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Personal profile

Keywords

  • 111 Mathematics

International and National Collaboration Publications and projects within past five years.

Publications 2011 2019

Absolute continuity and α-Numbers on the real line

Orponen, T., 2019, In : Analysis & PDE. 12, 4, p. 969-996 28 p.

Research output: Contribution to journalArticleScientificpeer-review

A Marstrand-type restricted projection theorem R^3

Käenmäki, A., Orponen, T. & Venieri, L., 2019, (Submitted) In : Annales Scientifiques de l'Ecole Normale Superieure.

Research output: Contribution to journalArticleScientificpeer-review

Metric currents and the Poincaré inequality

Fässler, K. & Orponen, T., Apr 2019, In : Calculus of Variations and Partial Differential Equations. 58, 2, 20 p., 69.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

On the dimension and smoothness of radial projections

Orponen, T., 2019, In : Analysis & PDE. 12, 5, p. 1273-1294 22 p.

Research output: Contribution to journalArticleScientificpeer-review

A sharp exceptional set estimate for visibility

Orponen, T., Feb 2018, In : Bulletin of the London Mathematical Society. 50, 1, p. 1-6 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Projects 2017 2022

Kvantitatiivinen suoristuvuus Euklidisissa ja epä-Euklidisissa avaruuksissa

Orponen, H. T. & Venieri, L.

01/09/201731/08/2022

Project: Research project

Quantitative rectifiability of sets and measures in Euclidean spaces and Heisenberg groups

Orponen, H. T., Bate, D. S. & Rossi, E. V.

01/01/201731/12/2019

Project: University of Helsinki Three-Year Research Project

Activities 2012 2017

  • 3 Academic visit at UH
  • 2 Academic visit to other institution
  • 1 Organisation and participation in conferences, workshops, courses, seminars
  • 1 Public Talks

Institut Mittag-Leffler

Tuomas Orponen (Visiting researcher)
3 Sep 20176 Oct 2017

Activity: Visiting an external institution typesAcademic visit to other institution

Séverine Rigot

Tuomas Orponen (Host)
14 Dec 201721 Dec 2017

Activity: Hosting a visitor typesAcademic visit at UH

Changhao Chen

Tuomas Orponen (Host)
26 Nov 20171 Dec 2017

Activity: Hosting a visitor typesAcademic visit at UH

Fredrik Ekström

Tuomas Orponen (Host)
7 May 201712 May 2017

Activity: Hosting a visitor typesAcademic visit at UH

University of Edinburgh

Tuomas Orponen (Visiting researcher)
16 Jul 201727 Jul 2017

Activity: Visiting an external institution typesAcademic visit to other institution