Xiang-Sheng Wang's Home Page

Xiang-Sheng Wang (汪翔升)

Department of Mathematics
University of Louisiana at Lafayette
Lafayette, LA 70503

Office:	419 Maxim Doucet Hall
Phone:	337-482-5281
Email:	xswang@louisiana.edu

(CV, updated on 5/1/2023)

You are welcome to click the link
to submit a manuscript to International Journal of Computer Mathematics
for a Special Issue on Application-Oriented Numerical Computation and Optimization--a Celebration of 60 Years of the IJCM.

Education

Work Experience

Publications

Presentations

April 1-2, 2023, AMS Spring Eastern Virtual Sectional Meeting, Online
Title: Global analysis of a delayed cholera model with nonlocal spatial heterogeneity
March 18-19, 2023, AMS Spring Southeastern Sectional Meeting, Georgia Institute of Technology
Title: Global dynamics of a delayed viral infection model with immune responses and two infection modes
January 4-7, 2023, Joint Mathematics Meetings, Boston, Massachusetts
Title: Spatiotemporal patterns of a structured spruce budworm diffusive model
November 4-6, 2022, SIAM Texas-Louisiana Sectional Meeting, University of Houston
Title: Global dynamics of a cholera model with two nonlocal and delayed transmission mechanisms
October 1-2, 2022, The 7th Annual Meeting of SIAM Central States Section, Oklahoma State University
Title: The condition number of a Vandemonde-like matrix arising from a direct parallel-in-time algorithm
June 13-17, 2022, The 16th International Symposium on Orthogonal Polynomials, Special Functions and Applications, Online
Title: Applications of orthogonal polynomials in parallel computation and numerical integration
April 6-9, 2022, Joint Mathematics Meetings, Online
Title: Threshold dynamics of a nonlocal and delayed cholera model in a spatially heterogeneous environment
January 10-14, 2022, The 9th International Conference on Computational Methods and Function Theory, Online
Title: Applications of orthogonal polynomials in numerical analysis
December 2-7, 2021, Canadian Mathematical Society Winter Meeting, Online
Title (1st talk): Global analysis of a viral infection model with cell-to-cell transmission and immune chemokines
Title (2nd talk): Error bounds for the asymptotic expansions of the Hermite polynomials
January 6-9, 2021, Joint Mathematics Meetings, Online
Title: Complex dynamics in a delay differential equation with two delays in tick growth with diapause
October 16-18, 2020, SIAM Texas-Louisiana Sectional Meeting, Online
Title: Resonance of periodic combination antiviral therapy and intracellular delays in virus model
January 15-18, 2020, Joint Mathematics Meetings, Denver, Colorado
Title: Optimal control of a size-structured model for metastatic cancer treatment
July 1-5, 2019, Workshop on Mathematical Modeling and Analysis of Population Dynamics, Guangzhou University
Title: Dirichlet problem for a delayed diffusive hematopoiesis model
June 8-10, 2019, The Thirteenth International Conference on Recent Advances in Applied Dynamical Systems, Hangzhou Normal University
Title: Optimal control of a PDE tumor model
May 24-26, 2019, Workshop on Differential Equations with Applications, Chang'an University
Title: Multiple-scale analysis in an ion channel model
February 15-16, 2019, Scientific Computation Around Louisiana, Tulane University
Title: Numerical optimal control of a size-structured PDE model for metastatic cancer treatment
December 7-10, 2018, Canadian Mathematical Society Winter Meeting, Vancouver, Canada
Title: Asymptotic analysis of difference equations
October 5-7, 2018, SIAM Texas-Louisiana Sectional Meeting, Louisiana State University
Title: Viral dynamics revisited: partial degeneracy and spatial heterogeneity
July 25-August 15, 2018, Summer Research Institute on q-Series, Nankai University
Title: On quasi-orthogonal polynomials
July 10-11, 2018, PDEs from Biology, Ecology and Life Sciences: Models and Analysis, Hong Kong Polytechnic University
Title: Steady-state and dynamical solutions of Poisson-Nernst-Planck systems
July 5-9, 2018, The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Taipei, Taiwan
Title: Joint impact of cell-free and cell-to-cell transmissions in viral dynamics
June 8-10, 2018, The Twelfth International Conference on Recent Advances in Applied Dynamical Systems, Chongqing Normal University
Title: Dynamics of an ion channel model
June 4-8, 2018, International Conference on Applied Mathematics, City University of Hong Kong
Title: Aysmptotic analysis of time-dependent Poisson-Nernst-Planck systems
January 10-13, 2018, Joint Mathematics Meetings, San Diego, California
Title: Traveling waves in epidemic models: non-monotone diffusive systems with non-monotone incidence rates
August 28-September 1, 2017, Workshop on Wave Transport of Ionic Species, Fields Institute
Title: The dynamics of Poisson-Nernst-Planck systems
June 5-9, 2017, International Conference on Special Functions: Theory, Computation, and Applications, City University of Hong Kong
Title: Asymptotic expansion of orthogonal polynomials via difference equations
June 2-5, 2017, China-Canada International Conference on Disease Modelling, Shanghai University
Title: Global dynamics a coupled epidemic model
January 4-7, 2017, Joint Mathematics Meetings, Atlanta, Georgia
Title: Age-structure model with periodic mature probability
December 12-16, 2016, Mathematical Modelling and Computation in Medicine/Biology, Yau Mathematical Sciences Center
Title: Computation of dynamic thresholds for bird migration models
May 30-June 2, 2016, International Conference on Applied Mathematics, City University of Hong Kong
Title: Asymptotic solutions of linear difference equations
January 6-9, 2016, Joint Mathematics Meetings, Seattle, Washington
Title: Asymptotic analysis of difference equations
October 2-4, 2015, The 5th International Conference on Mathematical Modeling and Analysis of Populations in Biological Systems, Western University
Title: Transmission dynamics of avian influenza
August 10-14, 2015, The 8th International Congress on Industrial and Applied Mathematics, Beijing, China
Title: Asymptotic analysis of associated orthogonal polynomials via three-term recurrence relations
April 11-12, 2015, The 1st Annual Meeting of SIAM Central States Section, Missouri University of Science and Technology
Title: A population model with age structure and periodically distributed time delay
January 10-13, 2015, Joint Mathematics Meetings, San Antonio, Texas
Title: Periodic systems of delay differential equations and the dynamics of avian influenza
December 1-5, 2014 International Conference on Applied Mathematics in honor of Professor Roderick S. C. Wong's 70th birthday, City University of Hong Kong
Title: Plancherel-Rotach asymptotics of second-order difference equations with linear coefficients
August 4-7, 2014, SIAM Conference on the Life Sciences, Charlotte, North Carolina
Title: Basic reproductive ratios in ecosystems and disease models
May 26-30, 2014, Constructive Functions 2014 in honor of Ed Saff's 70th birthday, Vanderbilt University
Title: Asymptotics of hypergeometric orthogonal polynomials via difference equations
October 4-6, 2013, The 4th International Conference on Mathematical Modeling and Analysis of Populations in Biological Systems, Texas Tech University
Title: Age-structure model with periodically distributed delay
July 27-29, 2013, The 5th Atlantic Association for Research in Mathematical Sciences (AARMS) Annual Workshop on Mathematical Biology, Memorial University of Newfoundland
Title: Pulsating waves of a partially degenerate reaction-diffusion system in a periodic habitat
May 20-24, 2013, International Conference on Approximation Theory and Applications, City University of Hong Kong
Title: Singular perturbation solutions of steady-state Poisson-Nernst-Planck systems
January 9-12, 2013, Joint Mathematics Meetings, San Diego, California
Title (1st talk): Traveling waves of diffusive predator-prey systems: disease outbreak propagation
Title (2nd talk): Uniform asymptotics of some q-orthogonal polynomials
August 18-19, 2012, The 4th Atlantic Association for Research in Mathematical Sciences (AARMS) Annual Workshop on Mathematical Biology, Dalhousie University
Title: Avian influenza, migratory birds and dynamical threshold
June 5-July 3, 2012, Sojourns in Nonlinear Economics, Fields Institute
Title: Persistence theory applied to Keen's model - a link between mathematical biology and mathematical economics
June 24-28, 2012, Canadian Applied and Industrial Mathematics Annual Meeting, Fields Institute
Title: Threshold dynamics of avian influenza spread
December 10-11, 2011, International Workshop on Asymptotic Analysis, City University of Hong Kong
Title: Asymptotic analysis in biological mathematics
August 13-14, 2011, The 3rd Atlantic Association for Research in Mathematical Sciences (AARMS) Annual Workshop on Mathematical Biology, Memorial University of Newfoundland
Title: Asymptotic analysis in migration ecology and simple SIR epidemiology
July 25-30, 2011, The 5th Geoffrey J. Butler Memorial Conference on Differential Equations and Population Biology, University of Alberta
Title: Approximating the extinction threshold of spatial dynamics of migratory birds
July 18-22, 2011, The 7th International Congress on Industrial and Applied Mathematics, Vancouver, Canada
Title: Asymptotic analysis in migration ecology and simple SIR epidemiology
April 6-8, 2011, International Conference on Special Functions in the 21st Century: Theory and Applications, National Institute of Standards and Technology
Title: Global asymptotics of the Meixner polynomials
March 7-10, 2010, The 13th International Conference on Approximation Theory, San Antonio, Texas
Title: Asymptotics of orthogonal polynomials and order reduction method for difference equations
June 19-22, 2009, International Conference on Asymptotic Analysis and Infinite-dimensional Dynamical Systems, City University of Hong Kong
Title: Uniform asymptotics of the Meixner polynomials
April 27 - May 1, 2009, Shanks Workshop on Constructive Approximation, Vanderbilt University
Title: Uniform asymptotics of the Meixner polynomials

Organizing Activities

November 3-5, 2023, SIAM Texas-Louisiana Sectional Meeting, University of Louisiana at Lafayette, Organizing Committee Member
April 1-2, 2023, AMS Spring Eastern Virtual Sectional Meeting, Online, Co-Organizer (with Zilong Song) of Special Session on Recent advances in ion channel models and Poisson-Nernst-Planck systems.
March 18-19, 2023, AMS Spring Southeastern Sectional Meeting, Georgia Institute of Technology, Co-Organizer (with Jia Li and Yang Li) of Special Session on Mathematical Modeling of Populations and Diseases Transmissions.
January 4-7, 2023, Joint Mathematics Meetings, Boston, Massachusetts, Co-Organizer (with Zhisheng Shuai and Gail S Wolkowicz) of Special Session on Complex Systems in the Life Sciences.
November 4-6, 2022, SIAM Texas-Louisiana Sectional Meeting, University of Houston, Co-Organizer (with Zhuolin Qu and Lale Asik) of Mini-Symposium on Mathematical Modeling for Biological Dynamics.
October 28-30, 2022, The Eighth International Conference on Mathematical Modeling and Analysis of Populations in Biological Systems, University of Louisiana at Lafayette, Organizing Committee Member
October 1-2, 2022, The 7th Annual Meeting of SIAM Central States Section, Oklahoma State University, Co-Organizer (with Qin Sheng and Bruce Wade), Mini-symposium on Recent Advances in Application-oriented Numerical Computation and Optimization.
April 6-9, 2022, Joint Mathematics Meetings, Online, Co-Organizer (with Yang Li and Hongying Shu) of Special Session on Applications of Mathematical Models and Dynamical Systems in Biology.
December 2-7, 2021, Canadian Mathematical Society Winter Meeting, Online, Co-Organizer (with Yu-Tian Li and Zilong Song) of Special Session on Asymptotic Analysis, Orthogonal Polynomials, and Special Functions.
October 16-18, 2020, SIAM Texas-Louisiana Sectional Meeting, Online, Organizer of Mini-Symposium on Dynamical Systems and Mathematical Biology.
January 15-18, 2020, Joint Mathematics Meetings, Denver, Colorado, Co-Organizer (with Aijun Zhang) of Special Session on Differential and Difference Equations in Biological Dynamics.
December 7-10, 2018, Canadian Mathematical Society Winter Meeting, Vancouver, Canada, Co-Organizer (with Chunhua Ou) of Special Session on Asymptotic Analysis and Applications.
October 5-7, 2018, SIAM Texas-Louisiana Sectional Meeting, Louisiana State University, Organizer of Mini-Symposium on Modeling, Analysis, and Computation in Mathematical Biology.
July 5-8, 2018, The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Taipei, Taiwan, Co-Organizer (with Yijun Lou, Hongying Shu and Xiaotian Wu) of Special Session on Dynamical Systems with Applications to Population Biology.
January 10-13, 2018, Joint Mathematics Meetings, San Diego, California, Co-Organizer (with Abey Lopez-Garcia) of Special Session on Orthogonal Polynomials and Applications.
January 4-7, 2017, Joint Mathematics Meetings, Atlanta, Georgia, Co-Organizer (with Yanyu Xiao) of Special Session on Analytical and Computational Studies in Mathematical Biology.
November 11-13, 2016, Organizing Committee Member, 2016 Lloyd Roeling Mathematics Conference, University of Louisiana at Lafayette.
July 1-5, 2016, The 11th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Orlando, Florida, Co-Organizer (with Nemanja Kosovalic) of Special Session on Differential Equations and Applications to Biological Models.
January 6-9, 2016, Joint Mathematics Meetings, Seattle, Washington, Organizer of Special Session on Recent Advances in Orthogonal Polynomials and Special Functions.
October 2-4, 2015, The 5th International Conference on Mathematical Modeling and Analysis of Populations in Biological Systems (ICMA-V), London, Ontario, Canada, Organizer of Mini-Symposium on Modelling Transmission Dynamics of Infectious Diseases.
January 10-13, 2015, Joint Mathematics Meetings, San Antonio, Texas, Co-Organizer (with Yu Jin) of Special Session on Applications of Dynamical Systems to Biological Models.
August 4-7, 2014, SIAM Conference on the Life Sciences, Sheraton Charlotte, Charlotte, North Carolina, Co-Organizer (with Guihong Fan) of Mini-Symposium on Recent Advances in Ecosystems and Disease Models.