Mathematical Structures in Quantum Fluids
Date: January 23 (Mon) - 25 (Wed), 2023
Place: Zoom Meeting & Osaka Metropolitan University, Building E of Faculty of Science
https://www.omu.ac.jp/about/campus/sugimoto/
Organizers:
Reika Fukuizumi (Tohoku University), Michikazu Kobayashi (Kochi University of Technology),
Takashi Sakajo (Kyoto University), Makoto Tsubota (Osaka Metropolitan University)
Support: Osaka Central Advanced Mathematical Institute: MEXT Joint Usage/Research Center
on Mathematics and Theoretical Physics JPMXP0619217849, Osaka Metropolitan University
IEA-International Emerging Actions 2021 “MPM2S”

January 23 (Mon), Place: Room E408
Opening
12:50 - 13:00
Chair: Reika Fukuizumi
13:00 - 13:50

Michikazu Kobayashi (Kochi University of Technology)
Machine-learning approach for detecting Kosterlitz-Thouless transition in the GrossPitaevskii and continuous clock models

14:00 - 14:50

Yuki Kawaguchi (Nagoya University)
Superfluids under external driving
Tea Break
15:00 - 15:30

Chair: Michikazu Kobayashi
15:30 - 16:20

Tsuyoshi Yoneda (Hitotsubashi University)
Mathematical reformulation of the Kolmogorov-Richardson energy cascade in termsof vortex stretching and related topics

16:30 - 17:30(Keynote address) Koji Fukagata (Keio University)
Applications of convolutional neural networks to classical fluid flow fields

January 24 (Tue), Place: Room E408
Chair: Yohei Yamazaki
10:00 - 10:50

Tetsu Mizumachi (Hiroshima University)
On linear stability of elastic 2-line solitons for the KP-II equation

11:00 - 11:50

Koji Ohkitani (Kyoto University)
Remarks on models for quantum hydrodynamics: regularisation and anomalies

1Lunch Break
12:00 - 14:00
Chair: Takeshi Matsumoto
14:00 - 14:20

Yuto Sano (Osaka Metropolitan University)
Emergent isotropy of a wave-turbulent cascade in the Gross-Pitaevskii model

14:25 - 14:45

Kota Takeda (Kyoto University)
A Monte Carlo approach to the N-vortex problem on the unit sphere

14:50 - 15:10

Victor Kalt (University of Rouen Normandy)
Identification of vortices in quantum fluids: finite element algorithms and programs
Tea Break
15:10 - 15:30

Chair: Takashi Sakajo
15:30 - 16:20

Luminita Danaila (University of Rouen Normandy)
Higher-order statistics and intermittency of a two-fluid HVBK quantum turbulent
flow

16:30 - 17:20

Marc Brachet (ENS Paris)
Coupling Navier-Stokes and Gross-Pitaevskii equations for the numerical simulationof two-fluid quantum flows

January 25 (Wed), Place: Room E408
Chair: Reika Fukuizumi
10:00 - 10:50

Takeshi Matsumoto (Kyoto University)
Optimizing kinematic dynamo in the Lagrangian coordinates

11:00 - 11:50

Yohei Yamazaki (Kyushu University)
Center stable manifold for ground states of nonlinear Schrödinger equations withinternal modes
Lunch Break
12:00 - 14:00

Chair: Reika Fukuizumi
14:00 - 14:50

Jean-Guy Caputo (INSA Rouen)
An Abelian Higgs model of pulsed field magnetization in superconductors

15:00 - 15:20

Masashi Yoneda (Chiba University)
On asymptotic stability of solitons for discrete nonlinear Schrodinger equations
Tea Break
15:20 - 15:40

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Chair: Michikazu Kobayashi
15:40 - 16:00

Tomohiro Tanogami (Kyoto University)
Information flow in turbulence

16:05 - 16:25

Cyril Tain (University of Rouen Normandy)
Gauges in the Time Dependent Ginzburg Landau (TDGL) model of superconductivity

16:30 - 17:20

Ionut Danaila (University of Rouen Normandy)
Numerical methods for the Bogoliubov-de Gennes stability analysis of Bose-Einsteincondensates
Closing
17:20 - 17:30

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