no code implementations • 28 Jun 2021 • Alexander N. Gorban, Bogdan Grechuk, Evgeny M. Mirkes, Sergey V. Stasenko, Ivan Y. Tyukin
New stochastic separation theorems for data with fine-grained structure are formulated and proved.
no code implementations • 11 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.
no code implementations • 26 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.
no code implementations • 6 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.