Heittokangas, Janne: search on Z-Library

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1

Functions of finite logarithmic order in the unit disc, Part I

Heittokangas, Janne, Wen, Zhi-Tao

Journal:

Journal of Mathematical Analysis and Applications

Year:

2014

Language:

english

File:

PDF, 413 KB

english, 2014

2

Zero separation results for solutions of second order linear differential equations

Chuaqui, Martin, Gröhn, Janne, Heittokangas, Janne, Rättyä, Jouni

Journal:

Advances in Mathematics

Year:

2013

Language:

english

File:

PDF, 392 KB

english, 2013

3

Linear Differential Equations and Logarithmic Derivative Estimates The first and third authors were partially supported by INTAS, project 99-00089.

Chyzhykov, Igor, Gundersen, Gary G., Heittokangas, Janne

Journal:

Proceedings of the London Mathematical Society

Year:

2003

Language:

english

File:

PDF, 597 KB

english, 2003

4

Linear differential equations with coefficients in weighted Bergman and Hardy spaces

Heittokangas, Janne, Korhonen, Risto, Rättyä, Jouni

Journal:

Transactions of the American Mathematical Society

Year:

2008

Language:

english

File:

PDF, 259 KB

english, 2008

5

-Orders of Solutions of Linear Differential Equations in the Unit Disc

Chuaqui, Martin, Gröhn, Janne, Heittokangas, Janne, Rättyä, Jouni

Journal:

Abstract and Applied Analysis

Year:

2011

Language:

english

File:

PDF, 496 KB

english, 2011

6

Zero distribution of solutions of complex linear differential equations determines growth of coefficients

Janne Heittokangas, Jouni Rättyä

Journal:

Mathematische Nachrichten

Year:

2011

Language:

english

File:

PDF, 121 KB

english, 2011

7

Functions of Finite Logarithmic Order in the Unit Disc, Part II

Heittokangas, Janne, Wen, Zhi-Tao

Journal:

Computational Methods and Function Theory

Year:

2015

Language:

english

File:

PDF, 291 KB

english, 2015

8

Zero distribution and division results for exponential polynomials

Heittokangas, Janne, Ishizaki, Katsuya, Tohge, Kazuya, Wen, Zhi-Tao

Journal:

Israel Journal of Mathematics

Year:

2018

Language:

english

File:

PDF, 303 KB

english, 2018

9

Complex oscillation and nonoscillation results

Heittokangas, Janne, Ishizaki, Katsuya, Laine, Ilpo, Tohge, Kazuya

Journal:

Transactions of the American Mathematical Society

Year:

2019

Language:

english

File:

PDF, 334 KB

english, 2019

10

A unit disc analogue of the Bank-Laine conjecture does not hold

Heittokangas, Janne, Tohge, Kazuya

Journal:

Annales Academiae Scientiarum Fennicae Mathematica

Year:

2011

Language:

english

File:

PDF, 426 KB

english, 2011

11

Growth estimates for logarithmic derivatives of Blaschke products and of functions in the Nevanlinna class

Heittokangas, Janne

Journal:

Kodai Mathematical Journal

Year:

2007

Language:

english

File:

PDF, 133 KB

english, 2007

12

Deficient Values of Solutions of Linear Differential Equations

Gundersen, Gary G., Heittokangas, Janne, Wen, Zhi-Tao

Journal:

Computational Methods and Function Theory

Year:

2020

File:

PDF, 473 KB

2020

13

Linear Differential Equations with Coefficients in Weighted Bergman and Hardy Spaces

Janne Heittokangas, Risto Korhonen and Jouni Rättyä

Journal:

Transactions of the American Mathematical Society

Year:

2008

Language:

english

File:

PDF, 1.41 MB

english, 2008

14

Dual exponential polynomials and linear differential equations

Wen, Zhi-Tao, Gundersen, Gary G., Heittokangas, Janne

Journal:

Journal of Differential Equations

Year:

2017

Language:

english

File:

PDF, 707 KB

english, 2017

15

ON THE COMPLEXITY OF FINDING A NECESSARY AND SUFFICIENT CONDITION FOR BLASCHKE-OSCILLATORY EQUATIONS

HEITTOKANGAS, JANNE, REIJONEN, ATTE

Journal:

Glasgow Mathematical Journal

Year:

2015

Language:

english

File:

PDF, 103 KB

english, 2015

16

Exponential polynomials as solutions of certain nonlinear difference equations

Zhi Tao Wen, Janne Heittokangas, Ilpo Lain

Journal:

Acta Mathematica Sinica, English Series (Springer)

Year:

2012

Language:

english

File:

PDF, 226 KB

english, 2012

17

Complex Difference Equations of Malmquist Type

Janne Heittokangas, Risto Korhonen, Ilpo Laine…

Journal:

Computational Methods and Function Theory

Year:

2001

Language:

english

File:

PDF, 185 KB

english, 2001

18

Fast Growing Solutions of Linear Differential Equations in the Unit Disc

Janne Heittokangas, Risto Korhonen, Jouni Rättyä

Journal:

Results in Mathematics

Year:

2006

Language:

english

File:

PDF, 197 KB

english, 2006

19

On α-Polynomial Regular Functions, with Applications to Ordinary Differential Equations

Fenton, Peter, Grohn, Janne, Heittokangas, Janne, Rossi, John, Rattya, Jouni

Journal:

Proceedings of the Edinburgh Mathematical Society

Year:

2014

Language:

english

File:

PDF, 212 KB

english, 2014

20

Solutions off″ +A(z)f= 0 in the Unit Disc Having Blaschke Sequences as the Zeros

Janne Heittokangas

Journal:

Computational Methods and Function Theory

Year:

2005

Language:

english

File:

PDF, 197 KB

english, 2005

21

on the Complexity of Finding a Necessary and Sufficient Condition for Blaschke-Oscillatory Equations

Heittokangas, Janne, Reijonen, Atte

Year:

2014

Language:

english

File:

PDF, 103 KB

english, 2014

22

On the relationship between the lower order of coefficients and the growth of solutions of differential equations

Long, Jianren, Heittokangas, Janne, Ye, Zhuan

Journal:

Journal of Mathematical Analysis and Applications

Year:

2016

Language:

english

File:

PDF, 824 KB

english, 2016

23

On the number of linearly independent admissible solutions to linear differential and linear difference equations

Heittokangas, Janne, Yu, Hui, Zemirni, Mohamed Amine

Journal:

Canadian Journal of Mathematics

Year:

2020

File:

PDF, 888 KB

2020

24

Generalization of PÃ³lyaâs Zero Distribution Theory for Exponential Polynomials, and Sharp Results for Asymptotic Growth

Heittokangas, Janne M., Wen, Zhi-Tao

Journal:

Computational Methods and Function Theory

Year:

2020

File:

PDF, 506 KB

2020

25

Exponential polynomials in the oscillation theory

Heittokangas, Janne, Ishizaki, Katsuya, Laine, Ilpo, Tohge, Kazuya

Journal:

Journal of Differential Equations

Year:

2021

File:

PDF, 406 KB

2021

26

On Interpolating Blaschke Products and

Janne Heittokangas

Journal:

Constructive Approximation

Year:

2011

Language:

english

File:

PDF, 675 KB

english, 2011

27

Blaschke-oscillatory equations of the form

Janne Heittokangas

Journal:

Journal of Mathematical Analysis and Applications

Year:

2006

Language:

english

File:

PDF, 139 KB

english, 2006

28

New Findings on the Bank–Sauer Approach in Oscillation Theory

Janne Gröhn, Janne Heittokangas

Journal:

Constructive Approximation

Year:

2012

Language:

english

File:

PDF, 599 KB

english, 2012

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