Heikki Johannes Jylhä
Ph.D. student @ Universitat Autònoma de Barcelona (UAB)
since 02/10/2016 for 1 year.
under the supervision of Prof. Albert Clop
I finished my Masters degree in 2010 and my PhD degree in mathematics in 2014, both at the University of Jyväskylä. After that I participated in the program Optimal Transportation at the Hausdorff Research Institute for Mathematics in Bonn and worked as a Post Doc at the University of Jyväskylä. The main topic of my studies so far has been optimal transportation, in particular nonlinear L∞ optimal transport and limits of p-Laplace type equations and their connection to optimal transport. My current research focuses on the well-posedness of the Cauchy problem for linear transport and continuity equations with non-smooth vector fields, mostly in the case where the vector field has unbounded divergence. Of particular interest are vector fields with quasiconformal flows and the well-posedness in quasiconformally invariant spaces. Understanding these linear problems will give rise to methods which help deal with more complicated nonlinear equations, such as the Euler equation and the aggregation equation.
Network-wide training activities:
- Follow-up Workshop to JTP 'Optimal Transportation' - August 29-September 2,2016 Bonn, Germany
- Around Analysis, domains and mappings, conference on the occasion of the 75th birthday of Olli Martio - December 15-17, 2016 Jyväskylä, Finland
Local training activities:
- Barcelona Analysis Conference 2016 - September 5-9, 2016 Barcelona, Spain
Publications and Preprints
- A. Clop, H. Jylhä, J. Mateu, J. Orobitg Well-posedness for the continuity equation for vector fields with suitable modulus of continuity preprint
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