Umpei Nagashima

According to our database1, Umpei Nagashima authored at least 32 papers between 1990 and 2011.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.



In proceedings 
PhD thesis 




Theoretical study of the reversible photoconversion mechanism in Dronpa.
Proceedings of the International Conference on Computational Science, 2011

Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method.
Journal of Computational Chemistry, 2010

A filter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method.
J. Computational Applied Mathematics, 2010

Parallel Fock matrix construction program for molecular orbital calculation - Specific computer with a hierarchical network.
Journal of Computational Chemistry, 2009

A parallel method for large sparse generalized eigenvalue problems using a GridRPC system.
Future Generation Comp. Syst., 2008

De novo peptide sequencing using ion peak intensity and amino acid cleavage intensity ratio.
Bioinformatics, 2007

A Master-Worker Type Eigensolver for Molecular Orbital Computations.
Proceedings of the Applied Parallel Computing. State of the Art in Scientific Computing, 2006

Four-index integral transformation exploiting symmetry.
Computer Physics Communications, 2005

A Hybrid Parallel Method for Large Sparse Eigenvalue Problems on a Grid Computing Environment Using Ninf-G/MPI.
Proceedings of the Large-Scale Scientific Computing, 5th International Conference, 2005

Improvement of parallelization performance of GAMESS: Global sum and (semi-)direct integral calculation in multireference perturbation calculation.
Journal of Computational Chemistry, 2004

Design and Implementation of Intelligent Scheduler for Gaussian Portal on Quantum Chemistry Grid.
Proceedings of the Computational Science - ICCS 2003, 2003

A novel parallel algorithm for large-scale Fock matrix construction with small locally distributed memory architectures: RT parallel algorithm.
Journal of Computational Chemistry, 2002

Parallel molecular dynamics simulation of a protein.
Parallel Computing, 2001

Parallelization of multireference perturbation calculations with GAMESS.
Journal of Computational Chemistry, 2001

Design and implementation of FMPL, a fast message-passing library for remote memory operations.
Proceedings of the 2001 ACM/IEEE conference on Supercomputing, 2001

Increased Efficiency of Parallel Calculations of Fragment Molecular Orbitals by Using Fine-Grained Parallelization on a HITACHI SR8000 Supercomputer.
Proceedings of the High-Performance Computing and Networking, 9th International Conference, 2001

Performance Evaluation Model for Scheduling in Global Computing Systems.
IJHPCA, 2000

Collaboration of Parafrase-2 and NaraView for Effective Parallelization Supports.
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, 2000

Is large-scale ab initio Hartree-Fock calculation chemically accurate? Toward improved calculation of biological molecule properties.
Journal of Computational Chemistry, 1999

MOE: A Special-Purpose Parallel Computer for High-Speed, Large-Scale Molecular Orbital Calculation.
Proceedings of the ACM/IEEE Conference on Supercomputing, 1999

Overview of a Performance Evaluation System for Global Computing Scheduling Algorithms.
Proceedings of the Eighth IEEE International Symposium on High Performance Distributed Computing, 1999

Ninf and PM: Communication libraries for global computing and high-performance cluster computing.
Future Generation Comp. Syst., 1998

Ninflet: a migratable parallel objects framework using Java.
Concurrency - Practice and Experience, 1998

A Performance Evaluation Model for Effective Job Scheduling in Global Computing Systems.
Proceedings of the Seventh IEEE International Symposium on High Performance Distributed Computing, 1998

Utilizing the Metaserver Architecture in the Ninf Global Computing System.
Proceedings of the High-Performance Computing and Networking, 1998

Performance Evaluation of a Workstation Cluster, TMC CM-5, and Intel Paragon/XP Using a Parallel Homology Analysis Program.
Parallel Computing, 1997

Multi-client LAN/WAN Performance Analysis of Ninf: a High-Performance Global Computing System.
Proceedings of the ACM/IEEE Conference on Supercomputing, 1997

Ninf: A Network Based Information Library for Global World-Wide Computing Infrastructure.
Proceedings of the High-Performance Computing and Networking, 1997

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, 1996

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, 1995

Topological Twin Graphs. Smallest Pair of Isospectral Polyhedral Graphs with Eight Vertices.
Journal of Chemical Information and Computer Sciences, 1994

An improvement of I/O function for auxiliary storage: parallel I/O for a large scale supercomputing.
Proceedings of the 4th international conference on Supercomputing, 1990