Riku Klén
PhD
riku.klen@utu.fi 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 7
- Geometric properties of φ-uniform domains (2016)
- Journal of Analysis
(A1 Refereed original research article in a scientific journal) - Linear relation between spirometric volume and the motion of cardiac structures: MRI and clinical PET study (2016)
- Journal of Nuclear Cardiology
(A1 Refereed original research article in a scientific journal) - On Isometries of Conformally Invariant Metrics (2016)
- Journal of Geometric Analysis
(A1 Refereed original research article in a scientific journal) - Solution of Two Conjectures of Klén, Lindén, Vuorinen and Wang (2016)
- Computational Methods and Function Theory
(A1 Refereed original research article in a scientific journal) - Convexity properties of generalized trigonometric and hyperbolic functions. (2015)
- Aequationes Mathematicae
(A1 Refereed original research article in a scientific journal) - Development of Motion Correction Methods for Cardiac PET Imaging (2015)
- European Journal of Nuclear Medicine and Molecular Imaging
(Other publication) - Examples of Fractals Satisfying the Quasihyperbolic Boundary Condition (2015)
- Australian Journal of Mathematical Analysis and Applications
(A1 Refereed original research article in a scientific journal) - Lipschitz conditions, triangular ratio metric, and quasiconformal maps (2015)
- Annales Academiae Scientiarum Fennicae. Mathematica
(A1 Refereed original research article in a scientific journal) - Analyysiä reaaliluvuilla (2014) Petteri Harjulehto, Riku Klén, Mika Koskenoja
(D5 Text book, professional manual or guide or dictionary ) - Bernoulli inequality and hypergeometric functions (2014)
- Proceedings of the American Mathematical Society
(A1 Refereed original research article in a scientific journal) - Inequalities for the generalized trigonometric and hyperbolic functions (2014)
- Journal of Mathematical Analysis and Applications
(A1 Refereed original research article in a scientific journal) - On the stability of φ-uniform domains [On the stability of phi-uniform domains] (2014)
- Monatshefte für Mathematik
(A1 Refereed original research article in a scientific journal) - Quasihyperbolic metric and möbius transformations (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 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)
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