Janne Heittokangas

1. GENERALIZED LOGARITHMIC DERIVATIVE ESTIMATES OF GOL'DBERG–GRINSHTEIN TYPE
   2003/12/23 by J. HEITTOKANGAS, Janne Heittokangas, Risto Korhonen +3 · 4 citations
   Mathematics · #Meromorphic and Entire Functions #Analytic and geometric function theory #Holomorphic and Operator Theory
2. On meromorphic solutions of certain nonlinear differential equations
   2002/10/01 by Janne Heittokangas, J. Heittokangas, R. Korhonen +3 · 1 citation
   Mathematics · #Meromorphic and Entire Functions #Advanced Differential Equations and Dynamical Systems
3. Value distribution of exponential polynomials and their role in the theories of complex differential equations and oscillation theory
   2022/02/03 by Janne Heittokangas, Katsuya Ishizaki, Heittokangas, Janne +5 · 2 citations
   Mathematics · #Meromorphic and Entire Functions
4. Value distribution of exponential polynomials and their role in the theories of complex differential equations and oscillation theory
   2022/09/12 by Janne Heittokangas, Katsuya Ishizaki, Kazuya Tohge +1 · 2 citations
   Mathematics · #Meromorphic and Entire Functions #Holomorphic and Operator Theory #Advanced Differential Equations and Dynamical Systems
5. Asymptotic integration theory for f'' + P(z)f = 0
   2020/08/24 by Gary G. Gundersen, Gundersen, Gary G., Janne Heittokangas +3 · 1 citation
   Mathematics · #34M10 #Advanced Differential Equations and Dynamical Systems #Complex Variables (math.CV) #FOS: Mathematics #Mathematical Dynamics and Fractals #Meromorphic and Entire Functions