Updated on 2023/02/08

写真a

 
OISHI-TOMIYASU Ryoko
 

Research Areas

  • Natural Science / Algebra

  • Natural Science / Basic mathematics

Degree

  • Ph. D (mathematical sciences), The University of Tokyo, 2010.09

 

Papers

  • A table of geometrical ambiguities in powder indexing obtained by exhaustive search, Acta Crystallographica Section A, 72 73-80, 2016

    Ryoko Oishi-Tomiyasu

    Single Author

  • Robust powder auto-indexing using many peaks, Journal of Applied Crystallography, 47 593-598, 2014

    Ryoko Oishi-Tomiyasu

    Single Author

  • Method to generate all the geometrical ambiguities of powder indexing solutions, Journal of Applied Crystallography, 47 2055-2059, 2014

    Ryoko Oishi-Tomiyasu

    Single Author

  • Reversed de Wolff figure of merit and its application to powder indexing solutions, Journal of Applied Crystallography, 46 1277-1282, 2013

    Ryoko Oishi-Tomiyasu

    Single Author

  • Distribution rules of systematic absences on the Conway topograph and their application to powder auto-indexing, Acta Crystallographica Section A, 69 603-610, 2013

    Ryoko Oishi-Tomiyasu

    Single Author

  • Application of matrix decomposition algorithms for singular matrices to Pawley method in Z-Rietveld, Journal of Applied Crystallography, 45 299-308, 2012

    R. Oishi-Tomiyasu, M. Yonemura, T. Morishima, A. Hoshikawa, S. Torii, T. Ishigaki, T. Kamiyama

    Multiple Authorship (Including Foreigners)

  • Rapid Bravais-lattice determination algorithm for lattice parameters containing large observation errors, Acta Crystallographica Section A, 68 525-535, 2012

    Ryoko Oishi-Tomiyasu

    Single Author

  • On some algebraic properties of CM-types of CM-fields and their reflexes, Journal of Number Theory, 2010

    Ryoko Oishi-Tomiyasu

    Single Author

  • New approach to the indexing of powder diffraction patterns using topographs, Zeitschrift fur Kristallographie Supplements, 30 15-20, 2009

    R. Oishi, M. Yonemura, T. Ishigaki, A. Hoshikawa, K. Mori, T. Morishima, S. Torii, T. Kamiyama

    Multiple Authorship (Including Foreigners)

  • Rietveld analysis software for J-PARC, Nuclear Instruments and Methods in Physics Research A, 600 94-96, 2009

    R. Oishi, M. Yonemura, Y. Nishimaki, S. Torii, A. Hoshikawa, T. Ishigaki, T. Morishima, K. Mori, T. Kamiyama

    Multiple Authorship (Including Foreigners)

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Review Papers

  • A mathematician's view of powder structure analysis and its uniqueness of solutions, 20(4) 274-280, 2010

Work

  • Powder indexing software Conograph, 2013 -

    Software

  • Peak search program for CONOGRAPH, 2013 -

    Software

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Young Scientists(B)，2010.04 - 2014.03，New approach towards ab-initio powder crystal structure determination using global optimization method