior of any simple closed curve on the real plane finds widespread applications …

[HTML][HTML] Conformal capacity and polycircular domains

H Hakula, MMS Nasser, M Vuorinen - Journal of Computational and …, 2023 - Elsevier
We study numerical conformal mapping of multiply connected planar domains with
boundaries consisting of unions of finitely many circular arcs, so called polycircular domains …

Level sets of potential functions bisecting unbounded quadrilaterals

MMS Nasser, S Nasyrov, M Vuorinen - Analysis and Mathematical Physics, 2022 - Springer
We study the mixed Dirichlet–Neumann problem for the Laplace equation in the
complement of a bounded convex polygonal quadrilateral in the extended complex plane …