Janne Gröhn
University Lecturer
My work consists of research, teaching and academic advising.
Department of Physics and Mathematics, Faculty of Science, Forestry and Technology
[email protected] | +358 50 439 7914
I teach the courses Introduction to Differential Calculus (2 ECTS), Applications of Differential Calculus (2 ECTS), Integral Calculus (4 ECTS), Linear Algebra a (5 ECTS), and Linear Algebra b (4 ECTS).
Research interests in pure mathematics:
- mathematical analysis, and in particular, complex analysis;
- differential equations in a complex domain, growth and oscillation of solutions;
- inner functions, and in particular, Blaschke products.
Research groups
Publications
22/22 items-
Epistemological beliefs, motivational values, and study habits among students of tertiary mathematics
Viholainen, Antti; Tossavainen, Timo; Gröhn, Janne, 2023, Eurasia journal of mathematics, science and technology education, 19, 5, em2269. A1 Journal article (refereed), original research -
Description of growth and oscillation of solutions of complex LDE’s
Chyzhykov, Igor; Gröhn, Janne; Heittokangas, Janne; Rättyä, Jouni, 2022, Journal of the australian mathematical society, [Published online 16 June 2022], 1-27. A1 Journal article (refereed), original research -
Irregular finite order solutions of complex LDE's in unit disc
Chyzhykov, Igor; Filevych, Petro; Gröhn, Janne; Heittokangas, Janne; Rättyä, Jouni, 2022, Journal de mathematiques pures et appliquees, 160, 158-201. A1 Journal article (refereed), original research -
Oscillation of Solutions of LDE’s in Domains Conformally Equivalent to Unit Disc
Chyzhykov, I.; Gröhn, J.; Heittokangas, J.; Rättyä, J., 2022, Journal of geometric analysis, 32, 3, 71. A1 Journal article (refereed), original research -
Converse growth estimates for ODEs with slowly growing solutions
Gröhn, Janne, 2020, Mathematische zeitschrift, 2021; 298, 1-2, 419-450. A1 Journal article (refereed), original research -
University mathematics students' study habits and use of learning materials
Tossavainen, Timo; Gröhn, Janne; Heikkinen, Lasse; Kaasinen, Anna; Viholainen, Antti, 2020, LUMAT, 8, 1, 252-270. A1 Journal article (refereed), original research -
Linear differential equations with slowly growing solutions
Gröhn, Janne; Huusko, Juha-Matti; Rättyä, Jouni, 2018, Transactions of the american mathematical society, 370, 10, 7201-7227. A1 Journal article (refereed), original research -
Mean growth and geometric zero distribution of solutions of linear differential equations
Gröhn, Janne; Nicolau, Artur; Rättyä, Jouni, 2018, Journal d analyse mathematique, 134, 2, 747-768. A1 Journal article (refereed), original research -
Slowly growing solutions of ODEs revisited
Gröhn, Janne, 2018, Annales academiae scientiarum fennicae-mathematica, 43, 617-629. A1 Journal article (refereed), original research -
Solutions of Complex Differential Equation Having Pre-given Zeros in the Unit Disc
Gröhn, Janne, 2017, Constructive approximation, 2019; 49, 2, 295-306. A1 Journal article (refereed), original research