• PL 68 (Pietari Kalmin katu 5)

    00014

    Finland

20172019
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Personal profile

Education information

Nov 2016 – present

PostDoc

University of Helsinki, Department of Mathematics and Statistics

Helsinki, Finland

Sep 2012 – Jun 2016

PhD Student

Shanghai Normal University, Mathematics and Science College

Shanghai, China

Sep 2008 – Jul 2012

Master's Student 

Tongji University, Department of Mathematics

Shanghai, China

Sep 2004 – Jul 2008

Undergraduate Student

Yantai University, Department of Mathematics

Yantai, China

External positions

Reveiwer for Mathematical reviews

30 Jun 2016 → …

Fields of Science

  • 111 Mathematics
  • Applied Mathematics
  • Biomathematics
  • Competitive systems
  • Carrying simplex
  • SDEs and random dynamical systems
  • Bifurcation analysis
  • Chaos and strange attractors
  • Evolutionary game theory

International and National Collaboration Publications and projects within past five years.

Publications 2017 2019

A note on global stability of three-dimensional Ricker models

Gyllenberg, M., Jiang, J. & Niu, L., 2 Jan 2019, In : Journal of Difference Equations and Applications. 25, 1, p. 142-150 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Chaotic attractors in the four-dimensional Leslie-Gower competition model

Gyllenberg, M., Jiang, J. & Niu, L., 9 Sep 2019, In : Physica D: Nonlinear Phenomena. 132186.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Decomposition formula and stationary measures for stochastic Lotka-Volterra system with applications to turbulent convection

Chen, L., Dong, Z., Jiang, J., Niu, L. & Zhai, J., May 2019, In : Journal de Mathematiques Pures et Appliquées. 125, p. 43-93 51 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Linearization and invariant manifolds on the carrying simplex for competitive maps

Mierczynski, J., Niu, L. & Ruiz-Herrera, A., 5 Dec 2019, In : Journal of Differential Equations. 267, 12, p. 7385-7410 26 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

On the dynamics of multi-species Ricker models admitting a carrying simplex

Gyllenberg, M. A. G., Jiang, J., Niu, L. & Yan, P., 28 Jul 2019, (Accepted/In press) In : Journal of Difference Equations and Applications.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Activities 2016 2019

ICDEA 2019

Lei Niu (Speaker: Presenter)
24 Jun 201928 Jun 2019

Activity: Participating in or organising an event typesPublic Talks

Journal of Difference Equations and Applications (Journal)

Lei Niu (Reviewer)
3 Jul 201913 Oct 2019

Activity: Publication peer-review and editorial work typesPeer review of manuscripts

Biomathematics Seminars

Lei Niu (Speaker)
9 Oct 2019

Activity: Talk or presentation typesOral presentation

A special case of the stochastic Lotka-Volterra model

Lei Niu (Speaker)
20 Feb 2019

Activity: Talk or presentation typesOral presentation

Discrete-time competition models versus the Lotka-Volterra competition model

Lei Niu (Speaker)
22 Oct 2018

Activity: Talk or presentation typesOral presentation