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

  • 5 Similar Profiles
Powders Chemical Compounds
diffractometers Physics & Astronomy
Diffraction patterns Chemical Compounds
computer programs Physics & Astronomy
Japan Physics & Astronomy
Neutrons Engineering & Materials Science
diffraction patterns Physics & Astronomy
Maximum entropy methods Chemical Compounds

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Research Output 2009 2018

  • 403 Citations
  • 7 h-Index
  • 16 Article
  • 1 Comment/debate
  • 1 Conference article

A new mathematical approach to finding global solutions of the magnetic structure determination problem

Tomiyasu, K., Tomiyasu, R., Matsuda, M. & Matsuhira, K., Dec 1 2018, In : Scientific reports. 8, 1, 16228.

Research output: Contribution to journalArticle

Open Access
Neutron Diffraction
Mathematics
Physics

Z-MEM, Maximum Entropy Method software for electron/nuclear density distribution in Z-Code

Ishikawa, Y., Zhang, J., Kiyanagi, R., Yonemura, M., Matsukawa, T., Hoshikawa, A., Ishigaki, T., Torii, S., Oishi-Tomiyasu, R. & Kamiyama, T., Dec 15 2018, In : Physica B: Condensed Matter. 551, p. 472-475 4 p.

Research output: Contribution to journalArticle

Maximum entropy methods
maximum entropy method
density distribution
computer programs
Electrons
1 Citation (Scopus)

Application of convex optimization to identification of atomic species from diffraction patterns

Tomiyasu, R., Sep 1 2017, In : Powder Diffraction. 32, S1, p. S179-S185

Research output: Contribution to journalArticle

Convex optimization
Diffraction patterns
diffraction patterns
Crystal structure
quadratic equations
2 Citations (Scopus)

New functions and graphical user interface attached to powder indexing software

Esmaeili, A., Kamiyamaa, T. & Tomiyasu, R., Jan 1 2017, In : Journal of Applied Crystallography. 50, p. 651-659 9 p.

Research output: Contribution to journalArticle

Graphical user interfaces
Powders
Software
2 Citations (Scopus)
Powders
ambiguity
cells
Software
computer programs