no code implementations • 24 Feb 2021 • Chi-Ning Chou, Alexander Golovnev, Madhu Sudan, Santhoshini Velusamy
In this work we consider the approximability of $\textsf{Max-CSP}(f)$ in the context of sketching algorithms and completely characterize the approximability of all Boolean CSPs.
Computational Complexity Data Structures and Algorithms
no code implementations • 1 Jun 2019 • Robert Busa-Fekete, Krzysztof Dembczynski, Alexander Golovnev, Kalina Jasinska, Mikhail Kuznetsov, Maxim Sviridenko, Chao Xu
First, we show that finding a tree with optimal training cost is NP-complete, nevertheless there are some tractable special cases with either perfect approximation or exact solution that can be obtained in linear time in terms of the number of labels $m$.
no code implementations • 16 Jan 2019 • Alexander Golovnev, Dávid Pál, Balázs Szörényi
Learning with the knowledge of the distribution (a. k. a.