Filament surgery and temporal grid adaptivity extensions to a parallel tree code for simulation and diagnosis in 3D vortex dynamicsVictor M. Fernandez, Norman J. Zabusky, Pangfeng Liu, Sandeep Bhatt and Apostolos GerasoulisESAIM: Proc., 1 (1996) 197-211DOI: https://doi.org/10.1051/proc:1996010