Sun Qiyu

Qiyu Sun
Sun Qiyu (孙颀彧)

Professor

E-mail Address: qiyu.sun@ucf.edu

Mailing Address:

Department of Mathematics
University of Central Florida
Orlando, FL 32816, USA

Phone and Fax Numbers:

Phone: US 407-823-4839
Fax: US 407-823-6253

Teaching

MAP2302H, Ordinary Differential Equations  (Spring 2025)

MAP4371,  Numerical Methods for Differential Equations (Spring 2025)

Publications

Research Activities

  • Ranked at 226562 (2025) and 187539 (career) in the World’s Top 2% Scientists Network (2025) , 09/2025.
  • Gave a colloquium talk at Department of Mathematics, University of Idaho, on Carleman meets Taylor and Fourier,  September 25, 2025.
  • Cong Zheng passed the dissertation defense. Her dissertation is “Carleman Linearization of Dynamical Systems, and Graph Inverse and Wiener Filtering”. She is under my supervision.
  • Seok-Young Chung passed the dissertation defense. His dissertation is “POSITIVITY AND INVARIANCE: FROM RADIAL BASIS FUNCTIONS TO GRAPH SIGNAL SPACES”.  He is under the supervision of Professor Mourad Ismail with my co-supervision. He accepted a post-doctoral position at the Michigan State University after graduation.
  • Give  talks at Guilin University of Science and Technology,  Beijing Normal University, Beijing University of Technology, Dalian University of Technology, Nixia Minzu University, Qidao University,  Zhejiang Normal University and Zhejiang University of Science and Technology, May-June 2025.
  • Ranked 2813 in the world and 1071 in United States  in the 2025 Edition of our Ranking of Top Scientists in the field of Mathematics by Research.com  https://research.com/scientists-rankings/mathematics
  • Give a talk IEEE SPS Webinar: Graph Fourier Transform for Directed Graphs, March 28, 2025. Slide
  • Give a talk on Carleman-Fourier linearization at the Southeastern Analysis Meeting (SEAM 41), University of South Florida, March 21-23, 2025
  • Give a talk at Department of Mathematics, Chung-Ang University, March 17, 2025.
  • Give talk  at Analysis Seminar, University of Central Florida, January 24, 2025.
  • Panpan Chen (PhD, 2024)  passed the dissertation defense. Her dissertation is “Carleman Linearization for nonlinear systems and their explicit error bounds”.  She is co-supervised with Professor Yuanwei Qi. She accepted a post-doctoral position at the University of Central Florida after graduation.
  • Give a talk at One World MINDS Seminar,  Feb 15, 2024. The recorded video can be found at youtube
  • Given a virtual talk on Distributed algorithms for graph inverse filtering and wiener filtering, graph signal processing at the Workshop on Manifold and Graph-Based Learning
    May 16 – 20, 2022, The Fields Institute. Video Record on Youtube
  • Gave  a virtual Faraway Fourier Talk at The Norbert Wiener Center on Harmonic Analysis and Applications, January 4, 2021.  Slides  Video Record on YouTube
  • Join the editorial board of Journal of Fourier Analysis and Applications.
  • Nazar Emirov (PhD, 2020)  passed the dissertation defense. His dissertation is “Distributed algorithms and inverse graph filtering”.  He accepted a post-doctoral position at Boston College after graduation.
  • Attend the SIAM SIAM Conference on Control and Its Applications (CT19) , June 19 – 21, 2019
    at Chengdu, China and accept the 2019 SIAG/CST Best SICON Paper Prize for the paper “Sparsity and Spatial Localization Measures for Spatially Distributed Systems,” SICON 55-1 (2017), pp. 200-235, to recognize  for making “a fundamental contribution to spatially distributed systems theory, showing in particular that quadratically optimal state feedback controllers for spatially decaying systems are sparse and spatially localized.” The SIAG/CST Best SICON Paper Prize is awarded to the author(s) of the two most outstanding papers, as determined by the prize committee, published in the SIAM Journal on Control and Optimization (SICON) in the three calendar years preceding the award year. 
  • Cheng Cheng (PhD 2017) will be a postdoctoral Associate at  Duke University and SAMSI. She is supervised by Xin Li with my co-supervision.
  • Syed Alam Abbas (PhD 2017)  will be a postdoctoral research at University of New Mexico. He is supervised by Hassan Foroosh with my co-supervision.
  • Aritra Dutta (PhD 2016)  will be a Postdoctoral Researcher at the University of Edinburgh, with joint affiliation at the Visual Computing Center in KAUST, Saudi Arabia. Dr. Aritra Dutta is supervised by Xin Li with my co-supervision.
  • More  >>>

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