Pekka Pankka

Academy Research Fellow

Contact information

Room: B316
Address: P.O. Box 68 (Gustaf Hällströmin katu 2b), FI-00014 University of Helsinki
Email: pekka.pankka 'at' helsinki.fi

On the non-existence of certain branched covers (with Juan Souto). Geom. Topol. 16, 2012. [arXiv:1008.1694] PDF
Slow mappings of finite distortion (with Jani Onninen). Math. Ann. 354 (2), 2012. PDF
Quasiregularly elliptic link complements (with Kai Rajala). Geom. Dedicata 154 (1), 2011. PDF
Quasiconformal extension fields (with Kai Rajala). Calc. Var. Partial Differential Equations 42(1-2), 2011. [arXiv:1006.2259] PDF
Mappings of bounded mean distortion and cohomology. Geom. Funct. Anal. 20(1), 2010. PDF
Quasiconformal frames (with Juha Heinonen and Kai Rajala). Arch. Rat. Mech. Anal. 196(3), 2010. PDF
Sharp exponential integrability for traces of monotone Sobolev functions (with Pietro Poggi-Corradini and Kai Rajala). Nagoya Math. Jour. 192,2009. [arXiv:math.AP/072332]
Slow quasiregular mappings and universal coverings. Duke Math. J. 141(2), 2008.
Quasiregular mappings from a punctured ball into compact manifolds. Conform. Geom. Dyn. 10, 2006.
A big Picard theorem for quasiregular mappings into manifolds with many ends (with Ilkka Holopainen). Proc. Amer. Math. Soc. 133, 2005.
Mappings of finite distortion: Global homeomorphism theorem (with Ilkka Holopainen). Ann. Acad. Sci. Fenn. Ser. A I Math. 29, 2004.
Mappings of finite distortion and weighted parabolicity. In Future trends in geometric function theory (D. Herron, eds.), Rep. Univ. Jyväskylä Dept. Math. Stat. 92, 2003. PS PDF

Geometry and quasisymmetric parametrization of Semmes spaces (with Jang-Mei Wu). Preprint. [arXiv:1111.2197] PDF
Equilibrium measures for uniformly quasiregular dynamics (with Yûsuke Okuyama). Preprint. [arXiv:1204.6503]
Distributional limits of Riemannian manifolds and graphs with sublinear genus growth (with Hossein Namazi and Juan Souto). Preprint. [arXiv:1208.2130]
Sharpness of Rickman's Picard theorem in all dimensions (with David Drasin). Preprint. [arXiv:1304.6998]

p-Laplace operator, quasiregular mappings, and Picard-type theorems (with Ilkka Holopainen). In Quasiconformal Mappings and their Applications (S. Ponnusamy, T. Sugawa, and M. Vuorinen, eds.), Narosa Publishing House, New Delhi-Chennai-Mumbai-Kolkata, 2007, pp. 117-150. PS PDF
Global behavior of quasiregular mappings and mappings of finite distortion under parabolic assumptions on spaces. Dissertation, University of Helsinki, 2005. PDF