Comment on "Holographic Thermalization, stability of AdS, and the   Fermi-Pasta-Ulam-Tsingou paradox" by V. Balasubramanian et al
  We comment upon a numerical computation in a recent paper by Balasubramanian, Buchel, Green, Lehner, and Liebling. 
Piotr Bizo\'n, Andrzej Rostworowski
gr-qc