研究者学術情報データベース

ワタナベ　タクヤ
渡部　拓也
WATANABE Takuya

所属理工学部数理科学科

職名准教授

学会発表
1.	2023/10/26	複数の接触交差が生成する小さな擬交差間の2準位断熱遷移確率 (九大・数理数理物理セミナー)
2.	2023/05/20	複数の接触交差が生成する小さな擬交差間の2準位断熱遷移確率 (東京・大阪スペクトルオンラインセミナー)
3.	2022/11/30	Two-level adiabatic transition probability for small avoided crossings generated by tangential intersections (RIMS共同研究（公開型）スペクトル・散乱理論とその周辺)
4.	2022/11/22	Zakharov-Shabat 方程式系の準古典解析 (津田塾大学PDE Workshop)
5.	2022/11/10	Two-level adiabatic transition probability for small avoided crossings generated by tangential intersections (The 19th Linear and Nonlinear Waves)
6.	2022/06/24	小さなギャップをもつ擬交差間の非断熱遷移問題に対する準古典解析 (愛媛大学　解析セミナー)
7.	2021/11/27	２準位擬交差間の非断熱遷移問題に対する準古典解析 (第１７６回神楽坂解析セミナー)
8.	2019/09/18	エネルギー交差の上位準位におけるレゾナンスの準古典分布 (日本数学会秋季総合分科会)
9.	2019/09/09	Semiclassical approach to a generalization of the Landau-Zener formula. (Groupe de travail Analyse semi-classique & Physique mathématique)
10.	2019/06/17	Widths of resonances above an energy-level crossing (Séminaire: Problèmes Spectraux en Physique Mathématique)
11.	2019/03/14	Width of semiclassical resonances above an energy level crossing (第11回名古屋微分方程式研究集会)
12.	2019/03/06	Width of semiclassical resonances above an energy level crossing (Himeji Conference on Partial Differential Equations)
13.	2019/01/11	Semiclassical distribution of resonances associated with an energy-level crossing (HMA セミナー・冬の研究会 2019)
14.	2018/12/15	Semiclassical distribution of resonances associated with an energy-level crossing (研究集会第1回解析学の壺)
15.	2018/12/10	Two-level transition problem for avoided crossings in a non-adiabatic regime (Mini Workshop on WKB Analysis and Singularity Theory)
16.	2018/08/31	Mathematical Aspects of Quantum Mechanics (The 1st Ritsumeikan-Sookmyung Mathematics Conference)
17.	2018/01/26	Two-level transition probability for several avoided crossings in the non-adiabatic limit (Workshop on Spectral and Scattering Theory)
18.	2017/09/29	Molecular predissociation resonances near an energy-level crossing (S eminaire Equations aux D eriv ees Partielles non-lin eaires)
19.	2017/09/26	Molecular predissociation resonances near an energy-level crossing (S eminaire de Physique Math ematique)
20.	2016/12/04	空間依存する特性指数をもつフックス型特異初期値問題について（浦部治一郎氏との共同研究） (「第23 回超局所解析と古典解析」研究集会)
21.	2016/09/04	Quantization Condition of Resonances at Energy-Level Crossing (joint work with S.Fujiié and A.Martinez) (2016 年夏の作用素論シンポジウム)
22.	2015/12/06	エネルギー交差が生成するレゾナンスの準古典分布 (「第22回超局所解析と古典解析」研究集会)
23.	2015/07/31	Molecular predissociation resonances at an energy-level crossing (広島複素解析セミナー)
24.	2014/11/12	Molecular resonance widths at a crossing level 　(joint work with S.Fujiié and A.Martinez) (Linear and Nonlinear Waves, No.12)
25.	2014/01/25	A remark on a connection problem for 2 × 2 system via microsupports (大阪市大・大阪府大合同「南大阪応用数学セミナー」)
26.	2013/11/22	A remark on a connection problem for 2 × 2 system via microsupports (The 20th “Microlocal Analysis and Classical Analysis”)
27.	2012/12/03	Transition probability for multiple avoided crossings with a small gap through an exact WKB method and a microlocal approach (Séminaires de l'équipe de Physique Mathématique et Equations aux Dérivées Partielles (Universite Paris 13))
28.	2012/09/10	Asymptotic transition probability for multiple avoided crossings with a small gap (2012年夏の作用素論シンポジウム)
29.	2012/07/25	Microlocal approach to two-level adiabatic transition probability for multiple avoided crossings with a small spectral gap (Part I, Part II) (RIMS共同研究「逆問題への応用を意図した解析学の研究」)
30.	2012/06/22	Asymptotic transition probability for avoided crossings with a small gap (joint work with M.Zerzeri) (東京理科大学数学科談話会)
31.	2012/06/15	Asymptotic transition probability for avoided crossings with a small gap (joint work with M.Zerzeri) (大阪大学微分方程式セミナー)
32.	2012/03/12	Microlocal approach to two-level adiabatic transition probability for several avoided crossings with a small spectral gap" (joint work with M. Zerzeri) (Seminari di Fisica Matematica, Universita di Bologna)
33.	2012/01/07	Microlocal approach to two-level adiabatic transition probability for several avoided crossings with a small spectral gap (スペクトル・散乱あきう(秋保) シンポジウム)
34.	2011/09/12	同次性に基づいて常微分作用素に帰着される偏微分作用素の特徴付けとその応用 (弘前大学整数論・力学系セミナー)
35.	2011/09/05	Microlocal approach to two-level adiabatic transition probability for several avoided crossings with a small spectral gap (2011 年夏の作用素論シンポジウム)
36.	2011/03/07	Adiabatic transition probability for a small eigenvalue gap from the viewpoint of the exact WKB method (Séminaire: Problèmes Spectraux en Physique Mathématique à l' Institut Henri Poincaré)
37.	2011/02/28	Connection problem between exact WKB solutions to $2times 2$ system near simple turning points (Seminari di Fisica Mathematica, Universita di Bologna)
38.	2011/01/13	同次性に基づいて常微分作用素に帰着される偏微分作用素の特徴付け (研究集会「若手による偏微分方程式における線形理論とその応用」)
39.	2010/12/15	Adiabatic transition probability for a small eigenvalue gap from the viewpoint of the exact WKB method (Problemes spectraux en physique mathématique" d'Orsay)
40.	2010/11/25	2準位断熱遷移確率とStokes幾何 (高知大学数理科学セミナー)
41.	2010/11/20	ある同次性に基づいて常微分作用素に帰着される偏微分作用素の特徴付け（浦部治一郎氏との共同研究） (「第17回超局所解析と古典解析」研究集会)
42.	2010/09/22	フックス型特異初期値問題の解の特異性（浦部治一郎氏との共同研究） (日本数学会秋季総合分科会)
43.	2010/09/06	フックス型特異初期値問題の解の特異性（浦部治一郎氏との共同研究） (2010年夏の作用素論シンポジウム)
44.	2010/02/23	A singular Cauchy problem for a certain Fuchsian partial differential equation (joint work with J. Urabe) (偏微分方程式姫路研究集会)
45.	2010/01/06	A singular Cauchy problem for the Euler-Poisson-Darboux equation (joint work with J.Urabe) (超幾何方程式研究集会 2010)
46.	2009/11/19	2位の変わり点での2x2 exact WKB解の接続 (第16回「超局所解析と古典解析」研究集会)
47.	2009/05/11	Exact WKB approach to 2-level adiabatic transition problem with a small spectral gap (Seminari di Fisica Mathematica, Universita di Bologna)
48.	2009/03/16	Orr-Sommerfeld方程式のSturm-Liouville問題の固有値の漸近分布 (神奈川大学数学教室談話会)
49.	2008/12/12	Euler-Poisson-Darboux方程式の特異初期値問題（浦部治一郎氏との共同研究） (大阪大学数学教室微分方程式セミナー)
50.	2008/11/08	A singular Cauchy problem for the Euler-Poisson-Darboux equation (joint work with J.Urabe) (第15回「超局所解析と古典解析」研究集会プログラム)
51.	2008/09/09	A singular Cauchy problem for the Euler-Poisson-Darboux equation (joint work with J.Urabe) (International Workshop on Global Behaviors of Differential Equations - Singularity and Transformation Theory-)
52.	2008/09/07	複素ポテンシャルをもつSchro"dinger作用素の固有値の準古典分布とStokes幾何 (2008年夏の作用素論シンポジウム)
53.	2007/09/19	複数回の擬交差の起こる２準位断熱遷移確率 (2007年夏の作用素論シンポジウム)
54.	2007/04/20	2-level adiabatic transition probability for a small eigenvalue gap (京都大学作用素論セミナー)
55.	2007/02/20	Adiabatic transition probabilities with a small spectral gap and Stokes geometries (第8回北東数学解析研究会)
56.	2006/12/12	Adiabatic transition probability for an avoided crossing with interaction parameters (RIMS 微分方程式系の代数解析と完全WKB解析)
57.	2006/08/29	２準位断熱遷移問題へのexact WKB法の応用 (2006年夏の偏微分方程式シンポジウム)
58.	2006/06/15	２準位断熱遷移問題へのexact WKB法の応用 (広島大学複素解析セミナー)
59.	2006/02/21	2-level Adiabatic transition problems for double crossings (第7回北東数学解析研究集会)
60.	2006/01/16	A complex WKB approach to the 2-level adiabatic transition problems (RIMS スペクトル・散乱とその周辺)
61.	2005/09/21	Adiabatic Landau-Zener formula for a tangential level crossing (日本数学会秋季総合分科会)
62.	2005/07/19	Adiabatic Landau-Zener formula for a tangential level crossing (MSJ-IRI 2005 Asymptotic Analysis and Singularity)
63.	2005/02/18	On an exact WKB approach to adiabatic transition problems for 2 levels (偏微分方程式仙台研究集会)