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
- Dimension of the boundary in different metrics (2013)
- Mathematica Scandinavica
(A1 Refereed original research article in a scientific journal) - Inclusion relations of hyperbolic type metric balls II (2013)
- Publicationes Mathematicae Debrecen
(A1 Refereed original research article in a scientific journal) - Local convexity properties of balls in Apollonian and Seittenranta's metrics (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 Supplements
(Other publication) - CLOSE-TO-CONVEXITY OF QUASIHYPERBOLIC AND j-METRIC BALLS (2010)
- Annales Academiae Scientiarum Fennicae. Mathematica
(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 phantom (2010)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - On Jordan Type Inequalities for Hyperbolic Functions (2010)
- Journal of Inequalities and Applications
(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) - On hyperbolic type metrics (2009) Klén Riku
(G4 Monograph dissertation)
UTU Research Portal