Xiaobai Sun

Professor of Computer Science

Numerical analysis, matrix theory, high-performance scientific computing, and parallel computing. Current Projects: Theory and algorithm development for large matrix computation problems arising in computational science and engineering.

Appointments and Affiliations

  • Professor of Computer Science

Contact Information

  • Email Address: xiaobai.sun@duke.edu

Education

  • Ph.D. University of Maryland, College Park, 1991

Courses Taught

  • STA 612D: Numerical Analysis
  • STA 612: Numerical Analysis
  • MATH 565D: Numerical Analysis
  • MATH 565: Numerical Analysis
  • MATH 462: Graph Analysis with Matrix Computation
  • COMPSCI 590: Advanced Topics in Computer Science
  • COMPSCI 521: Graph Analysis with Matrix Computation
  • COMPSCI 520D: Numerical Analysis
  • COMPSCI 520: Numerical Analysis
  • COMPSCI 393: Research Independent Study
  • COMPSCI 321: Graph Analysis with Matrix Computation

Representative Publications

  • Pitsianis, N., D. Floros, T. Liu, and X. Sun. “Parallel Clustering with Resolution Variation.” In 2023 IEEE High Performance Extreme Computing Conference, HPEC 2023, 2023. https://doi.org/10.1109/HPEC58863.2023.10363552.
  • Fu, Wanyi, Shobhit Sharma, Ehsan Abadi, Alexandros-Stavros Iliopoulos, Qi Wang, Joseph Y. Lo, Xiaobai Sun, William P. Segars, and Ehsan Samei. “Corrections to "iPhantom: A Framework for Automated Creation of Individualized Computational Phantoms and its Application to CT Organ Dosimetry".” IEEE J Biomed Health Inform 26, no. 1 (January 2022): 478. https://doi.org/10.1109/JBHI.2021.3130397.
  • Floros, D., T. Liu, N. Pitsianis, and X. Sun. “Fast Graph Algorithms for Superpixel Segmentation.” In 2022 IEEE High Performance Extreme Computing Conference, HPEC 2022, 2022. https://doi.org/10.1109/HPEC55821.2022.9926359.
  • Fu, Wanyi, Shobhit Sharma, Ehsan Abadi, Alexandros-Stavros Iliopoulos, Qi Wang, Joseph Y. Lo, Xiaobai Sun, William P. Segars, and Ehsan Samei. “iPhantom: A Framework for Automated Creation of Individualized Computational Phantoms and Its Application to CT Organ Dosimetry.” IEEE J Biomed Health Inform 25, no. 8 (August 2021): 3061–72. https://doi.org/10.1109/JBHI.2021.3063080.
  • Liu, T., D. Floros, N. Pitsianis, and X. Sun. “Digraph Clustering by the BlueRed Method.” In 2021 IEEE High Performance Extreme Computing Conference, HPEC 2021, 2021. https://doi.org/10.1109/HPEC49654.2021.9622834.