3 papers
math.CO2026
Error analysis of quantization combined with Hadamard transforms
Matvei Kotov, Lorenzo Ciccarelli
In this paper, we consider an image coding process consisting of the following four steps: a direct transformation, a direct quantization, an inverse quantization, and an inverse t…
math.LO2024
On equationally Noetherian predicate structures
Ivan Buchinskiy, Matvei Kotov, Alexander Treier
In this paper, we prove a criterion for a predicate structure to be equationally Noetherian.
math.GR2015
Analysis of a certain polycyclic-group-based cryptosystem
Matvei Kotov, Alexander Ushakov
We investigate security properties of the Anshel-Anshel-Goldfeld commutator key-establishment protocol used with certain polycyclic groups. We show that despite low success of the…