A. Polyanskii

collaborators

2 papers

math.CO2020

The extremal number of surfaces

Andrey Kupavskii, Alexandr Polyanskii, István Tomon +1

In 1973, Brown, Erdős and Sós proved that if $H$ is a 3-uniform hypergraph on $n$ vertices which contains no triangulation of the sphere, then $H$ has at most $…

math.FA2019

Approximation of the average of some random matrices

Grigory Ivanov, Márton Naszódi, Alexandr Polyanskii

Rudelson's theorem states that if for a set of unit vectors $u_{i}$ and positive weights $c_{i}$ , we have that $\sum c_{i} u_{i} \otimes u_{i}$ is the identity operator $I$ on $R^{d}$ …