Hiraoka Yasuaki

J-GLOBAL         Last updated: Jul 26, 2019 at 14:47
 
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Name
Hiraoka Yasuaki
URL
https://sites.google.com/site/yasuakihiraoka/
Affiliation
Kyoto University
ORCID ID
0000-0002-1023-2687

Research Areas

 
 

Academic & Professional Experience

 
Apr 2018
 - 
Today
Professor, Kyoto University Institute for Advanced Study, Kyoto University
 
Jul 2016
 - 
Mar 2018
Professor, Advanced Institute for Materials Research (AIMR), Tohoku University
 
Apr 2015
 - 
Jun 2016
Associate Professor, Advanced Institute for Materials Research (AIMR), Tohoku University
 
Apr 2011
 - 
Mar 2015
Associate Professor, Institute of Mathematics for Industry, Kyushu University
 
Mar 2011
 - 
Mar 2011
Associate Professor, Faculty of Mathematics, Kyushu University
 
Apr 2009
 - 
Feb 2011
Associate Professor, Department of Mathematical and Life Sciences,Graduate School of Science, Hiroshima University
 
Apr 2006
 - 
Mar 2009
Assistant Professor, Department of Mathematical and Life Sciences, Graduate School of Science, Hiroshima University
 
Mar 2006
 - 
Mar 2009
Assistant Professor, Hiroshima University
 
Apr 2005
 - 
Feb 2006
PD, Research Institute for Electronic Science, Hokkaido University
 

Education

 
 
 - 
Mar 2005
Graduate School of Engineering Science (DC), Osaka University
 
 
 - 
Mar 2002
Graduate School of Engineering Science (MC), Osaka University
 
 
 - 
Mar 2000
School of Engineering, Osaka University
 

Awards & Honors

 
Dec 2016
NISTEP Award (The Researchers with Nice Step), National Institute of Science and Technology Policy
 

Published Papers

 
Hepatic tumor classification using texture and topology analysis of non-contrast-enhanced three-dimensional T1-weighted MR images with a radiomics approach
A. Oyama, Y. Hiraoka, I. Obayashi, Y. Saikawa, S. Furui, K. Shiraishi, S. Kumagai, T. Hayashi, and J. Kotoku
Scientific Reports   9 8764   2019   [Refereed]
Ultrahigh-pressure form of SiO2 glass with dense pyrite-type crystalline homology
M. Murakami, S. Kohara, N. Kitamura, J. Akola, H. Inoue, A. Hirata, Y. Hiraoka, Y. Onodera, I. Obayashi, J. Kalikka, N. Hirao, T. Musso, A. S. Foster, Y. Idemoto, O. Sakata, and Y. Ohishi
PHYSICAL REVIEW B   99 045153   2019   [Refereed]
Limit theorems for persistence diagrams
T. K. Duy, Y. Hiraoka, and T. Shirai
Ann. Appl. Probab.   28(5) 2740-2780   2018   [Refereed]
Matrix Method for Persistence Modules on Commutative Ladders of Finite Type
H. Asashiba, E. G. Escolar, Y. Hiraoka, H. Takeuchi
Japan J. Indust. Appl. Math.   1-34   2018   [Refereed]
Kernel method for persistence diagrams via kernel embedding and weight factor
G. Kusano, K. Fukumizu, and Y. Hiraoka
Journal of Machine Learning Research   18 1-41   2018   [Refereed]
Persistence Diagrams with Linear Machine Learning Models
I. Obayashi, Y. Hiraoka, M. Kimura
J. Appl. and Comput. Topology   1 421-449   2018   [Refereed]
Limit theorems for random cubical homology
Y. Hiraoka and K. Tsunoda
Discrete Computational Geometry   60(3) 665-687   2018   [Refereed]
Non-empirical identification of trigger sites in heterogeneous processes using persistent homology
M. Kimura, I. Obayashi, Y. Takeichi, R. Murao and Y. Hiraoka
Scientific Reports   8 3553   2018   [Refereed]
Persistent homology and materials informatics
M. Buchet, Y. Hiraoka, and I. Obayashi
Nanoinformatics   75-95   2018
Chemical state mapping of heterogeneous reduction of iron ore sinter
M. Kimura, Y. Takeichi, R. Murao, I. Obayashi, Y. Hiraoka, Y. Liu
Journal of Physics: Conf. Series   849 012015   2017   [Refereed]
A cyclone identification algorithm with persistent homology and merge-tree
Inatsu, M., H. Kato, Y. Katsuyama, Y. Hiraoka, and I. Obayashi
Scientific Online Letters on the Atmosphere   13 214-218   2017   [Refereed]
Order in Disorder: Persistent Homology and Its Applications
Hiraoka Yasuaki and Yasumasa Nishiura
日本物理学会誌「交流」   72(9) 632-640   2017   [Refereed]
Pore configuration landscape of granular crystallisation
Mohammad Saadatfar, Hiroshi Takeuchi, Nicolas Francois, Vanessa Robins, and Yasuaki Hiraoka
Nature Communications   8 15082   2017   [Refereed]
Persistent homology analysis of craze formation
T. Ichinomiya, I. Obayashi, and Y. Hiraoka
Physical Review E   95(1) 012504   2017   [Refereed]
Y. Hiraoka and T. Shirai.
Random Structures and Algorithms.   315-340   2017   [Refereed]
Tutte polynomials and random-cluster models in Bernoulli cell complexes.
Y. Hiraoka and T. Shirai.
RIMS Kokyuroku Bessatsu.   B59 289-304   2016   [Refereed]
E. Escolar and Y. Hiraoka.
Mathematical Challenge in a New Phase of Materials Science,Springer Proceedings in Mathematics and Statistics   69-82   2016
E. Escolar and Y. Hiraoka.
Discrete & Computational Geometry   55 100-157   2016
M. Gameiro, Y. Hiraoka, I. Obayashi.
Physica D: Nonlinear Phenomena,   334 118-132   2016
Y. Hiraoka and G. Kusano.
Japan J. Indust. Appl. Math.   33 99-120   2016
Topological Data Analysis.
Y. Hiraoka.
The Brain & Neural Networks   23(2) 55-59   2016
Persistence weighted Gaussian kernel for topological data analysis.
G. Kusano, K. Fukumizu, and Y. Hiraoka.
JMLR: W&CP   48 2004-2013   2016
Y. Hiraoka, T. Nakamura, A. Hirata, E. G. Escolar, K. Matsue, and Y. Nishiura.
Proceedings of the National Academy of Sciences of the United States of America   113 7035-7040   2016
M. Gameiro, Y. Hiraoka, S. Izumi, M. Kramar, K. Mischaikow, and V. Nanda.
Japan J. Indust. Appl. Math   32 1-17   2015
Optimal Cycles for Persistent Homology via Linear Programming.
Emerson G. Escolar and Yasuaki Hiraoka
Optimization in the Real World --Towards Solving Real-World Optimization Problems--. Mathematics for Industry,   79-96   2015
T. Nakamura, Y. Hiraoka, A. Hirata, E. G. Escolar, and Y. Nishiura.
Nanotechnology   26 304001   2015
Computing Optimal Cycles of Homology Groups.
E. Escolar and Y. Hiraoka
A Mathematical Approach to Research Problems of Science and Technology - Theoretical Basis and Developments in Mathematical Modeling,   101-118   2014
Morse Reduction for Zigzag Complexes.
E. Escolar and Y. Hiraoka.
J. Indones. Math. Soc.   20(2014) 47-75   2014
E. Escolar and Y. Hiraoka.
Lecture Notes in Computer Science   8592 144-151   2014
K. Hayashi and Y. Hiraoka
Japan J. Indust. Appl. Math.   29 37-62   2012
Algebraic Structures in Rational Maps of Maximum Likelihood Decodings
Y. Hiraoka
IEICE Technical Report IT2012-42   (2012-09) 65-68   2012
A dynamical system approach to coding theory: Rational map and maximum likelihood decodings
林和則,平岡裕章
(RIMS Kokyuroku)   1742(力学系 ー理論から応用へ、応用から理論へー) 158-164   2011
Applications of Sheaf Cohomology and Exact Sequences to Network Coding
R. Ghrist and Y. Hiraoka
(RIMS Kokyuroku)   1752(諸分野との協働による数理科学のフロンティア) 31-40   2011
Z. Arai, K. Hayashi, and Y. Hiraoka
Japan J. Indust. Appl. Math   28 237-250   2011
Network Codings and Sheaf Cohomology,
R. Ghrist and Y. Hiraoka
NOLTA 2011   266-269   2011
Remarks on collision manifolds and nonexistence of non self-similar collision solutions in the 3-vortex problem
Y. Hiraoka
RIMS Kokyuroku Bessatsu   B13 35-43   2009
Y. Hiraoka and Y. Kodama
Lecture Notes in Physics   767 175-214   2009
NC2008-4
Y. Hiraoka, Z. Arai, K. Hayashi
IEICE Technical Report   17-22   2008
WBS2008-65
Y. Hiraoka, Z. Arai, K. Hayashi
IEICE Technical Report   51-56   2008
Y. Hiraoka and T. Ogawa
J. Comput. Appl. Math.   199 238-244   2007
Homotopy reduction of complex networks
Y. Hiraoka and T. Ichinomiya
Proceedings of the International Symposium on Topological Aspects of Critical Systems and Networks   18-23   2007
Rigorous numerics for symmetric homoclinic orbits in reversible dynamical systems
Y. Hiraoka
Kybernetika   43 797-806   2007
Construction of approximate solutions for rigorous numerics of symmetric homoclinic orbits
Y. Hiraoka
RIMS Kokyuroku Bessatsu   B3 11-23   2007
Localized patterns in space reversible systems
Y. Hiraoka
(RIMS Kokyuroku)   1498(反応拡散系に現れる時・空間パターンのメカニズム) 113-127   2006
S. Day, Y. Hiraoka, K. Mischaikow, and T. Ogawa
SIAM J. Appl. Dynm. Sys.   4 1-31   2005
Rigorous numerics for localized patterns to the quintic Swift-Hohenberg equation
Y. Hiraoka and T. Ogawa
Japan J. Indust. Appl. Math.   22 57-75   2005
Conley index and numerical verification
Y. Hiraoka
Proceedings of Czech-Japanese Seminar in Applied Mathematics 2004   47-56   2004
Algebraic Structure and Approximations of Bit-wise Maximum Likelihood Decodings of Linear Codes, in preparation.
K. Hayashi and Y. Hiraoka.

Conference Activities & Talks

 
Introduction on geometry and topology in data analysis [Invited]
Hiraoka Yasuaki
ICIAM 2019   15 Jul 2019   
Topological data analysis in materials science: An application of commutative ladder persistence. [Invited]
Hiraoka Yasuaki
SIAM Conference on Applied Algebraic Geometry   11 Jul 2019   
Persistent homology and its applications in materials science [Invited]
Hiraoka Yasuaki
Workshop "Computational Applications of Quiver Representations: TDA and QPA   2 May 2019   
Topological data analysis in materials science [Invited]
Hiraoka Yasuaki
Workshop on Data Driven Dynamics: Algebraic Topology, Combinatorics and Analysis   15 Apr 2019   
Topological data analysis towards human biology [Invited]
Hiraoka Yasuaki
Kick-off symposium of ASHBi   11 Mar 2019   
Topological data analysis on materials science and several problems in random topology [Invited]
Hiraoka Yasuaki
XXI BRAZILIAN TOPOLOGY MEETING   17 Aug 2018   
Topological Data Analysis in Materials Science [Invited]
Hiraoka Yasuaki
SIAM Conference on Mathematical Aspects of Materials Science   13 Jul 2018   
Limit theorems and percolations in random cubical Homology [Invited]
Hiraoka Yasuaki
Algebraic Topology in Data and Dynamics 2018   Jul 2018   
Topological data analysis and persistent homology [Invited]
Hiraoka Yasuaki
13th SIAM East Asian Section Conference 2018   Jun 2018   
Topological data analysis and persistent homology [Invited]
Hiraoka Yasuaki
RIKKYO MathPhys 2018   13 Mar 2018   
Machine learnings on persistence diagrams and materials structural analysis [Invited]
Hiraoka Yasuaki
Joint Mathematics Meetings   10 Jan 2018   
Materials TDA and random-statistical topology [Invited]
Hiraoka Yasuaki
Applied Algebraic Topology 2017   8 Aug 2017   
Topological Data Analysis on Materials Science [Invited]
Hiraoka Yasuaki
SoCG 2017   Jul 2017   
Limit theorem for persistence diagrams and related topics [Invited]
Hiraoka Yasuaki
Applied Topology in Bedlewo 2017   Jun 2017   
Limit theorem for persistence diagrams and related topics [Invited]
Hiraoka Yasuaki
Applied and Computational Algebraic Topology   2 May 2017   
Topological data analysis on materials science [Invited]
Hiraoka Yasuaki
The AIMR International Symposium 2017   12 Feb 2017   
Persistence Diagrams in Probability and Statistics: From Materials TDA Viewpoints.
Stochastic Topology and Thermodynamic Limits.   Oct 2016   
Persistence Diagrams in Probability and Statistics: From Materials TDA Viewpoints.
Algebraic Topology: Computation, Methods, and Science 7th Edition:   Jul 2016   
Topological Data Analysis on Materials Science: Statistical Characterization of Glass Transition.
5th Mini-Symposium on Computational Topology. SoCG 2016,   Jun 2016   
Topological data analysis and persistent homology (1), (2).
Applications of Algebraic Methods to Statistics.   Jun 2016   
The lifetime sum and the Tutte polynomial in Bernoulli cell complexes.
Workshop on Random and Statistical Topology.   Feb 2016   
Introduction to Topological Data Analysis.
2nd China-Japan-Korea A3 foresight meeting.   Nov 2015   
Topological Data Analysis on Materials Science: Statistics and Continuation.
Computational Geometric and Algebraic Topology.   Oct 2015   
Random Topology, Minimum Spanning Acycle, and Persistent Homology.
International Conference “Dynamics, Topology, and Computations”,   Jun 2015   
Random Topology, Minimum Spanning Acycle, and Persistent Homology.
Workshop on "Probabilistic models with determinantal structure",   Apr 2015   
Topological Data Analysis on Amorphous Structures.
Topological Data Analysis on Materials Science,   Feb 2015   
Topological Data Analysis on Amorphous Structure.
FoCM’ 14,   Dec 2014   
Semi-Plenary: Topology and Geometry of Amorphous Structures.
FoCM’ 14,   Dec 2014   
Topological Data Analysis on Materials Science.
Mathematics of Fluid Dynamics and Material Science, 1st Joint Conference of A3 Foresight Program,   Nov 2014   
Topological Data Analysis on Amorphous Structure.
Workshop on Topology : Identifying Order in Complex Systems,   Oct 2014   
Computing Persistence Modules on Commutative Ladder Quivers of Finite Type.
ICMS 2014 Session: Software for Computational Topology,   Aug 2014   
Hierarchical Geometric Characterizations of SiO2 by Persistent Homology.
Mathematical Challenbe to New Phase of Materials Science,   Aug 2014   
Topological Data Analysis in Glass.
Computational Geometry Seminar at IST Austria,   Jul 2014   
Auslander-Reiten theory and persistence modules.
Workshop on Topological Data Analysis.   Jun 2014   
Persistent Homology and Atomic Arrangement in Materials.
Pattern Formation: mathematics & materials.   Apr 2014   
Persistence of Common Topological Structures by a Commutative Triple Ladder Quiver.
Topological Systems: Communication, Sensing, and Actuation,   Mar 2014   
Persistent Homology and Atomic Arrangements,
WPI-AIMR Workshop Structure and Dynamics of Glasses,   Feb 2014   
Persistence Modules and their Applications to Materials Science.
SIAM Annual Meeting 2014,   2014   
Persistent Homology and its Applications,
Intensive Course in KAIST,   Dec 2013   
Computational Persistent Topology and its Applications,
2013 Northeast Asian Symposium on High Performance Computing Methods and Modeling,   Sep 2013   
Persistence Modules, Representations, and Protein Structural Analysis,
Colloquium in Math department, Laval University,   Sep 2013   
Persistent Homology and Protein Structural Analysis,
IMA Joint US-Japan Conference for Young Researchers on Interactions among Localized Patterns in Dissipative Systems,   Jun 2013   
Approximate Maximum Likelihood Decodings and Invariant Theory,
From Modern Coding Theory To Postmodern Coding Theory,   Mar 2013   
Algebraic Structure of Maximum Likelihood Decodings: Invariants and Duality,
Shinshu Applied Topology Seminar,   Nov 2012   
Applications of persistent diagrams to protein compressibility and phylogenetic trees, Applied and computational topology:
ATMCS 5,   Jul 2012   
Rational maps and maximum likelihood decoding: dynamical system and invariant theory in decodings,
AMS Sectional Meeting, Special Session on Mathematical Coding Theory and its Industrial Applications,   Mar 2012   
Network Codings and Sheaf Cohomology,
Topology Seminar,   Nov 2011   
Applications of sheaf cohomology and exact sequences to network coding,
Forum "Math-for-Industry" 2011,   Oct 2011   
Network Codings and Sheaf Cohomology,
NOLTA2011,   Sep 2011   
Computational Topology to Protein Structure Analysis: compressibility, persistence, and minimum generators,
Workshop on Applied Topology at Hakata,   Aug 2011   
Applications of Computational Homology to Protein Structure Analysis,
BioMaPS Seminar Series in Quantitative Biology,   May 2011   
A dynamical system approach to coding theory: duality in algebraic geometry codes.
Applied mathematics seminar,   Jun 2010   
Network codings and sheaves.
Algebra and Topology: Methods, Computation, and Science, (査読付き)   Jun 2010   
A dynamical system approach to coding theory: duality in algebraic geometry codes.
AMS Sectional Meeting, Special Session on Topological and Computational Dynamics,   May 2010   
Topological regularization of the triple collision in the 3-vortex problem. Foundations of Computational Mathematics 2008,
Jun 2008   
Topological regularization of the triple collision in the 3-vortex problem. Kyoto Dynamics Days 7 "Hamiltonian Systems and Related Topics",
Jun 2008   
Rigorous numerics for the existence of homoclinic orbits via exponential dichotomy.
2008 International Workshop on Numerical Verification and its Applications,   Mar 2008   
Rigorous numerics for the existence of homoclinic orbits via exponential dichotomy.
Topological and Computational Approaches to Dynamical Systems,   Feb 2007   
Rigorous numerics for the existence of symmetric homoclinic orbits in reversible systems.
First Slovak - Japan workshop on Computational Mathematics,   Sep 2006   
Computer assisted analysis for the existence of homo/heteroclinic orbits.
Czech-Japanese Seminar in Applied Mathematics,   Sep 2006   
Homotopy reductions of complex networks.
International Symposium on Topological Aspects of Critical Systems and Networks,   Feb 2006   
Localized patterns in the quintic Swift-Hohenberg equation.
Czech-Japanese Seminar in Applied Mathematics,   Sep 2005   
Localized patterns in the Swift-Hohenberg equation.
MSJ-IRI2005,   Jul 2005   
Conley index and numerical verification.
SciCade2005,   May 2005   
Rigorous numerics for localized patterns of the quintic Swift-Hohenberg equation.
SCAN2004,   Oct 2004   
Conley index and Numerical Verification.
Czech-Japanese Seminar in Applied Mathematics,   Aug 2004   
Rigorous numerics for global dynamics in gradient systems I.
US-JAPAN workshop on Dynamics and Computations,   Mar 2004   
Rigorous numerics for global dynamics in gradient systems II (poster).
US-JAPAN workshop on Dynamics and Computations,   Mar 2004   
Conley index based numerical verification method for bifurcation diagrams in the Swift-Hohenberg equation.
ICIAM2003,   Jul 2003