Umpei Nagashima

2009
25	EE	Hiroaki Umeda, Yuichi Inadomi, Hiroaki Honda, Umpei Nagashima: Parallel Fock matrix construction program for molecular orbital calculation - Specific computer with a hierarchical network. Journal of Computational Chemistry 30(5): 826-831 (2009)
2008
24	EE	Tetsuya Sakurai, Yoshihisa Kodaki, Hiroto Tadano, Daisuke Takahashi, Mitsuhisa Sato, Umpei Nagashima: A parallel method for large sparse generalized eigenvalue problems using a GridRPC system. Future Generation Comp. Syst. 24(6): 613-619 (2008)
2007
23	EE	Mitsuhiro Kanazawa, Hisae Anyoji, Atsushi Ogiwara, Umpei Nagashima: De novo peptide sequencing using ion peak intensity and amino acid cleavage intensity ratio. Bioinformatics 23(9): 1068-1072 (2007)
2006
22	EE	Tetsuya Sakurai, Yoshihisa Kodaki, Hiroto Tadano, Hiroaki Umeda, Yuichi Inadomi, Toshio Watanabe, Umpei Nagashima: A Master-Worker Type Eigensolver for Molecular Orbital Computations. PARA 2006: 617-625
2005
21	EE	Tetsuya Sakurai, Yoshihisa Kodaki, Hiroaki Umeda, Yuichi Inadomi, Toshio Watanabe, Umpei Nagashima: A Hybrid Parallel Method for Large Sparse Eigenvalue Problems on a Grid Computing Environment Using Ninf-G/MPI. LSSC 2005: 438-445
20	EE	Shigeyoshi Yamamoto, Umpei Nagashima: Four-index integral transformation exploiting symmetry. Computer Physics Communications 166(1): 58-65 (2005)
2004
19	EE	Hiroaki Umeda, Shiro Koseki, Umpei Nagashima: Improvement of parallelization performance of GAMESS: Global sum and (semi-)direct integral calculation in multireference perturbation calculation. Journal of Computational Chemistry 25(9): 1175-1183 (2004)
2003
18	EE	Takeshi Nishikawa, Umpei Nagashima, Satoshi Sekiguchi: Design and Implementation of Intelligent Scheduler for Gaussian Portal on Quantum Chemistry Grid. International Conference on Computational Science 2003: 244-253
2002
17	EE	Hajime Takashima, So Yamada, Shigeru Obara, Kunihiro Kitamura, Shinjiro Inabata, Nobuaki Miyakawa, Kazutoshi Tanabe, Umpei Nagashima: A novel parallel algorithm for large-scale Fock matrix construction with small locally distributed memory architectures: RT parallel algorithm. Journal of Computational Chemistry 23(14): 1337-1346 (2002)
2001
16	EE	Yuichi Inadomi, Tatsuya Nakano, Kazuo Kitaura, Umpei Nagashima: Increased Efficiency of Parallel Calculations of Fragment Molecular Orbitals by Using Fine-Grained Parallelization on a HITACHI SR8000 Supercomputer. HPCN Europe 2001: 569-572
15	EE	Osamu Tatebe, Umpei Nagashima, Satoshi Sekiguchi, Hisayoshi Kitabayashi, Yoshiyuki Hayashida: Design and implementation of FMPL, a fast message-passing library for remote memory operations. SC 2001: 15
14	EE	Hiroaki Umeda, Shiro Koseki, Umpei Nagashima, Michael W. Schmidt: Parallelization of multireference perturbation calculations with GAMESS. Journal of Computational Chemistry 22(12): 1243-1251 (2001)
13		Yuto Komeiji, Makoto Haraguchi, Umpei Nagashima: Parallel molecular dynamics simulation of a protein. Parallel Computing 27(8): 977-987 (2001)
2000
12		Masayo Haneda, Mariko Sasakura, Umpei Nagashima, Yoshitoshi Kunieda, Kazuki Joe: Collaboration of Parafrase-2 and NaraView for Effective Parallelization Supports. PDPTA 2000
1999
11	EE	Atsuko Takefusa, Satoshi Matsuoka, Hidemoto Nakada, Kento Aida, Umpei Nagashima: Overview of a Performance Evaluation System for Global Computing Scheduling Algorithms. HPDC 1999
10	EE	Hajime Takashima, Kunihiro Kitamura, Kazutoshi Tanabe, Umpei Nagashima: Is large-scale ab initio Hartree-Fock calculation chemically accurate? Toward improved calculation of biological molecule properties. Journal of Computational Chemistry 20(4): 443-454 (1999)
1998
9		Hidemoto Nakada, Hiromitsu Takagi, Satoshi Matsuoka, Umpei Nagashima, Mitsuhisa Sato, Satoshi Sekiguchi: Utilizing the Metaserver Architecture in the Ninf Global Computing System. HPCN Europe 1998: 607-616
8	EE	Kento Aida, Atsuko Takefusa, Hidemoto Nakada, Satoshi Matsuoka, Umpei Nagashima: A Performance Evaluation Model for Effective Job Scheduling in Global Computing Systems. HPDC 1998: 352-353
7		Hiromitsu Takagi, Satoshi Matsuoka, Hidemoto Nakada, Satoshi Sekiguchi, Mitsuhisa Sato, Umpei Nagashima: Ninflet: a migratable parallel objects framework using Java. Concurrency - Practice and Experience 10(11-13): 1063-1078 (1998)
1997
6		Mitsuhisa Sato, Hidemoto Nakada, Satoshi Sekiguchi, Satoshi Matsuoka, Umpei Nagashima, Hiromitsu Takagi: Ninf: A Network Based Information Library for Global World-Wide Computing Infrastructure. HPCN Europe 1997: 491-502
5		Satoko Sakata, Umpei Nagashima, Mitsuhisa Sato, Satoshi Sekiguchi, Haruo Hosoya: Performance Evaluation of a Workstation Cluster, TMC CM-5, and Intel Paragon/XP Using a Parallel Homology Analysis Program. Parallel Computing 22(12): 1677-1693 (1997)
1996
4	EE	Yoshimi Isu, Umpei Nagashima, Tomoo Aoyama, Haruo Hosoya: Development of Neural Network Simulator for Structure-Activity Correlation of Molecules (NECO). Prediction of Endo/Exo Substitution of Norbornane Derivatives and of Carcinogenic Activity of PAHs from 13C-NMR Shifts. Journal of Chemical Information and Computer Sciences 36(2): 286-293 (1996)
1995
3		Umpei Nagashima, Sachiko Hyugaji, Satoshi Sekiguchi, Mitsuhisa Sato, Haruo Hosoya: An Experience with Super-Linear Speedup Achieved by Parallel Computing on a Workstation Cluster: Parallel Calculation of Density of States of Large Scale Cyclic Polyacenes. Parallel Computing 21(9): 1491-1504 (1995)
1994
2	EE	Haruo Hosoya, Umpei Nagashima, Sachiko Hyugaji: Topological Twin Graphs. Smallest Pair of Isospectral Polyhedral Graphs with Eight Vertices. Journal of Chemical Information and Computer Sciences 34(2): 428-431 (1994)
1990
1	EE	Umpei Nagashima, Fumio Nishimoto, Takashi Shibata, Hiroshi Itoh, Minoru Gotoh: An improvement of I/O function for auxiliary storage: parallel I/O for a large scale supercomputing. ICS 1990: 48-59

Coauthor Index

1	Kento Aida	[8] [11]
2	Hisae Anyoji	[23]
3	Tomoo Aoyama	[4]
4	Minoru Gotoh	[1]
5	Masayo Haneda	[12]
6	Makoto Haraguchi	[13]
7	Yoshiyuki Hayashida	[15]
8	Hiroaki Honda	[25]
9	Haruo Hosoya	[2] [3] [4] [5]
10	Sachiko Hyugaji	[2] [3]
11	Shinjiro Inabata	[17]
12	Yuichi Inadomi	[16] [21] [22] [25]
13	Yoshimi Isu	[4]
14	Hiroshi Itoh	[1]
15	Kazuki Joe	[12]
16	Mitsuhiro Kanazawa	[23]
17	Hisayoshi Kitabayashi	[15]
18	Kunihiro Kitamura	[10] [17]
19	Kazuo Kitaura	[16]
20	Yoshihisa Kodaki	[21] [22] [24]
21	Yuto Komeiji	[13]
22	Shiro Koseki	[14] [19]
23	Yoshitoshi Kunieda	[12]
24	Satoshi Matsuoka	[6] [7] [8] [9] [11]
25	Nobuaki Miyakawa	[17]
26	Hidemoto Nakada	[6] [7] [8] [9] [11]
27	Tatsuya Nakano	[16]
28	Takeshi Nishikawa	[18]
29	Fumio Nishimoto	[1]
30	Shigeru Obara	[17]
31	Atsushi Ogiwara	[23]
32	Satoko Sakata	[5]
33	Tetsuya Sakurai	[21] [22] [24]
34	Mariko Sasakura	[12]
35	Mitsuhisa Sato	[3] [5] [6] [7] [9] [24]
36	Michael W. Schmidt	[14]
37	Satoshi Sekiguchi	[3] [5] [6] [7] [9] [15] [18]
38	Takashi Shibata	[1]
39	Hiroto Tadano	[22] [24]
40	Hiromitsu Takagi	[6] [7] [9]
41	Daisuke Takahashi	[24]
42	Hajime Takashima	[10] [17]
43	Atsuko Takefusa	[8] [11]
44	Kazutoshi Tanabe	[10] [17]
45	Osamu Tatebe	[15]
46	Hiroaki Umeda	[14] [19] [21] [22] [25]
47	Toshio Watanabe	[21] [22]
48	So Yamada	[17]
49	Shigeyoshi Yamamoto	[20]

Colors in the list of coauthors