Concepedia

Kari Astala

KA

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Publications

29

Citations

2K

H-Index

19

Active since

1982

Affiliations

University of Helsinki(Current)

Syracuse University

University of Jyväskylä

Statistics Finland

Kari Astala is an author at University of Helsinki specializing in functional analysis, engineering, and spectral theory.

Top concepts

Functional AnalysisEngineeringSpectral TheoryGeometryIntegral GeometryInverse ProblemsNumerical AnalysisComputational ElectromagneticsHealthPhysics

Publications per year

1982–2020

29

Publications

29

Calderón’s inverse conductivity problem in the plane

Kari Astala, Lassi Païvärinta · Annals of Mathematics · 2006 · 543 citations · Full text

Area distortion of quasiconformal mappings

Kari Astala · Acta Mathematica · 1994 · 300 citations · Full text

Integral Geometry, Geometry, Area Distortion +8

Calderóns' Inverse Problem for Anisotropic Conductivity in the Plane

Kari Astala, Lassi Païvärinta, Matti Lassas · Communications in Partial Differential Equations · 2005 · 166 citations

Elliptic Equation, Riemann-hilbert Problem, Local Boundary Data +7

Beltrami operators in the plane

Kari Astala, Tadeusz Iwaniec, Eero Saksman · Duke Mathematical Journal · 2001 · 141 citations

Integral Geometry, Spectral Theory, Weakly Quasiconformal Mappings +11

Extremal mappings of finite distortion

Kari Astala, Tadeusz Iwaniec, Gaven Martin et al. · Proceedings of the London Mathematical Society · 2005 · 115 citations · Full text

Distortion Function, Variational Analysis, Finite Distortion +7

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