Asuka OHASHI

Profile Information

Affiliation: Assistant Professor, Department of General Education, National Institute of Technology, Kagawa College

Degree: Ph.D. (Computer and Information Sciences)(Aichi Prefectural University)

J-GLOBAL ID: 201601009956854360
researchmap Member ID: 7000017194

Research Interests

numerical linear algebra, numerical multilinear algebra

Research Areas

Natural sciences / Applied mathematics and statistics /

Education

- Mar, 2016

Department of Information Science and Technology, Graduate School of Information Science and Technology, Aichi Prefectural University
- Mar, 2014

System Science Course, Graduate School of Information Science and Technology, Aichi Prefectural University
- Mar, 2012

Information Systems Department, School of Information Science and Technology, Aichi Prefectural University

Papers

Quantum algorithm for matrix functions by Cauchy's integral formula.

Souichi Takahira, Asuka Ohashi, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda

Quantum Information & Computation, 20(1&2) 14-36, 2020 Peer-reviewed
On computing the minimum singular value of a tensor sum

A. Ohashi, T. Sogabe

Special Matrices, 7(1) 95-106, Jan 1, 2019 Peer-reviewed
符号化を用いた3元ASKコヒーレント状態信号の対称化

田中美波, 大橋あすか, 高比良宗一, 臼田毅

電子情報通信学会論文誌 B, J101-B(11) 978-987, Nov, 2018
A modified GMRES method for solving large-scale Lyapunov equations for multi-agent systems

Asuka Ohashi, Kiyotsugu Takaba

2017 56TH ANNUAL CONFERENCE OF THE SOCIETY OF INSTRUMENT AND CONTROL ENGINEERS OF JAPAN (SICE), 1583-1588, 2017 Peer-reviewed
Fast block diagonalization of (k,k’)-pentadiagonal matrices

A. Ohashi, T. Sogabe, T.S. Usuda

International Journal of Pure and Applied Mathematics, 106(2) 513-523, Feb, 2016
On tensor product decomposition of k-tridiagonal Toeplitz matrix

A. Ohashi, T.S. Usuda, T. Sogabe, F. Yilmaz

International Journal of Pure and Applied Mathematics, 103(3) 537-545, Aug, 2015
On tensor product decomposition of k-tridiagonal Toeplitz matrices

Asuka Ohashi, Tsuyoshi Sasaki Usuda, Tomohiro Sogabe, Fatih Yilmaz

International Journal of Pure and Applied Mathematics, 103(3) 537-545, 2015 Peer-reviewed
On computing maximum/minimum singular values of a generalized tensor sum

A. Ohashi, T. Sogabe

Electronic Transactions on Numerical Analysis, 43 244-254, 2015
On decomposition of k-tridiagonal ℓ-Toeplitz matrices and its applications

A. Ohashi, T. Sogabe, T. S. Usuda

Special Matrices, 3(1) 200-206, Jan, 2015
拡張テンソル和に対する最大・最小特異値計算〜数値多重線形代数からのアプローチ〜

大橋あすか, 曽我部知広

京都大学数理解析研究所講究録「新時代の科学技術を牽引する数値解析学 Numerical Analysis Leading a New Age of Science and Technology RIMS研究集会報告集」, 1957 38-44, 2014

Presentations

テンソル和の特異値計算のためのシフト付き逆Lanczos法

第17回量子情報ミニワークショップ, Jan 13, 2019
Schur分解に基づく拡張テンソル和の最小特異値計算

次世代の科学技術を支える数値解析学の基盤整備と応用展開（RIMS共同研究 (公開型)）, Nov 16, 2018
A Modified GMRES Method for Solving Large-Scale Lyapunov Equations for Multi-Agent Systems

The SICE Annual Conference 2017, Sep 22, 2017
Amplitude Estimation based Algorithm for Circulant Linear Systems

17th Asian Quantum Information Science Conference, Sep 5, 2017
4PSK coherent-state signals can be narrow sense group covariant with respect to F4 by coding

The International Symposium on Information Theory and Its Applications (ISITA), Nov 2, 2016
Quantum Algorithm for Linear Equations with a Circulant Matrix

16th Asian Quantum Information Science Conference, Aug 30, 2016
Reduction of computation complexity of classical optimal decoding by adiabatic quantum computation

16th Asian Quantum Information Science Conference, Aug 30, 2016
Group covariance of q-ary PSK coherent-state signals coded by codes over extension field Fq

16th Asian Quantum Information Science Conference, Aug 29, 2016
Derivation of analytical expression of channel matrix for coded 4PSK signals using tensor product decomposition of Gram matrix

15th Asian Quantum Information Science Conference (AQIS2015), 2015
Quantum-classical hybrid algorithm to solve linear equations for k-tridiagonal matrix

15th Asian Quantum Information Science Conference (AQIS2015), 2015
量子断熱計算の線形方程式の解法への適用

平成27年度電気・電子・情報関係学会東海支部連合大会, 2015
3項テンソル和の最小特異値に対する頑強な数値計算法について

第18回環瀬戸内応用数理研究部会シンポジウム, 2014
A robust method of computing the minimum singular value of a generalized tensor sum

2nd International Workshop on Numerical Linear Algebra and Its Applications, 2014
拡張テンソル和に対する最大・最小特異値計算〜数値多重線形代数からのアプローチ〜

2014年度 RIMS 研究集会「新時代の科学技術を牽引する数値解析学」, 2014
An algorithm for computing extremal singular values of a generalized tensor sum

Structured Numerical Linear and Multilinear Algebra: Analysis, Algorithms and Applications, 2014
行列の一般化テンソル和に対する最大・最小特異値計算法

2013年度数値解析研究集会, 2013
On Computing maximum/minimum singular values of a generalized tensor sum

Numerical Analysis and Scientific Computation with Applications, 2013
行列のテンソル和に対する最大特異値の数値計算法

2012 年度数値解析研究集会, 2012

Teaching Experience

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The Japan Society for Industrial and Applied Mathematics

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