Ishiwata Emiko

イシワタエミコ | Ishiwata Emiko

Affiliation and department：
Job title： Associate Professor

Research field (2)： Applied mathematics and statistics , Basic mathematics

Research keywords (1)： Numerical Analysis

Research theme for competitive and other funds (4)：

1995 - 2015 線形計算(大規模連立一次方程式に対する反復法)
1995 - 2015 Numerical Linear Algebra (Iterative methods for large linear systems)
1999 - 2010 遅延微分方程式の数値解析
1999 - 2010 Numerical analysis of delay differential equations

Papers (80)：

Kouta Yamamoto, Toshio Suzuki, Emiko Ishiwata. An improvement for image compression using the discrete wavelet transform and the linear quantization. JSST2023 Conference Proceedings. 2023. 7-10
Itsuki Horiuchi, Kensuke Aihara, Toshio Suzuki, Emiko Ishiwata. Global GPBiCGstab(L) method for solving linear matrix equations. Numerical Algorithms. 2022. 93. 1. 295-319
Masato Shinjo, Akiko Fukuda, Koichi Kondo, Yusaku Yamamoto, Emiko Ishiwata, Masashi Iwasaki, Yoshimasa Nakamura. Discrete hungry integrable systems - 40 years from the Physica D paper by W.W. Symes. Physica D: Nonlinear Phenomena. 2022. 439. 133422-133422
Yusaku Yamamoto, Akiko Fukuda, Sonomi Kakizaki, Emiko Ishiwata, Masashi Iwasaki, Yoshimasa Nakamura. Box and Ball System with Numbered Boxes. Mathematical Physics, Analysis and Geometry. 2022. 25. 2
Taiga Ishida, Toshio Suzuki, Emiko Ishiwata. Feature extraction of distorted sound waveforms and estimation of distortion effects and their settings. JSST2021 Conference Proceedings. 2021. 8-11

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MISC (22)：

関口真基, 岡来美, 岩崎雅史, 石渡恵美子. dLVs系から導かれる"加速型"箱玉系. 九州大学応用力学研究所研究集会報告. 2020. 2019AO-S2. 1. 151-156
江夏洋一, 金森匡俊, 石渡恵美子. 蚊媒介感染症におけるボルバキアの感染抑制について. 京都大学数理解析研究所講究録「第14回生物数学の理論とその応用 - 構造化個体群ダイナミクスとその応用」. 2018. 2087. 41-50
石渡恵美子, 石渡哲哉, 中田行彦. ある振動モデルにおける時間遅延誘導爆発について. 京都大学数理解析研究所講究録「実領域における常微分方程式研究の継承と革新」. 2018. 2080. 18-24
中田行彦, 谷津田直之, 石渡恵美子. Visualisation of stability regions for logistic difference equations with multiple delays. 京都大学数理解析研究所講究録「第11回生物数学の理論とその応用」. 2015. 1937. 32-41
相原研輔, 阿部邦美, 石渡恵美子. 漸化式に着目したIDRstab法の偽収束改善に関する数値的考察. 京都大学数理解析研究所講究録「次世代計算科学の基盤技術とその展開」. 2013. 1848. 187-201

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Books (3)：

Lectures and oral presentations (146)：

An improvement for image compression using the discrete wavelet transform and the linear quantization
(The 42nd JSST Annual International Conference on Simulation Technology (JSST2023) 2023)
Traveling wave solutions for an epidemic model with free boundary
(The 10th International Congress on Industrial and Applied Mathematics (ICIAM 2023) 2023)
箱玉系につながる時間遅れ付きdLVと時間遅れ付きdTodaについて
(第20回計算数学研究会 2022)
非対称連立一次方程式に対するロバストな右前処理付きGPBiCGstab(L) 法
(日本応用数理学会第18回研究部会連合発表会 2022)
非対称な線形行列方程式に対するglobal GP-BiCGstab(L) 法の提案
(日本応用数理学会 2021年度年会(JSIAM2021) 2021)

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Education (3)：

- 1996 Waseda University Graduate School, Division of Science and Engineering Mathematics
- 1996 Waseda University Graduate School, Division of Science and Engineering Mathematics
- 1990 Tokyo University of Science Faculty of Science Applied Mathematics

Professional career (1)：

Work history (11)：

2017/04 - 慶応義塾大学理工学部非常勤講師
2007 - 2011 Tokyo University of Science
2011 - Development of Mathematical Information Science, Faculty of Science, Tokyo University of Science Professor
2005 - 2007 Development of Mathematical Information Science, Faculty of Science, Tokyo University of Science Associate Professor
2002 - 2005 Development of Mathematical InformationScience, Faculty of Science, Tokyo University of Science Lecturer

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Committee career (7)：

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Awards (5)：

Association Membership(s) (3)：

Mathematical Society of Japan , The Japan Society for Industrial and Applied Mathematics , 日本応用数理学会

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