Edit Profile (opens in new tab) Astala, Kari Compute Distance To: Compute Author ID: astala.kari Published as: Astala, Kari; Astala, K. Homepage: http://math.aalto.fi/en/people/kari.astala External Links: MGP · Wikidata · dblp · GND · IdRef Documents Indexed: 78 Publications since 1980, including 1 Book Co-Authors: 47 Co-Authors with 65 Joint Publications 999 Co-Co-Authors all top 5 Co-Authors 13 single-authored 12 Iwaniec, Tadeusz 9 Faraco, Daniel 9 Martin, Gaven J. 9 Päivärinta, Lassi 9 Saksman, Eero 7 Clop, Albert 5 Jääskeläinen, Jarmo 5 Zinsmeister, Michel 4 Gehring, Frederick William 4 Prause, István 3 Koskela, Pekka 3 Lassas, Matti J. 3 Rogers, Keith McKenzie 3 Siltanen, Samuli 3 Tylli, Hans-Olav 3 Uriarte-Tuero, Ignacio 2 Heinonen, Juha 2 Jones, Peter Wilcox 2 Koski, Aleksis 2 Kupiainen, Antti 2 Mateu, Joan 2 Mueller, Jennifer L. 2 Onninen, Jani 2 Orobitg, Joan 2 Rohde, Steffen 2 Székelyhidi, László jun. 1 Balogh, Zoltán M. 1 Bonk, Mario 1 Fernández Pérez, José Luis 1 Gill, James T. 1 González, María José 1 Hag, Kari 1 Hag, Per 1 Ivrii, Oleg V. 1 Lappalainen, Vesa 1 Todorčević, Vesna 1 Miettinen, Markku 1 Nesi, Vincenzo 1 Perälä, Antti Ilmari 1 Perämäki, Allan 1 Ramanujan, M. S. 1 Reimann, Hans Martin 1 Reyes, Juan Manuel 1 Tao, Terence 1 Tolsa, Xavier 1 Vala, Klaus 1 Verdera, Joan all top 5 Serials 3 Journal d’Analyse Mathématique 3 Annales Academiae Scientiarum Fennicae. Series A I. Mathematica 2 Archive for Rational Mechanics and Analysis 2 Acta Mathematica 2 Duke Mathematical Journal 2 Mathematische Annalen 2 Michigan Mathematical Journal 2 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 2 Revista Matemática Iberoamericana 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 1 Arkhimedes 1 Journal of Computational Physics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Nonlinearity 1 Studia Mathematica 1 American Journal of Mathematics 1 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 1 Collectanea Mathematica 1 Indiana University Mathematics Journal 1 Publications Mathématiques 1 Inventiones Mathematicae 1 Journal of Functional Analysis 1 Journal of the London Mathematical Society. Second Series 1 Journal für die Reine und Angewandte Mathematik 1 Monatshefte für Mathematik 1 Pacific Journal of Mathematics 1 Proceedings of the American Mathematical Society 1 Proceedings of the London Mathematical Society. Third Series 1 Ergodic Theory and Dynamical Systems 1 Complex Variables. Theory and Application 1 Journal of the American Mathematical Society 1 IMRN. International Mathematics Research Notices 1 Geometric and Functional Analysis. GAFA 1 Communications in Partial Differential Equations 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Proceedings of the National Academy of Sciences of the United States of America 1 Comptes Rendus de l’Académie des Sciences. Série I 1 Potential Analysis 1 Calculus of Variations and Partial Differential Equations 1 Applied and Computational Harmonic Analysis 1 Filomat 1 Methods and Applications of Analysis 1 Documenta Mathematica 1 Annales Academiae Scientiarum Fennicae. Mathematica 1 Annals of Mathematics. Second Series 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Pure and Applied Mathematics Quarterly 1 Annales Academiæ Scientiarum Fennicæ. Series A I. Mathematica. Dissertationes 1 Princeton Mathematical Series 1 Publications in Sciences. University of Joensuu 1 Inverse Problems and Imaging 1 RIMS Kôkyûroku Bessatsu 1 Analysis & PDE all top 5 Fields 59 Functions of a complex variable (30-XX) 25 Partial differential equations (35-XX) 7 Harmonic analysis on Euclidean spaces (42-XX) 5 Operator theory (47-XX) 5 Optics, electromagnetic theory (78-XX) 4 Several complex variables and analytic spaces (32-XX) 4 Functional analysis (46-XX) 4 Numerical analysis (65-XX) 3 Integral equations (45-XX) 3 Probability theory and stochastic processes (60-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Mechanics of deformable solids (74-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 Group theory and generalizations (20-XX) 1 Measure and integration (28-XX) 1 Ordinary differential equations (34-XX) 1 Integral transforms, operational calculus (44-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Information and communication theory, circuits (94-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 69 Publications have been cited 1,502 times in 1,042 Documents Cited by ▼ Year ▼ Elliptic partial differential equations and quasiconformal mappings in the plane. Zbl 1182.30001Astala, Kari; Iwaniec, Tadeusz; Martin, Gaven 327 2009 Calderón’s inverse conductivity problem in the plane. Zbl 1111.35004Astala, Kari; Päivärinta, Lassi 170 2006 Area distortion of quasiconformal mappings. Zbl 0815.30015Astala, Kari 134 1994 Extremal mappings of finite distortion. Zbl 1089.30013Astala, K.; Iwaniec, T.; Martin, G. J.; Onninen, J. 68 2005 Beltrami operators in the plane. Zbl 1009.30015Astala, Kari; Iwaniec, Tadeusz; Saksman, Eero 65 2001 Teichmüller spaces and BMOA. Zbl 0896.30028Astala, Kari; Zinsmeister, Michel 62 1991 Calderóns’ inverse problem for anisotropic conductivity in the plane. Zbl 1129.35483Astala, Kari; Päivärinta, Lassi; Lassas, Matti 57 2005 Mappings of \(BMO\)-bounded distortion. Zbl 0954.30009Astala, Kari; Iwaniec, Tadeusz; Koskela, Pekka; Martin, Gaven 47 2000 Deformations of annuli with smallest mean distortion. Zbl 1219.30011Astala, K.; Iwaniec, T.; Martin, G. 46 2010 Random conformal weldings. Zbl 1253.30032Astala, Kari; Jones, Peter; Kupiainen, Antti; Saksman, Eero 38 2011 Injectivity, the BMO norm and the universal Teichmüller space. Zbl 0628.30026Astala, K.; Gehring, F. W. 33 1986 Quasiconformal analogues of theorems of Koebe and Hardy-Littlewood. Zbl 0574.30027Astala, K.; Gehring, F. W. 28 1985 Seminorms related to weak compactness and to Tauberian operators. Zbl 0709.47009Astala, Kari; Tylli, Hans-Olav 25 1990 Quasiconformal mappings and global integrability of the derivative. Zbl 0772.30022Astala, Kari; Koskela, Pekka 24 1991 On measures of noncompactness and ideal variations in Banach spaces. Zbl 0426.47001Astala, Kari 21 1980 Convex integration and the \(L^p\) theory of elliptic equations. Zbl 1164.30014Astala, Kari; Faraco, Daniel; Székelyhidi, László jun. 20 2008 Burkholder integrals, Morrey’s problem and quasiconformal mappings. Zbl 1276.30038Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 19 2012 Quasiregular mappings and Young measures. Zbl 1016.30016Astala, Kari; Faraco, Daniel 16 2002 Holomorphic motions. Zbl 1001.30020Astala, K.; Martin, G. J. 14 2001 Bilipschitz and quasiconformal rotation, stretching and multifractal spectra. Zbl 1326.30022Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 14 2015 The borderlines of invisibility and visibility in Calderón’s inverse problem. Zbl 1381.35239Astala, Kari; Lassas, Matti; Päivärinta, Lassi 14 2016 Optimal regularity for planar mappings of finite distortion. Zbl 1191.30007Astala, Kari; Gill, James T.; Rohde, Steffen; Saksman, Eero 12 2010 Composites and quasiconformal mappings: new optimal bounds in two dimensions. Zbl 1106.74052Astala, Kari; Nesi, Vincenzo 12 2003 Numerical computation of complex geometrical optics solutions to the conductivity equation. Zbl 1195.78077Astala, Kari; Mueller, Jennifer L.; Päivärinta, Lassi; Siltanen, Samuli 12 2010 On the bounded compact approximation property and measures of noncompactness. Zbl 0614.46011Astala, Kari; Tylli, Hans-Olav 12 1987 Direct electrical impedance tomography for nonsmooth conductivities. Zbl 1237.78014Astala, Kari; Mueller, Jennifer L.; Päivärinta, Lassi; Perämäki, Allan; Siltanen, Samuli 11 2011 A remark on quasi-conformal mappings and BMO-functions. Zbl 0567.30016Astala, Kari 11 1983 Mostow rigidity and Fuchsian groups. Zbl 0709.30039Astala, Kari; Zinsmeister, Michel 10 1990 Nonlinear Beltrami operators, Schauder estimates and bounds for the Jacobian. Zbl 1375.30024Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Koski, Aleksis 9 2017 On Pavlovic’s theorem in space. Zbl 1336.30031Astala, Kari; Manojlović, Vesna 9 2015 \(H^p\)-theory for quasiconformal mappings. Zbl 1248.30006Astala, Kari; Koskela, Pekka 8 2011 A boundary integral equation for Calderón’s inverse conductivity problem. Zbl 1104.35068Astala, Kari; Päivärinta, Lassi 8 2006 Nonlinear Fourier analysis for discontinuous conductivities: computational results. Zbl 1349.78047Astala, Kari; Päivärinta, Lassi; Reyes, Juan Manuel; Siltanen, Samuli 7 2014 Asymptotic variance of the Beurling transform. Zbl 1331.30010Astala, Kari; Ivrii, Oleg; Perälä, Antti; Prause, István 7 2015 Pucci’s conjecture and the Alexandrov inequality for elliptic PDEs in the plane. Zbl 1147.35021Astala, K.; Iwaniec, T.; Martin, G. 7 2006 Distortion of Hausdorff measures and improved Painlevé removability for quasiregular mappings. Zbl 1140.30009Astala, K.; Clop, A.; Mateu, J.; Orobitg, J.; Uriarte-Tuero, I. 7 2008 Holomorphic families of quasi-Fuchsian groups. Zbl 0801.30035Astala, K.; Zinsmeister, M. 7 1994 Chord-arc curves and the Beurling transform. Zbl 1355.30017Astala, K.; González, M. J. 7 2016 Analytic aspects of quasiconformality. Zbl 0906.30019Astala, Kari 7 1998 Quasiconformal mappings with Sobolev boundary values. Zbl 1170.30307Astala, Kari; Bonk, Mario; Heinonen, Juha 6 2002 On Peano’s theorem in locally convex spaces. Zbl 0507.34047Astala, Kari 6 1982 Selfsimilar zippers. Zbl 0658.30005Astala, Kari 6 1988 Random curves by conformal welding. (Courbes aléatoires par soudure conforme.) Zbl 1190.30005Astala, Kari; Jones, Peter; Kupiainen, Antti; Saksman, Eero 6 2010 Calderón’s problem for Lipschitz classes and the dimension of quasicircles. Zbl 0703.30036Astala, Kari 5 1988 Homeomorphic solutions to reduced Beltrami equations. Zbl 1182.30027Astala, Kari; Jääskeläinen, Jarmo 5 2009 The finite Hilbert transform in weighted spaces. Zbl 0886.46047Astala, Kari; Päivärinta, Lassi; Saksman, Eero 4 1996 Uniqueness of normalized homeomorphic solutions to nonlinear Beltrami equations. Zbl 1251.35004Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Székelyhidi, László jun. 4 2012 On Plancherel’s identity for a two-dimensional scattering transform. Zbl 1328.35299Astala, Kari; Faraco, Daniel; Rogers, Keith M. 4 2015 Unbounded potential recovery in the plane. (Reconstruction de potentiels non bornés dans le plan.) Zbl 1366.35236Astala, Kari; Faraco, Daniel; Rogers, Keith M. 4 2016 Crickets, zippers, and the Bers universal Teichmüller space. Zbl 0711.30020Astala, K.; Gehring, F. W. 4 1990 A hunt for sharp \(\mathcal L^p\)-estimates and rank-one convex variational integrals. Zbl 1474.30151Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 4 2015 On quasiconformal rigidity in space and plane. Zbl 0633.30021Astala, K.; Heinonen, J. 4 1988 Quasiconformal distortion of Riesz capacities and Hausdorff measures in the plane. Zbl 1264.30015Astala, K.; Clop, A.; Tolsa, X.; Uriarte-Tuero, I.; Verdera, J. 4 2013 Schottky’s theorem on conformal mappings between annuli: a play of derivatives and integrals. Zbl 1170.30003Astala, K.; Iwaniec, T.; Martin, G.; Onninen, J. 3 2008 Lipschitz classes and the Hardy–Littlewood property. Zbl 0782.30002Astala, Kari; Hag, Kari; Hag, Per; Lappalainen, Vesa 3 1993 On semi Fredholm operators and the Calkin algebra. Zbl 0585.47005Astala, Kari; Tylli, Hans-Olav 3 1986 Abelian coverings, Poincaré exponent of convergence and holomorphic deformations. Zbl 0820.30012Astala, K.; Zinsmeister, M. 3 1995 On quasiconformal mappings and 2-dimensional \(G\)-closure problems. Zbl 0912.65106Astala, Kari; Miettinen, Markku 3 1998 Quasiharmonic analysis and BMO. Zbl 0743.30032Astala, Kari 2 1989 Injectivity criteria and the quasidisk. Zbl 0588.30022Astala, K.; Gehring, F. W. 2 1984 Rectifiability in Teichmüller theory. Zbl 0839.30049Astala, Kari; Zinsmeister, Michel 2 1995 Planar quasiconformal mappings; deformations and interactions. Zbl 0891.30011Astala, Kari 2 1998 Improved Hölder regularity for strongly elliptic PDEs. Zbl 1446.30034Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Koski, Aleksis 2 2020 Recovery of the Dirichlet-to-Neumann map from scattering data in the plane. Zbl 1379.35342Astala, Kari; Faraco, Daniel; Rogers, Keith M. 1 2014 Calderón’s inverse problem: imaging and invisibility. Zbl 1316.35294Astala, Kari; Lassas, Matti; Päivärinta, Lassi 1 2013 Monotone maps of \(\mathbb{R}^n\) are quasiconformal. Zbl 1178.30025Astala, Kari; Iwaniec, Tadeusz; Martin, Gaven J. 1 2008 Recent connections and applications of planar quasiconformal mappings. Zbl 0908.30019Astala, Kari 1 1998 Lempert applications and holomorphic motions in \({\mathbb C}^n\). Zbl 1044.32014Astala, Kari; Balogh, Zoltan; Reimann, Hans Martin 1 2000 Manifolds of quasiconformal mappings and the nonlinear Beltrami equation. Zbl 1475.30046Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo 1 2019 Improved Hölder regularity for strongly elliptic PDEs. Zbl 1446.30034Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Koski, Aleksis 2 2020 Manifolds of quasiconformal mappings and the nonlinear Beltrami equation. Zbl 1475.30046Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo 1 2019 Nonlinear Beltrami operators, Schauder estimates and bounds for the Jacobian. Zbl 1375.30024Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Koski, Aleksis 9 2017 The borderlines of invisibility and visibility in Calderón’s inverse problem. Zbl 1381.35239Astala, Kari; Lassas, Matti; Päivärinta, Lassi 14 2016 Chord-arc curves and the Beurling transform. Zbl 1355.30017Astala, K.; González, M. J. 7 2016 Unbounded potential recovery in the plane. (Reconstruction de potentiels non bornés dans le plan.) Zbl 1366.35236Astala, Kari; Faraco, Daniel; Rogers, Keith M. 4 2016 Bilipschitz and quasiconformal rotation, stretching and multifractal spectra. Zbl 1326.30022Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 14 2015 On Pavlovic’s theorem in space. Zbl 1336.30031Astala, Kari; Manojlović, Vesna 9 2015 Asymptotic variance of the Beurling transform. Zbl 1331.30010Astala, Kari; Ivrii, Oleg; Perälä, Antti; Prause, István 7 2015 On Plancherel’s identity for a two-dimensional scattering transform. Zbl 1328.35299Astala, Kari; Faraco, Daniel; Rogers, Keith M. 4 2015 A hunt for sharp \(\mathcal L^p\)-estimates and rank-one convex variational integrals. Zbl 1474.30151Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 4 2015 Nonlinear Fourier analysis for discontinuous conductivities: computational results. Zbl 1349.78047Astala, Kari; Päivärinta, Lassi; Reyes, Juan Manuel; Siltanen, Samuli 7 2014 Recovery of the Dirichlet-to-Neumann map from scattering data in the plane. Zbl 1379.35342Astala, Kari; Faraco, Daniel; Rogers, Keith M. 1 2014 Quasiconformal distortion of Riesz capacities and Hausdorff measures in the plane. Zbl 1264.30015Astala, K.; Clop, A.; Tolsa, X.; Uriarte-Tuero, I.; Verdera, J. 4 2013 Calderón’s inverse problem: imaging and invisibility. Zbl 1316.35294Astala, Kari; Lassas, Matti; Päivärinta, Lassi 1 2013 Burkholder integrals, Morrey’s problem and quasiconformal mappings. Zbl 1276.30038Astala, Kari; Iwaniec, Tadeusz; Prause, István; Saksman, Eero 19 2012 Uniqueness of normalized homeomorphic solutions to nonlinear Beltrami equations. Zbl 1251.35004Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Székelyhidi, László jun. 4 2012 Random conformal weldings. Zbl 1253.30032Astala, Kari; Jones, Peter; Kupiainen, Antti; Saksman, Eero 38 2011 Direct electrical impedance tomography for nonsmooth conductivities. Zbl 1237.78014Astala, Kari; Mueller, Jennifer L.; Päivärinta, Lassi; Perämäki, Allan; Siltanen, Samuli 11 2011 \(H^p\)-theory for quasiconformal mappings. Zbl 1248.30006Astala, Kari; Koskela, Pekka 8 2011 Deformations of annuli with smallest mean distortion. Zbl 1219.30011Astala, K.; Iwaniec, T.; Martin, G. 46 2010 Optimal regularity for planar mappings of finite distortion. Zbl 1191.30007Astala, Kari; Gill, James T.; Rohde, Steffen; Saksman, Eero 12 2010 Numerical computation of complex geometrical optics solutions to the conductivity equation. Zbl 1195.78077Astala, Kari; Mueller, Jennifer L.; Päivärinta, Lassi; Siltanen, Samuli 12 2010 Random curves by conformal welding. (Courbes aléatoires par soudure conforme.) Zbl 1190.30005Astala, Kari; Jones, Peter; Kupiainen, Antti; Saksman, Eero 6 2010 Elliptic partial differential equations and quasiconformal mappings in the plane. Zbl 1182.30001Astala, Kari; Iwaniec, Tadeusz; Martin, Gaven 327 2009 Homeomorphic solutions to reduced Beltrami equations. Zbl 1182.30027Astala, Kari; Jääskeläinen, Jarmo 5 2009 Convex integration and the \(L^p\) theory of elliptic equations. Zbl 1164.30014Astala, Kari; Faraco, Daniel; Székelyhidi, László jun. 20 2008 Distortion of Hausdorff measures and improved Painlevé removability for quasiregular mappings. Zbl 1140.30009Astala, K.; Clop, A.; Mateu, J.; Orobitg, J.; Uriarte-Tuero, I. 7 2008 Schottky’s theorem on conformal mappings between annuli: a play of derivatives and integrals. Zbl 1170.30003Astala, K.; Iwaniec, T.; Martin, G.; Onninen, J. 3 2008 Monotone maps of \(\mathbb{R}^n\) are quasiconformal. Zbl 1178.30025Astala, Kari; Iwaniec, Tadeusz; Martin, Gaven J. 1 2008 Calderón’s inverse conductivity problem in the plane. Zbl 1111.35004Astala, Kari; Päivärinta, Lassi 170 2006 A boundary integral equation for Calderón’s inverse conductivity problem. Zbl 1104.35068Astala, Kari; Päivärinta, Lassi 8 2006 Pucci’s conjecture and the Alexandrov inequality for elliptic PDEs in the plane. Zbl 1147.35021Astala, K.; Iwaniec, T.; Martin, G. 7 2006 Extremal mappings of finite distortion. Zbl 1089.30013Astala, K.; Iwaniec, T.; Martin, G. J.; Onninen, J. 68 2005 Calderóns’ inverse problem for anisotropic conductivity in the plane. Zbl 1129.35483Astala, Kari; Päivärinta, Lassi; Lassas, Matti 57 2005 Composites and quasiconformal mappings: new optimal bounds in two dimensions. Zbl 1106.74052Astala, Kari; Nesi, Vincenzo 12 2003 Quasiregular mappings and Young measures. Zbl 1016.30016Astala, Kari; Faraco, Daniel 16 2002 Quasiconformal mappings with Sobolev boundary values. Zbl 1170.30307Astala, Kari; Bonk, Mario; Heinonen, Juha 6 2002 Beltrami operators in the plane. Zbl 1009.30015Astala, Kari; Iwaniec, Tadeusz; Saksman, Eero 65 2001 Holomorphic motions. Zbl 1001.30020Astala, K.; Martin, G. J. 14 2001 Mappings of \(BMO\)-bounded distortion. Zbl 0954.30009Astala, Kari; Iwaniec, Tadeusz; Koskela, Pekka; Martin, Gaven 47 2000 Lempert applications and holomorphic motions in \({\mathbb C}^n\). Zbl 1044.32014Astala, Kari; Balogh, Zoltan; Reimann, Hans Martin 1 2000 Analytic aspects of quasiconformality. Zbl 0906.30019Astala, Kari 7 1998 On quasiconformal mappings and 2-dimensional \(G\)-closure problems. Zbl 0912.65106Astala, Kari; Miettinen, Markku 3 1998 Planar quasiconformal mappings; deformations and interactions. Zbl 0891.30011Astala, Kari 2 1998 Recent connections and applications of planar quasiconformal mappings. Zbl 0908.30019Astala, Kari 1 1998 The finite Hilbert transform in weighted spaces. Zbl 0886.46047Astala, Kari; Päivärinta, Lassi; Saksman, Eero 4 1996 Abelian coverings, Poincaré exponent of convergence and holomorphic deformations. Zbl 0820.30012Astala, K.; Zinsmeister, M. 3 1995 Rectifiability in Teichmüller theory. Zbl 0839.30049Astala, Kari; Zinsmeister, Michel 2 1995 Area distortion of quasiconformal mappings. Zbl 0815.30015Astala, Kari 134 1994 Holomorphic families of quasi-Fuchsian groups. Zbl 0801.30035Astala, K.; Zinsmeister, M. 7 1994 Lipschitz classes and the Hardy–Littlewood property. Zbl 0782.30002Astala, Kari; Hag, Kari; Hag, Per; Lappalainen, Vesa 3 1993 Teichmüller spaces and BMOA. Zbl 0896.30028Astala, Kari; Zinsmeister, Michel 62 1991 Quasiconformal mappings and global integrability of the derivative. Zbl 0772.30022Astala, Kari; Koskela, Pekka 24 1991 Seminorms related to weak compactness and to Tauberian operators. Zbl 0709.47009Astala, Kari; Tylli, Hans-Olav 25 1990 Mostow rigidity and Fuchsian groups. Zbl 0709.30039Astala, Kari; Zinsmeister, Michel 10 1990 Crickets, zippers, and the Bers universal Teichmüller space. Zbl 0711.30020Astala, K.; Gehring, F. W. 4 1990 Quasiharmonic analysis and BMO. Zbl 0743.30032Astala, Kari 2 1989 Selfsimilar zippers. Zbl 0658.30005Astala, Kari 6 1988 Calderón’s problem for Lipschitz classes and the dimension of quasicircles. Zbl 0703.30036Astala, Kari 5 1988 On quasiconformal rigidity in space and plane. Zbl 0633.30021Astala, K.; Heinonen, J. 4 1988 On the bounded compact approximation property and measures of noncompactness. Zbl 0614.46011Astala, Kari; Tylli, Hans-Olav 12 1987 Injectivity, the BMO norm and the universal Teichmüller space. Zbl 0628.30026Astala, K.; Gehring, F. W. 33 1986 On semi Fredholm operators and the Calkin algebra. Zbl 0585.47005Astala, Kari; Tylli, Hans-Olav 3 1986 Quasiconformal analogues of theorems of Koebe and Hardy-Littlewood. Zbl 0574.30027Astala, K.; Gehring, F. W. 28 1985 Injectivity criteria and the quasidisk. Zbl 0588.30022Astala, K.; Gehring, F. W. 2 1984 A remark on quasi-conformal mappings and BMO-functions. Zbl 0567.30016Astala, Kari 11 1983 On Peano’s theorem in locally convex spaces. Zbl 0507.34047Astala, Kari 6 1982 On measures of noncompactness and ideal variations in Banach spaces. Zbl 0426.47001Astala, Kari 21 1980 all cited Publications top 5 cited Publications all top 5 Cited by 1,021 Authors 39 Onninen, Jani 36 Iwaniec, Tadeusz 28 Koskela, Pekka 28 Ryazanov, Vladimir Il’ich 26 Kalaj, David 25 Astala, Kari 22 Lassas, Matti J. 21 Saksman, Eero 20 Martin, Gaven J. 20 Uhlmann, Gunther Alberto 16 Gutlyanskiĭ, Vladimir Ya. 15 Faraco, Daniel 15 Ukhlov, Alexander Dadar-Oolovich 14 Clop, Albert 14 Gol’dshtein, Vladimir Mikhailovich 14 Yang, Dachun 13 Tang, ShuAn 13 Wei, Huaying 12 Salimov, Ruslan Radikovich 11 Osękowski, Adam 11 Prause, István 11 Sbordone, Carlo 11 Yakubov, Eduard H. 10 Bañuelos, Rodrigo 10 Sevost’yanov, Yevgen Oleksandrovych 10 Siltanen, Samuli 10 Webb, Christian 9 Hencl, Stanislav 9 Huo, ShengJin 9 Koski, Aleksis 9 Kovalev, Leonid V. 9 Pchelintsev, Valery Anatol’evich 9 Shen, Yuliang 9 Zinsmeister, Michel 8 Balogh, Zoltán M. 8 Hyvönen, Nuutti 8 Jeribi, Aref 8 Kurylëv, Yaroslav Vadimovich 8 Taheri, Ali 8 Tylli, Hans-Olav 8 Uriarte-Tuero, Ignacio 7 Baratchart, Laurent 7 Imanuvilov, Oleg Yu. 7 Kupiainen, Antti 7 Nesi, Vincenzo 7 Salo, Mikko 7 Schiattarella, Roberta 7 Yamamoto, Masahiro 7 Zhu, Jianfeng 6 Alessandrini, Giovanni 6 Guo, Changyu 6 Harrach, Bastian 6 Jones, Peter Wilcox 6 Krichen, Bilel 6 Krupchyk, Katsiaryna 6 Leblond, Juliette 6 Moscariello, Gioconda 6 Mueller, Jennifer L. 6 Orobitg, Joan 6 Päivärinta, Lassi 6 Pankka, Pekka 6 Perry, Peter A. 6 Rohde, Steffen 6 Srebro, Uri 6 Sugawa, Toshiyuki 6 Székelyhidi, László jun. 6 Tzou, Leo 6 Volberg, Alexander Lvovich 5 Adamowicz, Tomasz 5 Bishop, Christopher James 5 Caro, Pedro 5 Chen, Shaolin 5 Daudé, Thierry 5 Farroni, Fernando 5 Fässler, Katrin S. 5 Feng, Xiaogao 5 Fyodorov, Yan V. 5 Garde, Henrik 5 Gill, James T. 5 Hitruhin, Lauri 5 Jin, Jianjun 5 Kamran, Niky 5 Lorent, Andrew 5 Morrison, George 5 Nesmelova, Ol’ga Vladimirovna 5 Nicoleau, François 5 Nolder, Craig A. 5 Pedregal, Pablo 5 Ponnusamy, Saminathan 5 Santacesaria, Matteo 5 Shi, Qingtian 5 Vuorinen, Matti Keijo Kustaa 5 Xu, Haiqing 5 Yang, Dongyong 5 Yuan, Wen 4 Bonk, Mario 4 Coffman, Adam 4 D’Onofrio, Luigi 4 Dragičević, Oliver 4 El Arwadi, Toufic ...and 921 more Authors all top 5 Cited in 231 Serials 40 Journal of Mathematical Analysis and Applications 37 Proceedings of the American Mathematical Society 36 Journal of Functional Analysis 32 Journal d’Analyse Mathématique 30 Calculus of Variations and Partial Differential Equations 27 Advances in Mathematics 25 The Journal of Geometric Analysis 24 Journal of Mathematical Sciences (New York) 22 Archive for Rational Mechanics and Analysis 22 Inverse Problems and Imaging 21 Transactions of the American Mathematical Society 16 Duke Mathematical Journal 16 Computational Methods and Function Theory 16 Complex Variables and Elliptic Equations 15 Communications in Mathematical Physics 15 Inverse Problems 14 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 14 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 14 Revista Matemática Iberoamericana 13 Annales Academiae Scientiarum Fennicae. Mathematica 12 Journal of Differential Equations 12 Communications in Partial Differential Equations 12 Journal de Mathématiques Pures et Appliquées. Neuvième Série 12 Potential Analysis 11 Israel Journal of Mathematics 11 Annales Fennici Mathematici 10 Mathematische Annalen 10 Conformal Geometry and Dynamics 10 Analysis and Mathematical Physics 9 Michigan Mathematical Journal 8 Mathematische Zeitschrift 8 Acta Mathematica Sinica. English Series 8 SIAM Journal on Imaging Sciences 8 Science China. Mathematics 7 Rocky Mountain Journal of Mathematics 7 Ukrainian Mathematical Journal 7 Annali di Matematica Pura ed Applicata. Serie Quarta 7 Archiv der Mathematik 7 Integral Equations and Operator Theory 7 Inventiones Mathematicae 7 Mathematische Nachrichten 7 Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Serie IX. Rendiconti Lincei. Matematica e Applicazioni 7 SIAM Journal on Mathematical Analysis 7 Journal of Inverse and Ill-Posed Problems 6 Bulletin of the Australian Mathematical Society 6 Acta Mathematica 6 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 6 Complex Analysis and Operator Theory 6 Advances in Calculus of Variations 5 Applicable Analysis 5 Journal of the European Mathematical Society (JEMS) 5 Complex Analysis and its Synergies 4 Annales de l’Institut Fourier 4 The Annals of Probability 4 Numerical Functional Analysis and Optimization 4 Numerische Mathematik 4 Siberian Mathematical Journal 4 Ergodic Theory and Dynamical Systems 4 The Annals of Applied Probability 4 Geometric and Functional Analysis. GAFA 4 Indagationes Mathematicae. New Series 4 Annales Henri Poincaré 4 Mediterranean Journal of Mathematics 4 Inverse Problems in Science and Engineering 4 Journal of Function Spaces 3 Journal of Computational Physics 3 Journal of Statistical Physics 3 Mathematical Methods in the Applied Sciences 3 Mathematical Notes 3 Mathematical Proceedings of the Cambridge Philosophical Society 3 Nonlinearity 3 Arkiv för Matematik 3 Mathematics of Computation 3 Canadian Mathematical Bulletin 3 Glasgow Mathematical Journal 3 Indiana University Mathematics Journal 3 Journal für die Reine und Angewandte Mathematik 3 Ricerche di Matematica 3 Tôhoku Mathematical Journal. Second Series 3 Probability Theory and Related Fields 3 Journal of the American Mathematical Society 3 Science in China. Series A 3 Bulletin of the American Mathematical Society. New Series 3 Expositiones Mathematicae 3 Annales de l’Institut Henri Poincaré. Probabilités et Statistiques 3 Journal of Nonlinear Science 3 St. Petersburg Mathematical Journal 3 Filomat 3 The Journal of Fourier Analysis and Applications 3 Communications in Contemporary Mathematics 3 Lobachevskii Journal of Mathematics 3 Acta Mathematica Scientia. Series B. (English Edition) 3 Comptes Rendus. Mathématique. Académie des Sciences, Paris 3 Communications on Pure and Applied Analysis 3 Central European Journal of Mathematics 3 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 3 Journal of Fixed Point Theory and Applications 3 Banach Journal of Mathematical Analysis 3 Analysis & PDE 3 Journal of Spectral Theory ...and 131 more Serials all top 5 Cited in 50 Fields 498 Functions of a complex variable (30-XX) 356 Partial differential equations (35-XX) 144 Functional analysis (46-XX) 109 Operator theory (47-XX) 95 Harmonic analysis on Euclidean spaces (42-XX) 81 Potential theory (31-XX) 68 Numerical analysis (65-XX) 67 Calculus of variations and optimal control; optimization (49-XX) 65 Probability theory and stochastic processes (60-XX) 54 Dynamical systems and ergodic theory (37-XX) 51 Real functions (26-XX) 51 Global analysis, analysis on manifolds (58-XX) 50 Several complex variables and analytic spaces (32-XX) 43 Optics, electromagnetic theory (78-XX) 34 Measure and integration (28-XX) 30 Mechanics of deformable solids (74-XX) 27 Differential geometry (53-XX) 20 Biology and other natural sciences (92-XX) 18 Quantum theory (81-XX) 14 Integral transforms, operational calculus (44-XX) 14 Integral equations (45-XX) 13 Ordinary differential equations (34-XX) 12 Linear and multilinear algebra; matrix theory (15-XX) 12 Information and communication theory, circuits (94-XX) 11 General topology (54-XX) 11 Manifolds and cell complexes (57-XX) 8 Statistical mechanics, structure of matter (82-XX) 7 Fluid mechanics (76-XX) 6 Approximations and expansions (41-XX) 6 Computer science (68-XX) 5 Group theory and generalizations (20-XX) 5 Special functions (33-XX) 5 Relativity and gravitational theory (83-XX) 4 Difference and functional equations (39-XX) 4 Geometry (51-XX) 4 Convex and discrete geometry (52-XX) 3 Combinatorics (05-XX) 3 Number theory (11-XX) 3 Geophysics (86-XX) 2 History and biography (01-XX) 2 Nonassociative rings and algebras (17-XX) 2 Statistics (62-XX) 2 Operations research, mathematical programming (90-XX) 2 Systems theory; control (93-XX) 1 Algebraic geometry (14-XX) 1 Topological groups, Lie groups (22-XX) 1 Sequences, series, summability (40-XX) 1 Abstract harmonic analysis (43-XX) 1 Mechanics of particles and systems (70-XX) 1 Classical thermodynamics, heat transfer (80-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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