Recent Changes - Search:


New !

Codes and methods

Theory and analysis

Past events


edit SideBar

Collisionless Boltzmann (Vlasov) Equation and Modeling of Self-Gravitating Systems and Plasmas: Program

Sunday Oct. 29th Monday Oct. 30th Tuesday Oct. 31st Wednesday Nov. 1st Thursday Nov. 2nd Friday Nov. 3rd

The program can also be downloaded here: program.pdf
Booklet with all the abstracts: Booklet.pdf

Topic identification numbers in the abstracts
1. Collisionless Boltzmann dynamics
2. Vlasov-Poisson equations
3. Classical mean field dynamics
4. Numerical simulations
5. Others

Sunday Oct. 29th

17:00-23:00 : Welcome at CIRM

19:00-22:00 : Cold dinner

Monday Oct. 30th

Chair: Yves Elskens
9:00-9:20 : Welcome address
9:20-10:00 : Kohji Yoshikawa: Vlasov-Poisson simulation of collisionless self-gravitating systems and its application to cosmological neutrinos in the large-scale structure of the universe (
abstract, talk)
10:00-10:20 : Fred Skiff: On putting experimental data into the Vlasov-Poisson equations (abstract, talk, pptx)

10:20-10:50 : Coffee break

10:50-11:30 : Phil Morrison: The Continuum Hamiltonian Hopf bifurcation of Vlasov theory (abstract, talk)
11:30-11:50 : Michel Vittot: A geometrical version of the Maxwell-Vlasov Hamiltonian structure (abstract, talk)
11:50-12:10 : Julien Barré: Bifurcations of Vlasov equation (abstract, talk, movies: Barre_Fermi_eps_-.mp4, Barre_Fermi_eps_+.mp4, Barre_homogeneous_unstable.mp4)
12:10-12:30 : Francesco Pegoraro: Action principle for relativistic magnetohydrodynamics (abstract, talk)

12:30 : Lunch

Chair: Phil Morrison
14:00-14:40 : Pierre-Emmanuel Jabin: Quantitative estimate of propagation of chaos for stochastic systems with W-1,∞ kernel (abstract, talk)
14:40-15:00 : Peter Pickl: Microscopic derivation of the Vlasov equation (abstract, talk)
15:00-15:20 : Yoshiyuki Yamaguchi: Relaxation and long-time correlation of finite-size fluctuation in thermal equilibrium (abstract, talk)
15:20-15:40 : Leandro Beraldo e Silva: The arrow of time in the collapse of collisionless self-gravitating systems: non-validity of the Vlasov-Poisson equation during violent relaxation (abstract, talk)
15:40-16:00 : Seyyed Mehdi Hosseini Jenab: Vlasov simulation study of mutual collisions of ion-acoustic solitons: transition between kinetic and fluid regimes (abstract, talk, movies: 1_chain_formation.avi, 2_one_soliton_propagation.avi, 3_Collision_two_soliton.avi, extra_movie.avi, first_IA_Solition_formation_beta_negative.avi)

16:00 : Coffee break

16:30-16:50 : Edmund Bertschinger: Chaos and the Vlasov equation (abstract, talk with movies, pptx with movies, movies : antiHH-patch.mp4, antiHH.mp4, HHchaotic-patch.mp4, HHchaotic.mp4, HHregular-patch.mp4, HHregular.mp4, SHO-patch.mp4, SHO.mp4)
16:50-17:10 : Bruno Després: Scattering structure of Vlasov equations around inhomogeneous Boltzmannian states (abstract, talk)
17:10-17:30 : Giovanni Manfredi: Cosmology in one dimension: Vlasov dynamics (abstract, talk)
17:30-17:50 : Håkan Andréasson: Approximating gravitational collapse for dust with Vlasov matter (abstract, talk)
17:50-18:10 : Bruno Ribeiro: Brownian regime of finite-N corrections in the XY hamiltonian mean field model (abstract, talk)

18:10 : Poster session (1mn30s talks)

Chair: Roland Triay
Mohamad Ansari Fard: Late time sky as a probe of steps and oscillations in primordial Universe (abstract, short presentation)
Marcel Braukhoff: Global existence of a solution of the Vlasov-Dirac-Benney equation with a small linear relaxation time collision operator (abstract, short presentation)
Pierfrancesco Di Cintio: Dynamics and relaxation of N-body systems with long-range interactions (abstract, short presentation)
Erwan Deriaz: Six-dimensional adaptive hierarchical basis for Vlasov equations (abstract, short presentation, movie: gadget_zw.avi)
Paola Domínguez Fernández: Evolution of inhomogeneities on a Dark Matter halo with the Vlasov equation using a TVD scheme (abstract, short presentation)
Anaelle Halle: Phase-space structure of self-gravitating collisionless spherical systems (abstract, short presentation)
Julien Medina: Test particles dynamics in low-frequency tokamak turbulence (abstract, short presentation, pptx with movies)
Damien Minenna: Degree-of-freedom reduction for nonlinear N-body wave-particle interaction (abstract, short presentation)
Robert Axel Neiss: Generalized symplectization of Vlasov dynamics and application to the Vlasov-Poisson system (abstract, short presentation)
Jérôme Perez (for Nuritdinov et al.): Modelling of self-gravitating systems: pulsating versions and their instabilities (abstract, short presentation)
Dragos Iustin Palade: Non-equilibrium hydrodynamic pressure tensors from kinetic perspectives (abstract, short presentation)
Devon Powell: Adaptive beam tracing: radiation transport and synthetic observations of the CDM phase-space sheet (abstract, short presentation)
Bruno Ribeiro: Kinetic limit of wave-particle self-consistent interaction in an open domain (abstract, short presentation)
Shohei Saga: Analysis of the phase-space structure in the pre-collapse perturbation theory (abstract, short presentation)
Alicia Simon-Petit: What is isochrony in 3D static potentials? (abstract, short presentation)
Emanuele Tassi: A reduced Landau fluid model for collisionless magnetic reconnection (abstract, short presentation)
Pallavi Trivedi: Vlasov simulations of driven electrostatic phase space vortices in a 1-D electron-ion plasma (abstract, short presentation)

19:00 : Aperitif

19:30 : Dinner

Tuesday Oct. 31st

Chair: Julien Devriendt
9:00-9:40 : Nicolas Besse: A partial review of semi-Lagrangian methods for the Vlasov equation (abstract, talk)
9:40-10:00 : Michel Mehrenberger: About recurrence time for a semi Lagrangian discontinuous Galerkin Vlasov solver (abstract, talk)
10:00-10:20 : Michael Kraus: Discontinuous Galerkin variational integrators (abstract, talk)

10:20-10:50 : Coffee break

10:50-11:30 : Virginie Grandgirard: Gyrokinetic simulations of magnetic fusion plasmas (abstract, talk)
11:30-11:50 : Norbert Mauser: The quantum Vlasov equation (abstract, filmed presentation)
11:50-12:10 : Chiara Saffirio: Lagrangian solutions to the Vlasov-Poisson system with a point charge (abstract, talk)
12:10-12:30 : Claudio Di Troia: Non-perturbative guiding center transformation: the gyro-phase is the Kaluza-Klein 5th dimension (abstract, talk)

12:30 : Lunch

13:45 : Group photo

Chair: Pierre-Emmanuel Jabin
14:00-14:40 : Didier Bénisti: Analytic results for the Vlasov-Gauss system pertaining to nonlinear wave propagation in a plasma (abstract, talk)
14:40-15:00 : Alexander Figotin: Lagrangian formalism for electron beam interacting with multi-transmission line (abstract, talk)
15:00-15:20 : Stéphane Brull: Angular moment models for plasma physics (abstract, talk)
15:20-15:40 : Claude Bardos: The Maxwell-Boltzmann approximation for ion kinetic modeling (abstract, talk)
15:40-16:00 : Lapo Casetti: Nonequilibrium states with temperature inversion in long-range interacting systems (abstract, talk)

16:00-16:30 : Coffee break

16:30-17:10 : Jihad Touma: Secular collisionless dynamics around massive central bodies (abstract, talk)
17:10-17:30 : Pierre-Henri Chavanis: Kinetic theory of stellar systems (abstract, talk)
17:30-17:50 : Jean-Baptiste Fouvry: Finite-N effects and secular evolution of self-gravitating systems (abstract, talk)
17:50-18:10 : Léon Brenig: About the convergence of the kinetic equation for gravitational and Coulomb systems (abstract, talk)
18:10-18:30 : Tarcisio Rocha Filho: Vlasov equation and violent relaxation – the self-gravitating ring model (abstract, talk)

19:30 : Dinner

21:00 : Concert

Wednesday Nov. 1st

Chair: Atsushi Taruya
9:00-9:40 : Romain Teyssier: High performance N body simulations for modelling large scale structures in the universe (abstract, talk, Keynote)
9:40-10:20 : Sergei Shandarin: Tracing the dark matter web (abstract, talk, Keynote, filmed presentation)

10:20-10:50 : Coffee break

10:50-11:30 : Oliver Hahn: Simulating the collisionless dynamics of dark matter (abstract, talk)
11:30-12:10 : Thierry Sousbie: ColDICE: 6D collisionless phase space hydrodynamics using a Lagrangian tessellation (abstract, talk, filmed presentation, ColDICE description, Download ColDICE)
12:10-12:30 : Yasushi Suto: Non-sphericity of collisionless gravitating systems in the universe (abstract, talk, pptx)

12:30 : Lunch

Free discussions

19:30 : Dinner

Thursday Nov. 2nd

Chair: Nicolas Besse
9:00-9:40 : Eric Sonnendrücker: Geometric electromagnetic PIC models (abstract, talk)
9:40-10:20 : Kenji Imadera: 5D full-f gyrokinetic simulation for ion turbulence and transport barrier in tokamak plasmas (abstract, talk, filmed presentation)

10:20-10:50 : Coffee break

10:50-11:30 : Natalia Tronko: Second order Hamiltonian gyrokinetic models for particle-in-cell codes (abstract, talk)
11:30-11:50 : Tom Abel: Simplex in cell techniques for Vlasov-Poisson and Vlasov-Maxwell modeling (abstract, talk, Keynote)
11:50-12:10 : Evelyne Miot: The gyrokinetic limit for the Vlasov-Poisson system with a point charge (abstract, talk, filmed presentation)
12:10-12:30 : Victor Ambrus: Lattice Boltzmann models for rarefied flows (abstract, talk)

12:30 : Lunch

Chair: Ed Bertschinger
14:00-14:40 : James Binney: Angle-action coordinates for resonantly trapped orbits (abstract, talk)
14:40-15:00 : Jérôme Perez: Why isochrony in self-gravitating systems evolution? (abstract, talk)
15:00-15:20 : Shunsuke Hozumi: Phase-space evolution of merging collisionless stellar systems reproduced with a self-consistent field method (abstract, talk)
15:20-15:40 : Eugene Vasiliev: Beyond collisionless Boltzmann equation: when relaxation is important (abstract, talk)
15:40-16:00 : Darío Núñez: On the equilibrium states of the distribution function (abstract, talk)

16:00-16:30 : Coffee break

16:30-17:10 : Paul Dellar: Studying the nonlinear suppression of Landau damping in the Vlasov-Poisson system using Hermite mode fluxes in a Fourier-Hermite spectral representation (abstract, talk)
17:10-17:30 : Oreste Pezzi: Collisional dissipation of fine velocity structures in weakly collisional plasmas (abstract, talk)
17:30-17:50 : Maxime Lesur: Transport driven by velocity-space structures in toroidal plasmas (abstract, talk, pptx with movies)
17:50-18:10 : Madalina Vlad: Hidden drifts and turbulence evolution (abstract, talk)
18:10-18:30 : Florin Spineanu: Singular states of the 2D Euler fluid and of the density of eigenvalues of random matrices (abstract, talk)

19:30 : Conference Dinner

Friday Nov. 3rd

Chair: Oliver Hahn
9:00-9:20 : Atsushi Taruya: Perturbative description of Vlasov-Poisson system in cosmology: approaching and going beyond shell-crossing (abstract, talk)
9:20-9:40 : Stéphane Colombi: Solving Vlasov-Poisson equations with a “metric” approach (abstract, talk)
9:40-10:00 : Go Ogiya: What sets the central density structure of dark matter halos? (abstract, talk)
10:00-10:20 : Jens Stücker: The complexity of the dark matter sheet (abstract, talk)

10:20-10:50 : Coffee break

10:50-11:10 : Philip Mocz: Solving Vlasov-Poisson dynamics on an integer lattice (abstract, talk)
11:10-11:30 : Nicolas Besse: On regularity of weak solutions of the relativistic Vlasov-Maxwell system (abstract, talk)
11:30-11:50 : Michael Kopp: Solving the Vlasov equation in 2D with Schrödinger method (abstract, talk, Animated gifs: talkplot_psi_hbar1E-9_8192_loop.gif, talk_disp_hbar5E-10x8_8192_loop.gif, talk_rot_hbar5E-10x8_8192_loop.gif, talk_div_hbar5E-10x8_8192_loop.gif, talk_dens_hbar5E-10x8_8192_loop.gif)
11:50-12:30 : Round table: Tom Abel, James Binney, Phil Morrison, Fred Skiff, Natalia Tronko

12:30 : Lunch