29 citations · 60 across the 28 of their papers we have counts for
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math.OC2013
Some preconditioners for systems of linear inequalities
Javier Pena, Vera Roshchina, Negar Soheili
We show that a combination of two simple preprocessing steps would generally improve the conditioning of a homogeneous system of linear inequalities. Our approach is based on a com…
math.DS2013★ 6 cited
Bodies with mirror surface invisible from two points
Alexander Plakhov, Vera Roshchina
Here we are concerned with a special issue of billiard invisibility, where a bounded set with a piecewise smooth boundary in Euclidean space is identified with a body with mirror s…
math.OC2013
Facially exposed cones are not always nice
Vera Roshchina
We address the conjecture proposed by Gabor Pataki that every facially exposed cone is nice. We show that the conjecture is true in the three-dimensional case, however, there exist…