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math-ph2007★ 1 cited
Modeling snow crystal growth III: three-dimensional snowfakes
Janko Gravner, David Griffeath
We introduce a three-dimensional, computationally feasible, mesoscopic model for snow crystal growth, based on diffusion of vapor, anisotropic attachment, and a semi-liquid boundar…
math.PR2007
Slow Convergence in Bootstrap Percolation
Janko Gravner, Alexander E. Holroyd
In the bootstrap percolation model, sites in an L by L square are initially infected independently with probability p. At subsequent steps, a healthy site becomes infected if it ha…