2 citations · 3 across the 6 of their papers we have counts for
Showing 2009Show all
2 papers · 1 filter
math.DG2009
A characterization of revolution quadrics by a system of partial differential equations
Vladimir Oliker
It is shown that existence of a global solution to a particular nonlinear system of second order partial differential equations on a complete connected Riemannian manifold has topo…
math.AP2009★ 1 cited
Kummer configurations and reflector problems: Hypersurfaces in $\Rn$ with given mean intensity
Vladimir Oliker
For a congruence of straight lines defined by a hypersurface in and a field of reflected directions created by a point source we define the notion of intensity…