2013

  • Papers
    1. Shinnosuke Yokota, Tetsuya Sakurai, “A projection method for nonlinear eigenvalue problems using contour integrals”, JSIAM Letters, 5, 41-44, 2013
    2. T. Hoshi, Y. Akiyama, T. Tanaka and T. Ohno, “Ten-million-atom electronic structure calculations on the K computer with a massively parallel order-N theory”, J. Phys. Soc. Jpn, 82, 023710, 4, 2013, (DOI:10.1016/j.cpc.2011.08.010)
    3. Akira Imakura, Tomohiro Sogabe and Shao-Liang Zhang, “An Efficient Variant of the Restarted Shifted GMRES Method for Solving Shifted Linear Systems”, Journal of Mathematical Research with Applications, 33, 2, 127-141, 2013
    4. Tetsuya Sakurai, Yasunori Futamura and Hiroto Tadano, “Efficient parameter estimation and implementation of a contour integral-based eigensolver”, J. Alg. Comput. Tech., (accepted)
    5. K. Yamamoto, Y. Maeda, Y. Futamura, T. Sakurai, “Adaptive Parallel Algorithm for Stochastic Estimation of Nonlinear Eigenvalue Density”, IPSJ Transactions on Advanced computing systems, 38, (accepted)
    6. Akiko Fukuda, Emiko Ishiwata, Yusaku Yamamoto, Masashi Iwasaki and Yoshimasa Nakamura, “Integrable discrete hungry systems and their related matrix eigenvalues”, Ann. Mat. Pura Appl., (to appear), (DOI: 10.1007/s10231-011-0231-0)
    7. D. Mori, Y. Yamamoto and S.-L. Zhang, “Backward error analysis of the AllReduce algorithm for householder QR decomposition”, Japan Journal of Industrial and Applied Mathematics, (to appear), (DOI: 10.1007/s13160-011-0053-x)
    8. A. Fukuda, Y. Yamamoto, M. Iwasaki, E. Ishiwata and Y. Nakamura, “On a shifted LR transformation derived from the discrete hungry Toda equation”, Monatshefte fur Mathematik, (to appear)
  • Invited talks
    1. T. Hoshi, “Novel Krylov-subspace algorithms for generalized shifted linear equations and ultra-large-scale quantum mechanical nano material simulation on the K computer”, The 9th East Asia SIAM Conference The 2nd Conference on Industrial and Applied Mathematics (EASIAM-CIAM 2013), Bandung, Indonesia, Jun. 2013
  • Oral presentations
    1. Dongjin Lee, Takafumi Miyata,Takeo Hoshi, Shao-Liang Zhang, “An interior eigenvalue problem and its numerical solution”, The 9th East Asia SIAM Conference & The 2nd Conference on Industrial and Applied Mathematics, The Newton Hotel, Bandung, West Java, Indonesia, Jun. 2013
    2. Yasunori Futamura, Tetsuya Sakurai, Shinnosuke Furuya and Jun-Ichi Iwata, “Density Functional Electronic Band Structure Calculations with a Complex Moment Based Eigensolver”, SIAM Conference on Computational Science and Engineering, Boston, MA, USA, Feb. 25, 2013
    3. Takeshi Fukaya and Yusaku Yamamoto, “Performance Evaluation and Tuning of Tall Skinny Type QR Factorization on the K Computer”, 2013 Conference on Advanced Topics and Auto Tuning in High Performance Scientific Computing, National Taiwan University, Taipei, Taiwan, Mar. 27-29, 2013
    4. Tetsuya Sakurai, Yasunori Futamura, Lei Du and Hiroto Tadano, “A Hierarchical Parallell Implementation of a Contour Integral-based Eigensolver on Trilinos”, SIAM conference on Computational Science and Engineering, Boston, MA, USA, Feb. 27, 2013
      Yasuyuki Maeda, Yasunori Futamura and Tetsuya Sakurai, “Parameter Auto-tuning for a Contour Integral based Eigensolver using Stochastic Estimation of Eigenvalue Count”, SIAM conference on Computational Science and Engineering, Boston, MA, USA, Feb. 27, 2013
    5. Takeshi Fukaya, Toshiyuki Imamura and Yusaku Yamamoto, “Performance Modeling of the Eigen-K Dense Eigensolver on Massively Parallel Machines”, SIAM Conference on Computational Science and Engineering (CSE13), The Westin Boston Waterfront, Boston, USA, Feb. 25-Mar. 1, 2013
    6. Tomohiro Sogabe, Shao-Liang Zhang, “An iterative method for solving complex symmetric generalized shifted linear systems with multiple right-hand sides”, 4th International Conference of Matrix Analysis and Applications (ICMAA2013), Dedeman Konya Hotel & Convention Center,Konya, Turkey, 2013
  • Poster presentations
    1. Lei Du, Yasunori Futamura, Tetsuya Sakurai, “Block conjugate gradient type methods for the approximation of bilinear form CHA-1B”, 2013 SIAM Conference on Computational Science and Engineering, The Westin Boston Waterfront, Boston, Massachusetts, USA, Feb. 25- Mar. 1, 2013