2 papers
math.OC2011
A Complementarity Partition Theorem for Multifold Conic Systems
Javier Peña, Vera Roshchina
Consider a homogeneous multifold convex conic system and its alternative system $$ A\transp y \in K_1^*\times...\times K_r^*, $$ where…
math.DS2011
Fractal bodies invisible in 2 and 3 directions
Alexander Plakhov, Vera Roshchina
We study the problem of invisibility for bodies with a mirror surface in the framework of geometrical optics. We show that for any two given directions it is possible to construct…