Riku Klén
PhD
riku.klen@utu.fi +358 0 231 3048 Kiinamyllynkatu 4-8 Turku ORCID identifier: https://orcid.org/0000-0002-0982-8360 |
Areas of expertise
Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings
Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings
Publications 
6 of 6
- On the stability of φ-uniform domains [On the stability of phi-uniform domains]Inclusion relations of hyperbolic type metric balls IICLOSE-TO-CONVEXITY OF QUASIHYPERBOLIC AND j-METRIC BALLS (2014)
- Monatshefte für MathematikPublicationes Mathematicae DebrecenAnnales Academiae Scientiarum Fennicae. Mathematica
(A1 Refereed original research article in a scientific journal) - Quasihyperbolic metric and möbius transformationsLocal convexity properties of balls in Apollonian and Seittenranta's metrics (2014)
- Proceedings of the American Mathematical Society
(A1 Refereed original research article in a scientific journal) - The visual angle metric and Möbius transformations (2014)
- Computational Methods and Function Theory
(A1 Refereed original research article in a scientific journal) - Dimension of the boundary in different metricsOn Jordan Type Inequalities for Hyperbolic Functions (2013)
- Mathematica Scandinavica
(A1 Refereed original research article in a scientific journal) - (2013)
(A1 Refereed original research article in a scientific journal) - (2013)
- Conformal Geometry and Dynamics
(A1 Refereed original research article in a scientific journal) - Subdomain geometry of hyperbolic type metrics (2013)
- Transactions of the Institute of Mathematics of the National Academy of Sciences of Ukraine
(A1 Refereed original research article in a scientific journal) - Inclusion relations of hyperbolic type metric balls (2012)
- Publicationes Mathematicae Debrecen
(A1 Refereed original research article in a scientific journal) - Apollonian circles and hyperbolic geometry (2011)
- Journal of Analysis
(A1 Refereed original research article in a scientific journal) - Coronary plaque imaging in patients with unstable angina pectoris using dual gated [18F]-FDG PET/CT (2011)
- European Heart Journal SupplementsJournal of Inequalities and Applications
(Other publication) - (2010)
(A1 Refereed original research article in a scientific journal) - Dual gated PET/CT imaging of small targets of the heart: Method description and testing with a dynamic heart phantomOn hyperbolic type metrics (2010)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - (2010)
(A1 Refereed original research article in a scientific journal) - Quasihyperbolic Geometry in Euclidean and Banach Spaces (2010)
- Journal of Analysis
(A1 Refereed original research article in a scientific journal) - (2009) Klén Riku
(G4 Monograph dissertation)
UTU Research Portal