Current local collaborators:

• Ruben Krasnopolksy (postdoc)
  
• Kaitlin Kratter (graduate)
  
• Sherry Yeh (graduate)
  
• George Conidis (undergraduate)
  

• Dynamical evolution of giant molecular clouds with photoionization feedback
  With Mark Krumholz (Princeton) and Chris McKee (Berkeley)
  

• Disk accretion onto primoridal stars
  With Kaitlin Kratter

• Star cluster-driven motions and the cycling of gas phases in galaxies
  With Sherry Yeh
  

• Dynamics of Massive Protostellar Outflow
  With Ruben Krasnopolksy
  

• Initial Mass Function in Star Cluster Formation
  

• Evolution of Self-Gravitating Disks and Fragmentation in Star Formation
• Stability of the outer disks of solar-type protostars: the brown dwarf desert (with Yuri Levin)
  
• Susceptibility of the outer disks of massive protostars, and the stellar upper mass limit (with Kaitlin Kratter)
  
• Dynamical evolution of accreting protostellar disks (with Kaitlin Kratter and Mark Krumholz)  
• Accretion onto Sgr A*
With Ue-Li Pen

• Supernova Explosions  
• Hydrodynamics of Nonrelativistic Supernovae (with Chris McKee)
  
• Relativistic Dynamics in Supernovae; Relation to Gamma-Ray Bursts (with Jon Tan and Chris McKee)
• Soft X-ray Outbursts as Diagnostics of Supernova Explosions (with Andrew Calzavara)
  

• Cosmological Gamma-Ray Bursts: Constraints on the stellar-collapse hypothesis


• Protostellar Outflows and Feedback Effects in Stellar Cluster Formation
• Outflow-driven turbulence during star cluster formation
  
• Dynamics of protostellar outflows and mass ejection (with Chris McKee)
  


• Support and Erosion of Giant Molecular Clouds by Massive Stars


•   Saturation of unstable Rossby waves in neutron stars; implications for young and accreting neutron stars
    With Yanqin Wu and Phil Arras  [Wu's ITP talk]
  
  
  
• Light element depletion in low-mass, contracting stars, and age constraints on young stellar clusters.
  With Lars Bildsten, Ed Brown, and Greg Ushomirsky  [Bildsten's ITP talk]