Parallelization of multireference perturbation calculations with GAMESS. - Hiroaki Umeda; Shiro Koseki; Umpei Nagashima; Michael W. Schmidt (J. Comput. Chem., 2001)

Improvement of parallelization performance of GAMESS: Global sum and (semi-)direct integral calculation in multireference perturbation calculation. - Hiroaki Umeda; Shiro Koseki; Umpei Nagashima (J. Comput. Chem., 2004)

A Hybrid Parallel Method for Large Sparse Eigenvalue Problems on a Grid Computing Environment Using Ninf-G/MPI. - Tetsuya Sakurai; Yoshihisa Kodaki; Hiroaki Umeda; Yuichi Inadomi; Toshio Watanabe; Umpei Nagashima (LSSC, 2005)

Full Electron Calculation Beyond 20, 000 Atoms: Ground Electronic State of Photosynthetic Proteins. - Tsutomu Ikegami; Toyokazu Ishida; Dmitri G. Fedorov; Kazuo Kitaura; Yuichi Inadomi; Hiroaki Umeda; Mitsuo Yokokawa; Satoshi Sekiguchi (SC, 2005)

Discretization of Continuous-Time Controllers Based on the Hilbert-Schmidt Norm of the Sampled-Data Frequency Response. - Tomomichi Hagiwara; Hiroaki Umeda; Masashi Sawada (CDC, 2006)

A Master-Worker Type Eigensolver for Molecular Orbital Computations. - Tetsuya Sakurai; Yoshihisa Kodaki; Hiroto Tadano; Hiroaki Umeda; Yuichi Inadomi; Toshio Watanabe; Umpei Nagashima (PARA, 2006)

Robust stability analysis of sampled-data systems with noncausal periodically time-varying scaling: Optimization of scaling via approximate discretization and error bound analysis. - Tomomichi Hagiwara; Hiroaki Umeda (CDC, 2007)

Modified Fast-sample/Fast-hold Approximation for Sampled-data System Analysis. - Tomomichi Hagiwara; Hiroaki Umeda (Eur. J. Control, 2008)

Parallel Fock matrix construction program for molecular orbital calculation - Specific computer with a hierarchical network. - Hiroaki Umeda; Yuichi Inadomi; Hiroaki Honda; Umpei Nagashima (J. Comput. Chem., 2009)

Fragment molecular orbital study of the electronic excitations in the photosynthetic reaction center of Blastochloris viridis. - Tsutomu Ikegami; Toyokazu Ishida; Dmitri G. Fedorov; Kazuo Kitaura; Yuichi Inadomi; Hiroaki Umeda; Mitsuo Yokokawa; Satoshi Sekiguchi (J. Comput. Chem., 2010)

Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method. - Hiroaki Umeda; Yuichi Inadomi; Toshio Watanabe; Toru Yagi; Takayoshi Ishimoto; Tsutomu Ikegami; Hiroto Tadano; Tetsuya Sakurai; Umpei Nagashima (J. Comput. Chem., 2010)