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Fingerprint Dive into the research topics where Katsuhisa Ozaki is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Linear systems Engineering & Materials Science
Digital arithmetic Engineering & Materials Science
Computational geometry Engineering & Materials Science
Enclosures Engineering & Materials Science
Linear algebra Engineering & Materials Science
Experiments Engineering & Materials Science
Switches Engineering & Materials Science
Java programming language Engineering & Materials Science

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Research Output 2004 2019

  • 107 Citations
  • 5 h-Index
  • 56 Article
  • 4 Conference contribution
  • 2 Conference article

Extension of floating-point filters to absolute and relative errors for numerical computation

Ohta, Y. & Ozaki, K., 2019 May 31, In : Journal of Physics: Conference Series. 1218, 1, 012011.

Research output: Contribution to journalConference article

Open Access
floating
computational geometry
filters
determinants
matrices

Verified numerical computations for dense linear systems in supercomputing

Ozaki, K., 2019 May 31, In : Journal of Physics: Conference Series. 1218, 1, 012014.

Research output: Contribution to journalConference article

Open Access
linear systems
algebra
supercomputers
products
1 Citation (Scopus)

Threaded accurate matrix-matrix multiplications with sparse matrix-vector multiplications

Ichimura, S., Katagiri, T., Ozaki, K., Ogita, T. & Nagai, T., 2018 Aug 3, Proceedings - 2018 IEEE 32nd International Parallel and Distributed Processing Symposium Workshops, IPDPSW 2018. Institute of Electrical and Electronics Engineers Inc., p. 1093-1102 10 p. 8425535

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear algebra
Computer architecture
Supercomputers
Performance evaluation

Acceleration of a preconditioning method for ill-conditioned dense linear systems by use of a BLAS-based method

Kobayashi, Y., Ogita, T. & Ozaki, K., 2017, In : Reliable Computing. 25, p. 15-23 9 p.

Research output: Contribution to journalArticle

Linear systems
Digital arithmetic
Factorization
Experiments

Generation of linear systems with specified solutions for numerical experiments

Ozaki, K. & Ogita, T., 2017, In : Reliable Computing. 25, p. 148-167 20 p.

Research output: Contribution to journalArticle

Linear systems
Experiments