Measure Valued Diffusions

• Rescaled contact processes converge to super-Brownian motion in two or more dimensions
  With Ed Perkins. Prob. Theor. Rel. Fields. 114 (1999), 309--399
• Rescaled voter models converge to super-Brownian motion.
  With Ted Cox and Ed Perkins. Ann. Prob. 28 (2000), 185--234
• Rescaled particle systems converging to super-Brownian motion.
  With Ted Cox and Ed Perkins. Pages 269--284 in Perplexing Problems in Probability: Festschrift in Honor of Harry Kesten edited by M. Bramson and R. Durrett, Birkhauser
• Competing super-Brownian motions as limits of interacting particle systems.
  With Leonid Mytnik, and Ed Perkins. Electronic Journal of Probability. 10 (2005), 1147--1220