Search Results for author: Bogdan Grechuk

Found 4 papers, 0 papers with code

General stochastic separation theorems with optimal bounds

no code implementations11 Oct 2020 Bogdan Grechuk, Alexander N. Gorban, Ivan Y. Tyukin

To manage errors and analyze vulnerabilities, the stochastic separation theorems should evaluate the probability that the dataset will be Fisher separable in given dimensionality and for a given class of distributions.

On the solution uniqueness in portfolio optimization and risk analysis

no code implementations26 Oct 2018 Bogdan Grechuk, Andrzej Palczewski, Jan Palczewski

We consider the issue of solution uniqueness for portfolio optimization problem and its inverse for asset returns with a finite number of possible scenarios.

Portfolio Optimization

Augmented Artificial Intelligence: a Conceptual Framework

no code implementations6 Feb 2018 Alexander N. Gorban, Bogdan Grechuk, Ivan Y. Tyukin

We combine some ideas of learning in heterogeneous multiagent systems with new and original mathematical approaches for non-iterative corrections of errors of legacy AI systems.

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