科研主页

General Information

Personal Data

Name: Yajuan Sun
Nationality: Chinese

Professional Experience

Professor, Academy of Mathematics and Systems Science, CAS, Apr.2015
Associate professor, Academy of Mathematics and Systems Science, CAS, Mar.2008 - Mar.2015
Associate Professor, ICMSEC, Academy of Mathematics and Systems Science, CAS, Mar.2007 - Mar.2008
Postdoc, Department of Mathematics, La Trobe University, Australia, Jun.2004-Sep.2005
Assistant professor, Academy of Mathematics and Systems Science, CAS, Jun.2003 - Mar.2007
Postdoc, Academy of Mathematics and Systems Science, CAS, Jul.2001 - Jun.2003

Education

Ph.D. Sep.1998 - Jun.2001 Academy of Mathematics and Systems Science, CAS
M.S. Mathematics Sep.1995 - Jul.1998 Inner Mongolia university, CHINA
B.S. Mathematics Sep.1991 - Jul.1995 Inner Mongolia normal university, CHINA

Visiting Experience

Department of Mathematics, UCSD, USA,(as visiting scholar) Aug.2014 - Mar.2015
Department of Mathematics, Massey university, New Zealand,(visited Prof. Robert McLachlan) Jan.2012 - Feb.2012
Department of Mathematics, Massey university, New Zealand,(as visiting research fellow) Jul.2010 - Jan.2011
Department of Mathematics, NTNU, Norway,(visited Profs. Elena Celledoni and Brynjulf Owren) Jun.2009 - Aug.2009
Department of Mathematics, Massey university, New Zealand,(as visiting scholar) Nov.2008 - Oct.2008
Department of Mathematics, Karlsruhe university, Germany,(as visiting scholar) Apr.2007 - May.2007
Department of Mathematics, Massey university, New Zealand,(as visiting scholar) Oct.2004 - Jan.2005

Awards and Grants

International exchanges scheme-cost-share programme,(100,000 Yuan, PI) Apr.2015 - Mar.2017
State Scholarship Fund, Aug.2014 - Mar.2015
ITER Project,(2,400,000 Yuan, PI) Jan.2014 - Oct.2018
National Natural Science Foundation of China,(500,000 Yuan, PI) Jan.2013 - Oct.2016
Foud for Innovative Research Groups, NNSFC,(MEMBER) Jan.2011 - Oct.2016
LSEC Fund,(250,000 Yuan, PI) 2011 - 2015
ICMSES Fund,(150,000 Yuan, PI) 2011 - 2015
National Basic Research Program of China,(MEMBER) Jan.2010 - Aug.2014
National Natural Science Foundation of China,(MEMBER) Jan.2010 - Oct.2013
K. C. Wong Education Foundation for female scientists, Jul.2010 - Jan. 2011
CAS international travel Found, 2008
LSEC Fund, Jan.2008 - Oct.2008
ICMSES Fund, Jan.2008 - Oct.2008
National Natural Science Foundation of China, Jan.2006 - Oct.2008
Tian Yuan Mathematics Funds of China, Jan.2005 - Dec.2005

Invited Talks

GAMPP2014, China, May 12-16, 2014
ICNAAM13, Greece, Sep 21-27, 2013
SciCADE13, Spain, Sep 16-20, 2013
Nonlinear Waves International Conference, China, June 12-15
ICNAAM12, Greece, Sep 19-25, 2012
SIDE12 International Conference, China, June 10-16, 2012
MAGIC12, , New Zealand, Jan 15-19, 2012
MWAM conference, New Zealand, Nov 12, 2011
SciCADE11, Canada, Jul 11-16, 2011
TRAGIC10, Australia, Dec 12-16, 2010
ICOSAHOM09, Norway, Jun 22-26, 2009
SciCADE09, China, May 25-29, 2009
FOCM08, Hong Kong, Jun 16-26, 2008
CAS-Kyoto University Joint Workshop, China, May 17-18, 2008
SciCADE07, French, Jul 9-13, 2007
SciCADE05, Japan, May 23-27, 2005
Workshop on Scientic Computation, New Zealand, Nov 30-Dec 3, 2004
NZIMA Workshop, New Zealand, Aug 30-Sep 3, 2004

Conference Organization

GI workshop, Nanjing,(co-organizer) Dec 15-16, 2012
GI workshop, Beijing,(organizer) Dec 7-9, 2011
Scicade09, Beijing,(organizational assistant) May 25-29, 2009
GI workshop, Beijing,(co-organizer) Aug 6-10, 2007
One-day workshop, Beijing,(organizer) Mar 10, 2007
CCAST-Workshop, Beijing,(co-organizer) Dec 12 - 16, 2005

Others

Course for Master student,(Geometric numerical integration) Autumn,2011
Course for PhD student (Geometric numerical integration) Autumn,2007
Reviewer, American Mathematical Society, Zentralblatt MATH
Referee, J. Comput. Phys., Science in China, J. Comp. Math.(Chinese/English version), JSSC, Appl. Math. Comput.,
Acta Math. Appl. Sinica, Mod. Phys. Lett.A, Appl. Numer. Math., Comm. Math. Research, Numer. Meth. PDEs

https://pan.baidu.com/s/1Hws5VA6-AvB--xqvaNsOwA

Research Interests

Topic 1

Geometric numerical methods for ODEs/PDEs: (multi)symplectic numerical methods; Volume-preserving methods; Energy-preserving methods; Generating function approach

Topic 2

Finite element method in time and space: a unied framework for applying Runge-Kutta methods to multisymplectic Hamiltonian system in space and time

Topic 3

Efficient implementation in solving ODEs/PDEs from molecular dynamics, plasmas, electromagnetism: combination of geometric integrators with adaptive, splitting, spectral, and multiscale technique

Topic 4

Dynamical behavior of discrete system: Numerical analysis

Recent Papers

Explicit symplectic methods for solving charged particle trajectories, Physics of Plasmas 24,(2017) 052507.
Zhaoqi Zhou, Yang He, Yajuan Sun*, Hong Qin, and Jian Liu
Explicit K-symplectic algorithms for charged particle dynamics, J. Phys. Lett. A 381, (2017) 568-573.
Yang He, Yajuan Sun*, Zhaoqi Zhou, Hong Qin, and Jian Liu
Discontinuous Galerkin methods for Hamiltonian ODEs and PDEs, J. Comput. Phys. 330, (2017) 340-364.
Wensheng Tang, Yajuan Sun*,Wenjun Cai
Hamiltonian particle-in-cell methods for Vlasov-Maxwell equations, Phys. Plasmas 23, (2016) 092108.
Yang He, Yajuan Sun*, Hong Qin, and Jian Liu
High order volume-preserving algorithms for relativistic charged particles in general electromagnetic elds, Phys. Plasmas 23, (2016) 092109.
Yang He, Yajuan Sun*, Ruili Zhang, Yulei Wang, Jian Liu and Hong Qin
Higher order volume-preserving schemes for charged particle dynamics, J. Comput. Phys. 305, (2016) 172-184.
Yang He, Yajuan Sun*, Jian Liu, Hong Qin
Geometric numerical integration for peakon b-family equations, Commun. Comput. Phys. 19(1), (2016) 24-52.
Weijun Cai, Yajuan Sun*, Yushun Wang
Canonical symplectic particle-in-cell method for longterm large-scale simulations of the Vlasov-Maxwell equations, Nucl. Fusion 56, (2016) 014001.
Hong Qin, Jian Liu, Jianyuan Xiao, Ruili Zhang, Yang He, Yulei Wang, Yajuan Sun, J. Burby, C. Ellison, Yao Zhou
Hamiltonian time integrators for Vlasov-Maxwell equations, Phys. Plasmas, 22, (2015) 124503.
Yang He, Hong Qin, Yajuan Sun, Jianyuan Xiao, Ruili Zhang, Jian Liu
Explicit high-order non-canonical symplectic particle-in-cell algorithms for Vlasov-Maxwell systems, Phys. Plasmas 22, (2015) 112504.
Jianyuan Xiao, Hong Qin, Jian Liu, Yang He, Ruili Zhang, Yajuan Sun
Variational discretizations for the generalized Rosenau-type equations, Appl. Math. Comput. 271C, (2015) 860-873.
Weijun Cai, Yajuan Sun*, YushunWang
On an integrable discretization of the Lotka- Volterra system, J. Comput. Math. 33(5), (2015) 468-494.
Yang He, Yajuan Sun*, Zaijiu Shang,
Volume-preserving algorithm for secular relativistic dynamics of charged particles, Phys. Plasmas 22, (2015) 044501.
R. Zhang, J. Liu, H. Qin, Y. Wang, Y. He, Y. Sun
Volume-preserving algorithms for charged particle dynamics, J. Comput. Phys. 281, (2015) 135-147.
Yang He, Yajuan Sun*, Jian Liu, Hong Qin
High order multisymplectic Runge{ Kutta methods, SIAM J. Sci. Comput. 36(5), (2014) A2199-A2226.
Robert McLachlan*, Brett Ryland, Yajuan Sun

Current Graduate Students

Zhaoqi Zhou

PhD

Yingzhe Li

PhD

Ran Tu

Master

Yanyan Shi