If you made any changes in Pure these will be visible here soon.

Personal profile

Keywords

  • 111 Mathematics

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

Publications 2011 2019

ABSOLUTE CONTINUITY AND alpha-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 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

Boundedness of the density normalised Jones' square function does not imply 1-rectifiability

Martikainen, H. & Orponen, T., Feb 2018, In : Journal de Mathematiques Pures et Appliquées. 110, p. 71-92 22 p.

Research output: Contribution to journalArticleScientificpeer-review

Characterising the big pieces of Lipschitz graphs property using projections

Martikainen, H. & Orponen, T., 2018, In : European Mathematical Society. Journal. 20, 5, p. 1055-1073 19 p.

Research output: Contribution to journalArticleScientificpeer-review

CURVE PACKING AND MODULUS ESTIMATES

Fassler, K. & Orponen, T., Jul 2018, In : Transactions of the American Mathematical Society. 370, 7, p. 4909-4926 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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.

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

University of Edinburgh

Tuomas Orponen (Visiting researcher)
16 Jul 201727 Jul 2017

Activity: Visiting an external institution typesAcademic visit to other institution

Fredrik Ekström

Tuomas Orponen (Host)
7 May 201712 May 2017

Activity: Hosting a visitor typesAcademic visit at UH

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