Publications

Preprints/submitted papers

  • D. Kim and J. A. Fessler,
    Optimizing the efficiency of first-order methods for decreasing the gradient of smooth convex functions.
    [arXiv version]

  • K. Kim, D. Kim, J. Yang, G. El Fakhri, Y. Seo, J. A. Fessler, and Q. Li,
    Time of flight PET reconstruction using non-uniform update for regional recovery uniformity.

  • D. Kim and J. A. Fessler,
    Fast dual proximal gradient algorithms with rate O(1/k^{1.5}) for convex minimization.
    [arXiv version]

Journal papers

Conference proceeding papers

Conference abstracts

  • D. Kim and J. A. Fessler,
    Optimized first-order method for decreasing gradient of smooth convex functions,
    Intl. Symp. Math. Prog., 2018.

  • D. Kim and J. A. Fessler,
    Improving the optimized gradient method for large-scale convex optimization,
    SIAM Conf. Optim., 2017.

  • D. Kim and J. A. Fessler,
    Optimized gradient methods for smooth convex minimization,
    Intl. Symp. Math. Prog., 2015.

  • D. Kim and J. A. Fessler,
    Optimized momentum steps for accelerating low-dose X-ray CT image reconstruction,
    Gordon Conf. on Imaging Science, 2014.