Pekka Koskela

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All published works

Action	Title	Year	Authors
+ PDF Chat	Limits at infinity for functions in fractional Sobolev spaces	2025	A. K. Agarwal Pekka Koskela Kaushik Mohanta
+	Conformal Composition for Borderline Fractional Sobolev Spaces	2025	Nijjwal Karak Pekka Koskela Debanjan Nandi Swadesh Kumar Sahoo
+ PDF Chat	Sobolev Versus Homogeneous Sobolev Extension	2024	Pekka Koskela Riddhi Mishra Zheng Zhu
+	Homeomorphic Sobolev extensions of parametrizations of Jordan curves	2024	Ondrěj Bouchala Jarmo Jääskeläinen Pekka Koskela Haiqing Xu Xilin Zhou
+ PDF Chat	The volume of the boundary of a Sobolev $(p,q)$-extension domain II	2024	Pekka Koskela Riddhi Mishra
+ PDF Chat	Homeomorphic Sobolev extensions of parametrizations of Jordan curves	2024	Ondrěj Bouchala Jarmo Jääskeläinen Pekka Koskela Haiqing Xu Xilin Zhou
+	Sobolev Extensions over Cantor-Cuspidal Graphs	2024	Pekka Koskela Zheng Zhu
+	Characterizations of generalized John domains via homological bounded turning	2024	Paweł Goldstein Zofia Grochulska Chang‐Yu Guo Pekka Koskela Debanjan Nandi
+ PDF Chat	Existence and uniqueness of limits at infinity for homogeneous Sobolev functions	2023	Pekka Koskela Khanh Nguyen
+	Existence of quasiconformal mappings in a given Hardy space	2023	Ondrěj Bouchala Pekka Koskela
+	Large-scale behaviour of Sobolev functions in Ahlfors regular metric measure spaces	2023	Josh Kline Pekka Koskela Khanh Nguyen
+	Sobolev extensions over Cantor-cuspidal graphs	2023	Pekka Koskela Zheng Zhu
+ PDF Chat	Sobolev Extensions Via Reflections	2022	Pekka Koskela Zheng Zhu
+ PDF Chat	The volume of the boundary of a Sobolev (p,q)-extension domain	2022	Pekka Koskela Alexander Ukhlov Zheng Zhu
+	On limits at infinity of weighted Sobolev functions	2022	Sylvester Eriksson‐Bique Pekka Koskela Khanh Ngoc Nguyen
+ PDF Chat	Weighted Hardy Spaces of Quasiconformal Mappings	2022	Sita Benedict Pekka Koskela Xining Li
+	Existence and uniqueness of limits at infinity for homogeneous Sobolev functions	2022	Pekka Koskela Khanh Nguyen
+	On Limits at Infinity of Weighted Sobolev Functions	2022	Sylvester Eriksson‐Bique Khanh Nguyen Pekka Koskela
+ PDF Chat	Trace and Density Results on Regular Trees	2021	Pekka Koskela Khanh Ngoc Nguyen Zhuang Wang
+	The extension property for domains with one singular point	2021	Pekka Koskela Zheng Zhu
+ PDF Chat	Pointwise Inequalities for Sobolev Functions on Outward Cuspidal Domains	2020	Sylvester Eriksson‐Bique Pekka Koskela Jan Malý Zheng Zhu
+	Sobolev homeomorphic extensions onto John domains	2020	Pekka Koskela Aleksis Koski Jani Onninen
+	Sobolev homeomorphic extensions onto John domains	2020	Pekka Koskela Aleksis Koski Jani Onninen
+ PDF Chat	Product of extension domains is still an extension domain	2020	Pekka Koskela Zheng Zhu
+ PDF Chat	Trace Operators on Regular Trees	2020	Pekka Koskela Khanh Ngoc Nguyen Zhuang Wang
+	Sobolev homeomorphic extensions onto John domains	2020	Pekka Koskela Aleksis Koski Jani Onninen
+	The volume of the boundary of a Sobolev $(p,q)$-extension domain	2020	Pekka Koskela Alexander Ukhlov Zheng Zhu
+	Ahlfors reflection theorem for $p$-morphisms.	2019	Pekka Koskela Pekka Pankka Yi Ru‐Ya Zhang
+	Trace and density results on regular trees	2019	Pekka Koskela Khanh Ngoc Nguyen Zhuang Wang
+ PDF Chat	Dyadic Norm Besov-Type Spaces as Trace Spaces on Regular Trees	2019	Pekka Koskela Zhuang Wang
+	Gradient estimates for heat kernels and harmonic functions	2019	Thierry Coulhon Renjin Jiang Pekka Koskela Adam Sikora
+	Weighted Hardy Spaces of Quasiconformal Mappings	2019	Sita Benedict Pekka Koskela Xining Li
+	Ahlfors reflection theorem for $p$-morphisms	2019	Pekka Koskela Pekka Pankka Yi Ru‐Ya Zhang
+ PDF Chat	Regularity and modulus of continuity of space-filling curves	2018	Aapo Kauranen Pekka Koskela Aleksandra Zapadinskaya
+ PDF Chat	Uniformizing Gromov hyperbolic spaces	2018	Mario Bonk Juha Heinonen Pekka Koskela
+ PDF Chat	Controlled diffeomorphic extension of homeomorphisms	2018	Pekka Koskela Zhuang Wang Haiqing Xu
+	Product of extension domains is still an extension domain	2018	Pekka Koskela Zheng Zhu
+	Sobolev extension via reflections	2018	Pekka Koskela ZhengZhu
+ PDF Chat	Accessible parts of boundary for simply connected domains	2017	Pekka Koskela Debanjan Nandi Artur Nicolau
+	Characterizations of generalized John domains in $\mathbb{R}^n$ via metric duality	2017	Paweł Goldstein Chang‐Yu Guo Pekka Koskela Debanjan Nandi
+ PDF Chat	Traces of weighted function spaces: Dyadic norms and Whitney extensions	2017	Pekka Koskela Tomás Soto Zhuang Wang
+	Accessible Parts of Boundary for Simply Connected Domains	2017	Pekka Koskela Debanjan Nandi Artur Nicolau
+ PDF Chat	A quasiconformal composition problem for the $Q$-spaces	2017	Pekka Koskela Jie Xiao Yi Ru‐Ya Zhang Yuan Zhou
+	Gradient estimates for heat kernels and harmonic functions	2017	Thierry Coulhon Renjin Jiang Pekka Koskela Adam Sikora
+	Sharpness of uniform continuity of quasiconformal mappings onto s-John domains	2017	Chang‐Yu Guo Pekka Koskela
+	Traces of weighted function spaces: dyadic norms and Whitney extensions	2017	Pekka Koskela Tomás Soto Zhuang Wang
+	Characterizations of generalized John domains in $\mathbb{R}^n$ via metric duality	2017	Paweł Goldstein Zofia Grochulska Chang‐Yu Guo Pekka Koskela Debanjan Nandi
+	Accessible Parts of Boundary for Simply Connected Domains	2017	Pekka Koskela Debanjan Nandi Artur Nicolau
+	Gradient estimates for heat kernels and harmonic functions	2017	Thierry Coulhon Renjin Jiang Pekka Koskela Adam Sikora
+ PDF Chat	Approximation and quasicontinuity of Besov and Triebel–Lizorkin functions	2016	Toni Heikkinen Pekka Koskela Heli Tuominen
+ PDF Chat	A density problem for Sobolev spaces on Gromov hyperbolic domains	2016	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+ PDF Chat	Morrey–Sobolev Extension Domains	2016	Pekka Koskela Yi Ru‐Ya Zhang Yuan Zhou
+	A density problem for Sobolev spaces on Gromov hyperbolic domains	2016	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+ PDF Chat	A Density Problem for Sobolev Spaces on Planar Domains	2016	Pekka Koskela Yi Ru‐Ya Zhang
+	A quasiconformal composition problem for the Q-spaces	2016	Pekka Koskela Jie Xiao Yi Ru‐Ya Zhang Yuan Zhou
+	A density problem for Sobolev spaces on Gromov hyperbolic domains	2016	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+ PDF Chat	Capacities and Hausdorff measures on metric spaces	2015	Nijjwal Karak Pekka Koskela
+	Approximation and quasicontinuity of Besov and Triebel-Lizorkin functions	2015	Toni Heikkinen Pekka Koskela Heli Tuominen
+ PDF Chat	Lebesgue points via the Poincaré inequality	2015	Nijjwal Karak Pekka Koskela
+	A geometric characterization of planar Sobolev extension domains	2015	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+	A geometric characterization of planar Sobolev extension domains (Long Version)	2015	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+	An introduction to Cheeger's differentiation theory	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Consequences of Poincaré inequalities	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Gromov–Hausdorff convergence and Poincaré inequalities	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Other definitions of Sobolev-type spaces	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Self-improvement of Poincaré inequalities	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Lipschitz functions and embeddings	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Path integrals and modulus	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Lebesgue theory of Banach space-valued functions	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Poincaré inequalities	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Sobolev spaces	2015	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Preface	2015	Juha Heinonen Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Sobolev Spaces on Metric Measure Spaces	2015	Juha Heinonen Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Sobolev Spaces on Metric Measure Spaces: An Approach Based on Upper Gradients	2015	Juha Heinonen Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Dimension gap under Sobolev mappings	2015	Pekka Koskela Aleksandra Zapadinskaya
+	Lattice property of $p$-admissible weights	2015	Tero Kilpeläinen Pekka Koskela Hiroaki Masaoka
+	A geometric characterization of planar Sobolev extension domains	2015	Pekka Koskela Tapio Rajala Yi Ru‐Ya Zhang
+	Approximation and quasicontinuity of Besov and Triebel-Lizorkin functions	2015	Toni Heikkinen Pekka Koskela Heli Tuominen
+ PDF Chat	Boundary blow-up under Sobolev mappings	2014	Aapo Kauranen Pekka Koskela
+ PDF Chat	Intrinsic Hardy-Orlicz spaces of conformal mappings	2014	Pekka Koskela Sita Benedict
+	Generalized dimension estimates for images of porous sets under monotone Sobolev mappings	2014	Pekka Koskela Aleksandra Zapadinskaya
+ PDF Chat	Nonexistence of Quasiconformal Maps Between Certain Metric Measure Spaces	2014	Katrin Fässler Pekka Koskela Enrico Le Donne
+	Capacities and Hausdorff measures on metric spaces	2014	Nijjwal Karak Pekka Koskela
+	Lebesgue points via the Poincar\'e inequality	2014	Nijjwal Karak Pekka Koskela
+	Geometry and analysis of Dirichlet forms (II)	2014	Pekka Koskela Nageswari Shanmugalingam Yuan Zhou
+ PDF Chat	Intrinsic Geometry and Analysis of Diffusion Processes and L ∞-Variational Problems	2014	Pekka Koskela Nageswari Shanmugalingam Yuan Zhou
+ PDF Chat	Luzin's condition (N) and modulus of continuity	2014	Pekka Koskela Jan Malý Thomas Zürcher
+ PDF Chat	Solvability of the divergence equation implies John via Poincaré inequality	2014	Renjin Jiang Aapo Kauranen Pekka Koskela
+ PDF Chat	Bounded compositions on scaling invariant Besov spaces	2014	Herbert Koch Pekka Koskela Eero Saksman Tomás Soto
+	Gromov hyperbolicity and quasihyperbolic geodesics	2014	Pekka Koskela Päivi Lammi Vesna Manojlović
+	Sharpness of uniform continuity of quasiconformal mappings onto s-John domains	2014	Chang‐Yu Guo Pekka Koskela
+	Capacities and Hausdorff measures on metric spaces	2014	Nijjwal Karak Pekka Koskela
+	Lebesgue points via the Poincaré inequality	2014	Nijjwal Karak Pekka Koskela
+ PDF Chat	Generalized quasidisks and conformality	2013	Chao‐Yu Guo Pekka Koskela Juhani Takkinen
+	Nonexistence of quasiconformal maps between certain metric measure spaces	2013	Katrin Fässler Pekka Koskela Enrico Le Donne
+	Images and Preimages of Null Sets	2013	Stanislav Hencl Pekka Koskela
+	Integrability of J f and 1∕J f	2013	Stanislav Hencl Pekka Koskela
+	Homeomorphisms of Finite Distortion	2013	Stanislav Hencl Pekka Koskela
+	Final Comments	2013	Stanislav Hencl Pekka Koskela
+	Introduction	2013	Stanislav Hencl Pekka Koskela
+	Continuity	2013	Stanislav Hencl Pekka Koskela
+	Openness and Discreteness	2013	Stanislav Hencl Pekka Koskela
+ PDF Chat	Generalized John disks	2013	Chang‐Yu Guo Pekka Koskela
+	Luzin's Condition (N) and Modulus of Continuity	2013	Pekka Koskela Jan Malý Thomas Zürcher
+	Examples of harmonic Hardy-Orlicz spaces on the plane with finitely many punctures (Potential Theory and its Related Fields)	2013	Tero Kilpeläinen Pekka Koskela Hiroaki Masaoka
+	Isoperimetric inequality via Lipschitz regularity of Cheeger-harmonic functions	2013	Renjin Jiang Pekka Koskela Dachun Yang
+	Harmonic Hardy-Orlicz spaces	2013	Tero Kilpeläinen Pekka Koskela Hiroaki Masaoka
+ PDF Chat	Gehring–Hayman Theorem for conformal deformations	2013	Pekka Koskela Päivi Lammi
+	Solvability of the divergence equation implies John via Poincaré inequality	2013	Renjin Jiang Aapo Kauranen Pekka Koskela
+	Intrinsic Geometry and Analysis of Diffusion Processes and $L^\infty$-Variational Problems	2013	Pekka Koskela Nageswari Shanmugalingam Yuan Zhou
+	Luzin's Condition (N) and Modulus of Continuity	2013	Pekka Koskela Jan Malý Thomas Zürcher
+	Nonexistence of quasiconformal maps between certain metric measure spaces	2013	Katrin Fässler Pekka Koskela Enrico Le Donne
+ PDF Chat	Luzin’s condition (N) and Sobolev mappings	2012	Pekka Koskela Jan Malý Thomas Zürcher
+	Bounded compositions on scaling invariant Besov spaces	2012	Herbert Koch Pekka Koskela Eero Saksman Tomás Soto
+ PDF Chat	Geometry and analysis of Dirichlet forms	2012	Pekka Koskela Yuan Zhou
+	Isoperimetric inequality from the poisson equation via curvature	2012	Renjin Jiang Pekka Koskela
+	Composition of quasiconformal mappings and functions in Triebel‐Lizorkin spaces	2012	Stanislav Hencl Pekka Koskela
+	Dimension gap under conformal mappings	2012	Stanislav Hencl Pekka Koskela Tomi Nieminen
+	Gromov hyperbolicity and quasihyperbolic geodesics	2012	Pekka Koskela Päivi Lammi Vesna Manojlović
+	Geometry and Analysis of Dirichlet forms	2012	Pekka Koskela Yuan Zhou
+ PDF Chat	$L^∞$-variational problem associated to Dirichlet forms	2012	Pekka Koskela Nageswari Shanmugalingam Yuan Zhou
+	Analytic Properties of Quasiconformal Mappings Between Metric Spaces	2012	Pekka Koskela Kevin Wildrick
+	Bounded compositions on scaling invariant Besov spaces	2012	Herbert Koch Pekka Koskela Eero Saksman Tomás Soto
+	Gromov hyperbolicity and quasihyperbolic geodesics	2012	Pekka Koskela Päivi Lammi Vesna Manojlović
+	Continuity of solutions to n-harmonic equations	2011	Renjin Jiang Pekka Koskela Dachun Yang
+	Quasi-Nearly Subharmonic Functions and Quasiconformal Mappings	2011	Pekka Koskela Vesna Manojlović
+ PDF Chat	Characterizations of Besov and Triebel–Lizorkin spaces on metric measure spaces	2011	Амиран Гогатишвили Pekka Koskela Yuan Zhou
+	Mappings of Finite Distortion: Decay of the Jacobian	2011	Pekka Koskela Jani Onninen Kai Rajala
+	Regularity of the Inverse of a Sobolev Homeomorphism	2011	Pekka Koskela
+	Quasi-nearly subharmonic functions and quasiconformal mappings	2011	Pekka Koskela Vesna Manojlović
+	Characterizations of Besov and Triebel-Lizorkin Spaces on Metric Measure Spaces	2011	Амиран Гогатишвили Pekka Koskela Yuan Zhou
+ PDF Chat	H<sup>p</sup>-theory for Quasiconformal Mappings	2011	Kari Astala Pekka Koskela
+	Quasi-nearly subharmonic functions and quasiconformal mappings	2011	Pekka Koskela Vesna Manojlović
+	Planar Mappings of Finite Distortion	2010	Pekka Koskela
+ PDF Chat	Pointwise characterizations of Besov and Triebel–Lizorkin spaces and quasiconformal mappings	2010	Pekka Koskela Dachun Yang Yuan Zhou
+	A note to “Mappings of finite distortion: formation of cusps II”	2010	Pekka Koskela Juhani Takkinen
+ PDF Chat	Mappings of finite distortion: Formation of cusps III	2010	Pekka Koskela Juhani Takkinen
+ PDF Chat	Mappings of Finite Distortion: Generalized Hausdorff Dimension Distortion	2010	Pekka Koskela Aleksandra Zapadinskaya Thomas Zürcher
+ PDF Chat	A Jordan Sobolev extension domain	2010	Pekka Koskela Dachun Yang Yuan Zhou
+	Interpolation properties of Besov spaces defined on metric spaces	2010	Амиран Гогатишвили Pekka Koskela Nageswari Shanmugalingam
+	Pointwise Characterizations of Besov and Triebel-Lizorkin Spaces and Quasiconformal Mappings	2010	Pekka Koskela Dachun Yang Yuan Zhou
+ PDF Chat	Orlicz–Sobolev regularity of mappings with subexponentially integrable distortion	2009	Albert Clop Pekka Koskela
+ PDF Chat	A characterization of Hajłasz–Sobolev and Triebel–Lizorkin spaces via grand Littlewood–Paley functions	2009	Pekka Koskela Dachun Yang Yuan Zhou
+	Geometric Properties of Planar BV -Extension Domains	2009	Pekka Koskela Michele Miranda Nageswari Shanmugalingam
+ PDF Chat	Generalized dimension distortion under planar Sobolev homeomorphisms	2009	Pekka Koskela Aleksandra Zapadinskaya Thomas Zürcher
+	Weighted pointwise Hardy inequalities	2009	Pekka Koskela Juha Lehrbäck
+	Lectures on quasiconformal and quasisymmetric mappings	2009	Pekka Koskela
+	A Characterization of Hajłasz-Sobolev and Triebel-Lizorkin Spaces via Grand Littlewood-Paley Functions	2009	Pekka Koskela Dachun Yang Yuan Zhou
+ PDF Chat	Measure density and extendability of Sobolev functions	2008	Piotr Hajłasz Pekka Koskela Heli Tuominen
+	Errata to: Exceptional Sets for Quasiconformal Mappings in General Metric Spaces	2008	Pekka Koskela Kevin Wildrick
+	Sobolev embeddings, extensions and measure density condition	2008	Piotr Hajłasz Pekka Koskela Heli Tuominen
+	Uniform continuity of quasiconformal mappings and conformal deformations	2008	Pekka Koskela Tomi Nieminen
+ PDF Chat	Pointwise characterizations of Hardy-Sobolev functions	2008	Pekka Koskela Eero Saksman
+ PDF Chat	Homeomorphisms of finite distortion: discrete length of radial images	2008	Pekka Koskela Tomi Nieminen
+	Mappings of finite distortion: decay of the Jacobian in the plane	2008	Pekka Koskela Jani Onninen
+	Exceptional Sets for Quasiconformal Mappings in General Metric Spaces	2008	Pekka Koskela Kevin Wildrick
+	MAPPINGS OF FINITE DISTORTION : COMPOSITION OPERATOR	2008	Stanislav Hencl Pekka Koskela
+	Homeomorphisms of Bounded Variation	2007	Stanislav Hencl Pekka Koskela Jani Onninen
+ PDF Chat	Mappings of finite distortion: Reverse inequalities for the Jacobian	2007	Stanislav Hencl Pekka Koskela Xiao Zhong
+ PDF Chat	Absolute Continuity of Quasiconformal Mappings on Curves	2007	Zoltán M. Balogh Pekka Koskela Sari Rogovin
+ PDF Chat	Quasihyperbolic growth conditions and compact embeddings of Sobolev spaces	2007	Pekka Koskela Juha Lehrbäck
+ PDF Chat	Sobolev-type spaces from generalized Poincaré inequalities	2007	Toni Heikkinen Pekka Koskela Heli Tuominen
+	Regularity of the inverse of a Sobolev homeomorphism in space	2006	Stanislav Hencl Pekka Koskela Jan Malý
+	Mappings of finite distortion: Capacity and modulus inequalities	2006	Pekka Koskela Jani Onninen
+	Pointwise characterizations of Hardy-Sobolev functions	2006	Pekka Koskela Eero Saksman
+	Quasihyperbolic boundary conditions and capacity: Uniform continuity of quasiconformal mappings	2005	Stanislav Hencl Pekka Koskela
+ PDF Chat	Ends of metric measure spaces and Sobolev inequalities	2005	Stephen M. Buckley Pekka Koskela
+ PDF Chat	Regularity of the Inverse of a Planar Sobolev Homeomorphism	2005	Stanislav Hencl Pekka Koskela
+ PDF Chat	Mappings of finite distortion: discreteness and openness for quasi-light mappings	2005	Pekka Koskela Stanislav Hencl
+ PDF Chat	A non-doubling Trudinger inequality	2005	Амиран Гогатишвили Pekka Koskela
+ PDF Chat	A Note on Extremal Mappings of Finite Distortion	2005	Stanislav Hencl Pekka Koskela Jani Onninen
+	Quasiconformal removability and the quasihyperbolic metric	2005	Pekka Koskela Tomi Nieminen
+	Geometric Interpretations of LP-Poincar� Inequalities on Graphs with Polynomial Volume Growth	2004	Thierry Coulhon Pekka Koskela
+ PDF Chat	Orlicz-Hardy inequalities	2004	Stephen M. Buckley Pekka Koskela
+	Dirichlet Forms, Poincaré Inequalities, and the Sobolev Spaces of Korevaar and Schoen	2004	Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Mappings of finite distortion: the degree of regularity	2004	Daniel Faraco Pekka Koskela Xiao Zhong
+	Formation of cracks under deformations with finite energy	2004	Piotr Hajłasz Pekka Koskela
+ PDF Chat	Mappings of finite distortion: Sharp Orlicz-conditions	2003	Janne Kauhanen Pekka Koskela Jan Malý Jani Onninen Xiao Zhong
+ PDF Chat	Mappings of finite distortion: Removable singularities	2003	Pekka Koskela Kai Rajala
+ PDF Chat	Mappings of finite distortion: gauge dimension of generalized quasicircles	2003	David A. Herron Pekka Koskela
+	PATHWISE CONNECTIVITY OF A CONFORMAL BOUNDARY	2003	Pekka Koskela Timo Tossavainen
+ PDF Chat	Mappings of finite distortion: The zero set of the Jacobian	2003	Pekka Koskela Jan Malý
+	Metric definition of μ-homeomorphisms	2003	Sari Kallunki Pekka Koskela
+	Lipschitz continuity of Cheeger-harmonic functions in metric measure spaces	2003	Pekka Koskela Kai Rajala Nageswari Shanmugalingam
+	Sharp inequalities via truncation	2003	Pekka Koskela Jani Onninen
+	MAPPINGS OF FINITE DISTORTION: $L^n \log^{\alpha} L$ -INTEGRABILITY	2003	Tadeusz Iwaniec Pekka Koskela Gaven Martin Carlo Sbordone
+	Mappings of finite distortion: The sharp modulus of continuity	2003	Pekka Koskela Jani Onninen
+ PDF Chat	Distributional inequalities for non-harmonic functions	2003	María José González Pekka Koskela José G. Llorente Artur Nicolau
+	Metric Sobolev spaces	2003	Pekka Koskela
+	Mappings of finite distortion: Compactness.	2002	Tadeusz Iwaniec Pekka Koskela Jani Onninen
+	Conformal metrics and size of the boundary	2002	Mario Bonk Pekka Koskela
+	Mappings ofBMO-distortion and beltrami-type operators	2002	Tadeusz Iwaniec Pekka Koskela Gaven Martin
+	GEOMETRIC FUNCTION THEORY AND NON-LINEAR ANALYSIS (Oxford Mathematical Monographs)	2002	Pekka Koskela
+	Quasihyperbolic boundary conditions and Poincaré domains	2002	Pekka Koskela Jani Onninen Jeremy T. Tyson
+ PDF Chat	Hardy’s inequality and the boundary size	2002	Pekka Koskela Xiao Zhong
+	Mappings of finite distortion: Injectivity radius of a local homeomorphism	2002	Pekka Koskela Jani Onninen Kai Rajala
+	GEOMETRIC FUNCTION THEORY AND NON-LINEAR ANALYSIS (Oxford Mathematical Monographs) By TADEUSZ IWANIEC and GAVEN MARTIN: 552 pp., £75.00, ISBN 0-19-85029-4 (Oxford University Press, 2001)	2002	Pekka Koskela
+	Sobolev classes of Banach space-valued functions and quasiconformal mappings	2001	Uha Heinonen Pekka Koskela Nageswari Shanmugalingam Jeremy T. Tyson
+	Mappings of Finite Distortion:¶Discreteness and Openness	2001	Janne Kauhanen Pekka Koskela Jan Malý
+	Radial growth of solutions to the poisson equation	2001	María José González Pekka Koskela
+ PDF Chat	Boundary behavior of quasi-regular maps and the isodiametric profile	2001	Bruce Hanson Pekka Koskela Marc Troyanov
+ PDF Chat	Quasihyperbolic boundary conditions and capacity: Hölder continuity of quasiconformal mappings	2001	Pekka Koskela Jani Onninen Jeremy T. Tyson
+	Mappings of finite distortion: Monotonicity and continuity	2001	Tadeusz Iwaniec Pekka Koskela Jani Onninen
+ PDF Chat	Volume growth and parabolicity	2001	Ilkka Holopainen Pekka Koskela
+	Sobolev Spaces and Quasiconformal Mappings on Metric Spaces	2001	Pekka Koskela
+	Mappings of BMO–bounded distortion	2000	Kari Astala Tadeusz Iwaniec Pekka Koskela Gaven Martin
+	Exceptional sets for the definition of quasiconformality	2000	Sari Kallunki Pekka Koskela
+	Quasiconformality, quasisymmetry, and removability in Loewner spaces. Appendice par Jussi Väisälä	2000	Zoltán M. Balogh Pekka Koskela
+ PDF Chat	Removable sets for the poincare inequality on metric spaces	2000	Pekka Koskela Nageswari Shanmugalingam Heli Tuominen
+ PDF Chat	Removable sets for Sobolev spaces	1999	Pekka Koskela
+	On functions with derivatives in a Lorentz space	1999	Janne Kauhanen Pekka Koskela Jan Malý
+ PDF Chat	Fractional integration, differentiation, and weighted Bergman spaces	1999	Stephen M. Buckley Pekka Koskela Dragan Vukotić
+ PDF Chat	Definitions of Sobolev classes on metric spaces	1999	Bruno Franchi Piotr Hajłasz Pekka Koskela
+	Extensions and Imbeddings	1998	Pekka Koskela
+	Conformal Metrics on the Unit Ball in Euclidean Space	1998	Mario Bonk Pekka Koskela Steffen Rohde
+ PDF Chat	Isoperimetric Inequalities and Imbedding Theorems in Irregular Domains	1998	Piotr Hajłasz Pekka Koskela
+	Old and New on the Quasihyperbolic Metric	1998	Pekka Koskela
+	New Poincaré inequalities from old.	1998	Stephen M. Buckley Pekka Koskela
+ PDF Chat	Quasiconformal maps in metric spaces with controlled geometry	1998	Juha Heinonen Pekka Koskela
+	Quasiconformal mappings and Sobolev spaces	1998	Pekka Koskela Paul MacManus
+ PDF Chat	Hausdorff Dimension and mean porosity	1997	Pekka Koskela Steffen Rohde
+	None	1997	David A. Herron Pekka Koskela
+ PDF Chat	Poincaré inequalities and Steiner symmetrization	1996	Pekka Koskela Alexander Stanoyevitch
+	Normal solutions of elliptic equations	1996	Pekka Koskela
+ PDF Chat	From local to global in quasiconformal structures.	1996	Juha Heinonen Pekka Koskela
+ PDF Chat	Regularity theory and traces of 𝒜-harmonic functions	1996	Pekka Koskela Juan J. Manfredi Enrique Villamor
+ PDF Chat	Conformal capacity and the quasihyperbolic metric	1996	David A. Herron Pekka Koskela
+	None	1996	Stephen M. Buckley Pekka Koskela
+	Boman equals John	1996	Stephen M. Buckley Pekka Koskela Guo Zhen Lu
+ PDF Chat	Definitions of quasiconformality	1995	Juha Heinonen Pekka Koskela
+ PDF Chat	Weighted Sobolev and Poincaré Inequalities and Quasiregular Mappings of Polynomial Type.	1995	Juha Heinonen Pekka Koskela
+	Poincaré domains and quasiconformal mappings	1995	David A. Herron Pekka Koskela
+ PDF Chat	A Radial Uniqueness Theorem for Sobolev Functions	1995	Pekka Koskela
+ PDF Chat	Subelliptic Poincaré inequalities: The case $p < 1$	1995	Stephen M. Buckley Pekka Koskela G. Lu
+ PDF Chat	Sobolev-Poincaré implies John	1995	Stephen M. Buckley Pekka Koskela
+	On the fusion problem for degenerate elliptic equations	1995	Tero Kilpeläinen Pekka Koskela Олли Мартио
+	POINCARI~ DOMAINS AND QUASICONFORMAL MAPPINGS t)	1995	David A. Herron Pekka Koskela
+ PDF Chat	The Degree of Regularity of a Quasiconformal Mapping	1994	Pekka Koskela
+	Global integrability of the gradients of solutions to partial differential equations	1994	Tero Kilpeläinen Pekka Koskela
+ PDF Chat	The boundary distortion of a quasiconformal mapping	1994	Juha Heinonen Pekka Koskela
+	The radial behavior of a quasiconformal mapping	1994	Pekka Koskela
+ PDF Chat	An inverse Sobolev lemma	1994	Pekka Koskela
+	A ∞ -Condition for the Jacobian of a Quasi-Conformal Mapping	1994	Juha Heinonen Pekka Koskela
+ PDF Chat	𝐴_{∞}-condition for the Jacobian of a quasiconformal mapping	1994	Juha Heinonen Pekka Koskela
+ PDF Chat	The degree of regularity of a quasiconformal mapping	1994	Pekka Koskela
+	Sobolev-Poincaré inequalities for p < 1	1994	Stephen M. Buckley Pekka Koskela
+ PDF Chat	Removability theorems for solutions of degenerate elliptic partial differential equations	1993	Pekka Koskela Олли Мартио
+	Hölder continuity of Sobolev functions and quasiconformal mappings	1993	Pekka Koskela Fernando Reitich
+	Removable singularities for analytic functions.	1993	Pekka Koskela
+ PDF Chat	Sobolev mappings with integrable dilatations	1993	Juha Heinonen Pekka Koskela
+ PDF Chat	Uniform and Sobolev Extension Domains	1992	David A. Herron Pekka Koskela
+ PDF Chat	Uniform and Sobolev extension domains	1992	David A. Herron Pekka Koskela
+	Quasiconformal mappings and global integrability of the derivative	1991	Kari Astala Pekka Koskela
+	Uniform, Sobolev extension and quasiconformal circle domains	1991	David A. Herron Pekka Koskela
+	Higher integrability and the boundary dimension	1991	Bruce Hanson Pekka Koskela
+	Quasiextremal distance domains and conformal mappings onto circle domains	1990	David A. Herron Pekka Koskela

Common Coauthors

Coauthor	Papers Together
Nageswari Shanmugalingam	23
Stanislav Hencl	17
Jeremy T. Tyson	17
Jani Onninen	16
Yuan Zhou	15
Yi Ru‐Ya Zhang	12
Juha Heinonen	12
Jan Malý	10
Stephen M. Buckley	9
David A. Herron	9
Zheng Zhu	8
Renjin Jiang	8
Debanjan Nandi	7
Heli Tuominen	7
Nijjwal Karak	7
Dachun Yang	7
Tapio Rajala	6
Chang‐Yu Guo	6
Vesna Manojlović	6
Thomas Zürcher	5
Tadeusz Iwaniec	5
Tomás Soto	5
Aleksandra Zapadinskaya	5
Eero Saksman	5
Tero Kilpeläinen	5
Piotr Hajłasz	5
Khanh Nguyen	4
Tomi Nieminen	4
Khanh Ngoc Nguyen	4
Aapo Kauranen	4
Toni Heikkinen	4
Thierry Coulhon	4
Zhuang Wang	4
Xiao Zhong	4
Амиран Гогатишвили	4
Kai Rajala	4
Artur Nicolau	4
Päivi Lammi	4
Sita Benedict	3
Haiqing Xu	3
Sylvester Eriksson‐Bique	3
Kevin Wildrick	3
Aleksis Koski	3
Juhani Takkinen	3
Adam Sikora	3
Mario Bonk	3
Herbert Koch	3
Janne Kauhanen	3
Gaven Martin	3
Katrin Fässler	3

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	Quasiconformal maps in metric spaces with controlled geometry	1998	Juha Heinonen Pekka Koskela	62
+ PDF Chat	Lectures on n-Dimensional Quasiconformal Mappings	1971	Jussi Väısälä	41
+	Singular Integrals and Differentiability Properties of Functions.	1971	Elias M. Stein	34
+	Nonlinear Potential Theory of Degenerate Elliptic Equations	2018	Juha Heinonen Tero Kilpeläinen Олли Мартио	33
+	Geometric Function Theory and Non-linear Analysis	2001	Tadeusz Iwaniec Gaven Martin	31
+	Weakly Differentiable Functions	1989	William P. Ziemer	30
+ PDF Chat	Newtonian spaces: An extension of Sobolev spaces to metric measure spaces	2000	Nageswari Shanmugalingam	29
+	Measure Theory and Fine Properties of Functions	2018	Lawrence C. Evans Ronald F. Garzepy	28
+	Mappings of finite distortion: Monotonicity and continuity	2001	Tadeusz Iwaniec Pekka Koskela Jani Onninen	24
+	Differentiability of Lipschitz Functions on Metric Measure Spaces	1999	Jeff Cheeger	23
+ PDF Chat	On mappings with integrable dilatation	1993	Tadeusz Iwaniec Vladimír Šverák	22
+	Mappings of BMO–bounded distortion	2000	Kari Astala Tadeusz Iwaniec Pekka Koskela Gaven Martin	22
+ PDF Chat	Mappings of finite distortion: The zero set of the Jacobian	2003	Pekka Koskela Jan Malý	22
+	Mappings of Finite Distortion:¶Discreteness and Openness	2001	Janne Kauhanen Pekka Koskela Jan Malý	21
+	Geometric Measure Theory	1988	Herbert Fédérer	21
+ PDF Chat	Injectivity theorems in plane and space	1979	Олли Мартио Jukka Sarvas	21
+	Quasiconformal mappings and Sobolev spaces	1998	Pekka Koskela Paul MacManus	20
+	Sobolev spaces on an arbitrary metric space	1996	Piotr Hajłasz	20
+	Lectures on Analysis on Metric Spaces	2001	Juha Heinonen	20
+ PDF Chat	Quasiconformal mappings and extendability of functions in sobolev spaces	1981	Peter W. Jones	19
+ PDF Chat	Mappings of finite distortion: Sharp Orlicz-conditions	2003	Janne Kauhanen Pekka Koskela Jan Malý Jani Onninen Xiao Zhong	19
+ PDF Chat	Regularity of the Inverse of a Planar Sobolev Homeomorphism	2005	Stanislav Hencl Pekka Koskela	19
+	Mappings ofBMO-distortion and beltrami-type operators	2002	Tadeusz Iwaniec Pekka Koskela Gaven Martin	19
+	Geometry of Sets and Measures in Euclidean Spaces	1995	Pertti Mattila	18
+	Elliptic Partial Differential Equations and Quasiconformal Mappings in the Plane (PMS-48)	2008	Kari Astala Tadeusz Iwaniec Gaven Martin	17
+ PDF Chat	The Lp-integrability of the partial derivatives of A quasiconformal mapping	1973	F. W. Gehring	17
+	Quasiextremal distance domains and extension of quasiconformal mappings	1985	F. W. Gehring Олли Мартио	16
+	MAPPINGS OF FINITE DISTORTION: $L^n \log^{\alpha} L$ -INTEGRABILITY	2003	Tadeusz Iwaniec Pekka Koskela Gaven Martin Carlo Sbordone	16
+	On the integrability of the Jacobian under minimal hypotheses	1992	Tadeusz Iwaniec Carlo Sbordone	16
+	Space Mappings with Bounded Distortion	1989	Yu. G. Reshetnyak	16
+ PDF Chat	Hölder domains and Poincaré domains	1990	Wayne Smith David A. Stegenga	15
+ PDF Chat	The Poincaré inequality is an open ended condition	2008	Stephen Keith Xiao Zhong	15
+	Remarks on Sobolev imbedding inequalities	1988	Bogdan Bojarski	15
+ PDF Chat	Elliptic Partial Differential Equations of Second Order	2001	David Gilbarg Neil S. Trudinger	15
+	Mappings of finite distortion: the degree of regularity	2004	Daniel Faraco Pekka Koskela Xiao Zhong	15
+	Theory of function spaces	1983	Hans Triebel	14
+	Mappings of finite distortion: Capacity and modulus inequalities	2006	Pekka Koskela Jani Onninen	14
+	Weakly Differentiable Functions: Sobolev Spaces and Functions of Bounded Variation	1989	William P. Ziemer	14
+ PDF Chat	Conformal Geometry and Quasiregular Mappings	1988	Матти Вуоринен	14
+	Uniform domains and the quasi-hyperbolic metric	1979	F. W. Gehring Brad Osgood	14
+ PDF Chat	Mappings of finite distortion: gauge dimension of generalized quasicircles	2003	David A. Herron Pekka Koskela	14
+	Mappings of finite distortion: Formation of cusps II	2007	Juhani Takkinen	13
+ PDF Chat	Analytical foundations of the theory of quasiconformal mappings in R^n	1983	Bogdan Bojarski Tadeusz Iwaniec	13
+ PDF Chat	Definitions of quasiconformality	1995	Juha Heinonen Pekka Koskela	13
+ PDF Chat	Extremal mappings of finite distortion	2005	Kari Astala Tadeusz Iwaniec Gaven Martin Jani Onninen	13
+ PDF Chat	Rings and quasiconformal mappings in space	1962	F. W. Gehring	13
+	Quasiconformal mappings and spaces of functions with generalized first derivatives	1977	S. K. Vodopyanov V. M. Gol′dshteĭn	13
+ PDF Chat	Pointwise characterizations of Hardy-Sobolev functions	2008	Pekka Koskela Eero Saksman	12
+	Mappings of finite distortion: Hausdorff measure of zero sets	2002	Stanislav Hencl Jan Malý	12
+	Lusin's condition (N) and mappings of the class W1, n.	1995	Олли Мартио Jan Malý	12