Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
2 papers
math.DG2013
Fundamental invariants of systems of ODEs of higher order
Boris Doubrov, Alexandr Medvedev
We find the complete set of fundamental invariants for systems of ordinary differential equations of order under the group of point transformations generalizing similar res…
math.NA2008
Second order numerical scheme for motion of polygonal curves with constant area speed
M. Benes, M. Kimura, S. Yazaki
We study polygonal analogues of several moving boundary problems and their time discretization which preserves the constant area speed property. We establish various polygonal anal…