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
Teaching
Spring 2011: Introduction to differential forms
Publications
- 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
Preprints
Other
- 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
See also
A quasiconformal life: Celebration of the legacy and work of F.W.Gehring University of Helsinki, August 11-12.
XXII Rolf Nevanlinna Colloquium 2013 University of Helsinki, August 5-9.
Quasiconformal Mappings and Analysis on Metric Spaces
Finnish Mathematical Society  
Helsinki Analysis group  
Reports in Mathematics  
Mathematical Institut University of Bern
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