Pekka Julius Pankka

Publications

Research output per year 2003 2008 2014 2015 2017 2019 2020 2021 2024

• 43 Article
• 3 Conference contribution
• 1 Book/Film/Article review
• 1 Doctoral Thesis
• 1 More
  • 1 Preprint

Research output per year

Research output per year

Search results

• 2024

  TILT: Topological Interface Recovery in Limited-Angle Tomography

  Karvonen, E., Lassas, M., Pankka, P. & Siltanen, S., 2024, In: SIAM journal on imaging sciences . 17, 3

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2023

  De Rham algebras of closed quasiregularly elliptic manifolds are Euclidean

  Heikkilä, S. A. & Pankka, P., 22 Feb 2023.

  Research output: Working paper › Preprint

• Quasiregular Curves of Small Distortion in Product Manifolds

  Heikkilä, S., Pankka, P. & Prywes, E., Jan 2023, In: Journal of Geometric Analysis. 33, 1, 44 p., 1.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2022

  Bubbling of quasiregular maps

  Pankka, P. & Souto, J., Apr 2022, In: Mathematische Annalen. 385, 3-4, p. 1577–1610 34 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Invisibility Cloaking and Transformation Optics for Three Dimensional Manifolds and Applications in Cosmology

  Balehowsky, T., Lassas, M., Pankka, P. & Sirvio, V., 2022, In: SIAM Journal on Mathematical Analysis. 54, 3, p. 3420-3456 37 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2021

  A NEOHOOKEAN MODEL OF PLATES

  Iwaniec, T., Onninen, J., Pankka, P. & Radice, T., 2021, In: SIAM Journal on Mathematical Analysis. 53, 1, p. 509-529 21 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Bing meets Sobolev

  Onninen, J. & Pankka, P., Mar 2021, In: Revista Matematica Iberoamericana. 37, 5, p. 1897-1916 20 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Entropy in uniformly quasiregular dynamics

  Kangasniemi, I., Okuyama, Y., Pankka, P. & Sahlsten, T., Aug 2021, In: Ergodic Theory and Dynamical Systems. 41, 8, p. 2397-2427 31 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Quasiregular curves: Hölder continuity and higher integrability

  Onninen, J. & Pankka, P., 2021, In: Complex analysis and its synergies. 7, 3, 9 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2020

  Metric currents and polylipschitz forms

  Pankka, P. & Soultanis, E., 8 Apr 2020, In: Calculus of Variations and Partial Differential Equations. 59, 2, 38 p., 76.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• QUASIREGULAR CURVES

  Pankka, P., 2020, In: Annales Academiae Scientiarum Fennicae. Mathematica. 45, p. 975-990 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Stoilow's theorem revisited

  Luisto, R. & Pankka, P., Sept 2020, In: Expositiones Mathematicae. 38, 3, p. 303-318 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Topologically Nontrivial Counterexamples to Sard's Theorem

  Goldstein, P., Hajlasz, P. & Pankka, P., Oct 2020, In: International Mathematics Research Notices. 2020, 20, p. 7073-7096 24 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Transformation Optics for the Modelling of Waves in a Universe with Nontrivial Topology

  Balehowsky, T., Sirviö, V., Pankka, P. & Lassas, M., 18 Nov 2020, In: arXiv.org . arXiv:2011.09547 [math.AP], arXiv:2011.09547 [math.AP].

  Research output: Contribution to journal › Article › Scientific

• 2019

  Ahlfors reflection theorem for $p$-morphisms

  Koskela, P., Pankka, P. & Zhang, Y. R-Y., 19 Dec 2019, In: arXiv.org .

  Research output: Contribution to journal › Article › Scientific

• Deformation and quasiregular extension of cubical Alexander maps

  Pankka, P. & Wu, J-M., 19 Apr 2019, In: arXiv.org .

  Research output: Contribution to journal › Article › Scientific

• Free vs. locally free Kleinian groups

  Pankka, P. & Souto, J., Jan 2019, In: Journal für die Reine und Angewandte Mathematik. 746, p. 149-170 22 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Pull-Back of Metric Currents and Homological Boundedness of BLD-Elliptic Spaces

  Pankka, P. & Soultanis, E., Mar 2019, In: Analysis and Geometry in Metric Spaces. 7, 1, p. 212-249 38 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Uniform cohomological expansion of uniformly quasiregular mappings

  Kangasniemi, I. & Pankka, P., Mar 2019, In: Proceedings of the London Mathematical Society. 118, 3, p. 701-728 28 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Vertical quasi-isometries and branched quasisymmetries

  Lindquist, J. & Pankka, P., 28 Nov 2019, In: arXiv.org .

  Research output: Contribution to journal › Article › Scientific

• 2017

  Harmonic extensions of quasiregular maps

  Pankka, P. & Souto, J., 22 Nov 2017, In: arXiv.org .

  Research output: Contribution to journal › Article › Scientific

• Juha Heinonen, Pekka Koskela, Nageswari Shanmugalingam, Jeremy Tyson: "Sobolev spaces of metric measure spaces : an approach based on upper gradients": kirja-arvostelu

  Pankka, P., 2017, In: Arkhimedes. 3, p. 28-30 3 p.

  Research output: Contribution to journal › Book/Film/Article review › Professional

• Local monodromy of branched covers and dimension of the branch set

  Aaltonen, M. & Pankka, P., 2017, In: Annales Academiae Scientiarum Fennicae. Mathematica. 42, 1, p. 487-496 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Quasiconformal non-parametrizability of almost smooth spheres

  Pankka, P. & Vellis, V., Apr 2017, In: Selecta Mathematica, New Series. 23, 2, p. 1121-1151 31 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2016

  Rigidity of extremal quasiregularly elliptic manifolds

  Luisto, R. & Pankka, P., 2016, In: Groups, geometry, and dynamics. 10, 2, p. 723-732 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2015

  A story of an example

  Pankka, P., 2015, In: Arkhimedes. 2, p. 16-23 8 p.

  Research output: Contribution to journal › Article › Professional

• Rescaling principle for isolated essential singularities of quasiregular mappings

  Okuyama, Y. & Pankka, P., 2015, In: Proceedings of the American Mathematical Society. 143, 5, p. 2043-2050 8 p., PII S0002-9939(2014)12378-1.

  Research output: Contribution to journal › Article › Scientific › peer-review

  File

• Sharpness of Rickman's Picard theorem in all dimensions

  Drasin, D. & Pankka, P., Jun 2015, In: Acta Mathematica. 214, 2, p. 209-306 98 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2014

  Closed BLD-elliptic manifolds have virtually Abelian fundamental groups

  Le Donne, E. & Pankka, P., 2014, In: New York Journal of Mathematics. 20, p. 209-216 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Distributional limits of Riemannian manifolds and graphs with sublinear genus growth

  Namazi, H., Pankka, P. & Souto, J., 2014, In: Geometric and Functional Analysis. 24, 1, p. 322-359 38 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  File

• Equilibrium measures for uniformly quasiregular dynamics

  Okuyama, Y. & Pankka, P., 2014, In: Journal of the London Mathematical Society. 89, 2, p. 524-538 15 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  File

• Geometry and quasisymmetric parametrization of Semmes spaces

  Pankka, P. & Wu, J-M., 2014, In: Revista Matematica Iberoamericana. 30, 3, p. 893-960 68 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Quasiregular ellipticity of open and generalized manifolds

  Pankka, P., Rajala, K. & Wu, J-M., 2014, In: Computational Methods and Function Theory. 14, 2-3, p. 383-398 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2013

  Accumulation of periodic points for local uniformly quasiregular mappings

  Okuyama, Y. & Pankka, P., 2013, RIMS Kôkyûroku Bessatsu, B43. Kyoto University. Research Institute for Mathematical Sciences , p. 121-139 19 p. (RIMS Kôkyûroku Bessatsu, B43).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• 2012

  On the nonexistence of certain branched covers

  Pankka, P. & Souto, J., 2012, In: Geometry & Topology. 16, 3, p. 1321-1344 24 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Slow mappings of finite distortion

  Onninen, J. & Pankka, P., 1 Oct 2012, In: Mathematische Annalen. 354, 2, p. 685-705 21 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2011

  Quasiconformal extension fields

  Pankka, P. & Rajala, K., 2011, In: Calculus of Variations and Partial Differential Equations. 42, 1-2, p. 73-91 19 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Quasiregularly elliptic link complements

  Pankka, P. & Rajala, K., 2011, In: Geometriae Dedicata. 154, 1, p. 18 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2010

  Mappings of bounded mean distortion and cohomology

  Pankka, P., 2010, In: Geometric and Functional Analysis. 20, 1, p. 229-242

  Research output: Contribution to journal › Article › Scientific › peer-review

• Quasiconformal frames

  Heinonen, J., Pankka, P. & Rajala, K., 2010, In: Archive for Rational Mechanics and Analysis. 196, 3, p. 839-866

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2008

  Sharp exponential integrability for traces of monotone Sobolev functions

  Pankka, P., Poggi-Corradini, P. & Rajala, K., 2008, In: Nagoya Mathematical Journal. 192, p. 137-149

  Research output: Contribution to journal › Article › Scientific › peer-review

• Slow quasiregular mappings and universal coverings

  Pankka, P., 1 Feb 2008, In: Duke Mathematical Journal. 141, 2, p. 293-320 28 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Slow quasiregular mappings and universal coverings

  Pankka, P., 2008, In: Duke Mathematical Journal. 141, 2, p. 293-320

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2007

  p-Laplace operator, quasiregular mappings and Picard-type theorems

  Holopainen, I. & Pankka, P., 2007, Quasiconformal mappings and their applications. Ponnusamy, S., Sugawa, T. & Vuorinen, M. (eds.). Narosa publishing house, p. 117-150 34 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• 2006

  Quasiregular mappings from a punctured ball into compact manifolds

  Pankka, P., 2006, In: Conformal Geometry and Dynamics. 10, p. 41-62 22 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2005

  A big Picard theorem for quasiregular mappings into manifolds with many ends

  Holopainen, I. & Pankka, P., 2005, In: Proceedings of the American Mathematical Society. 133, 4, p. 1143-1150 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Global behavior of quasiregular mappings and mappings of finite distortion under parabolic assumptions on spaces

  Pankka, P., 2005, Helsinki: Yliopistopaino. 17 p.

  Research output: Thesis › Doctoral Thesis › Collection of Articles
• 2004

  Mappings of finite distortion: Global homeomorphism theorem

  Holopainen, I. & Pankka, P. J., 2004, In: Annales Academiae Scientiarum Fennicae. Mathematica. 29, p. 59-80

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2003

  Mappings of finite distortion and weighted parabolicity

  Pankka, P., 2003, Future trends in geometric function theory: RNC Workshop Jyväskylä 2003. Herron, D. (ed.). Jyväskylä, p. 191-198 (Report / University of Jyväskylä, Department of Mathematics and Statistics; vol. 92).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review