E-mail: Keywords: Ordinary differential equations, linear systems, linear equations, nonlinear systems, oscillation exponents, wandering exponents, rotation exponents.
Subject:
Qualitative theory of differential equations.
Main publications:
Stash A.Kh., “Properties of complete and vector sign frequencies of
solutions of linear autonomous differential equations”, Differ. Equ., 50:10 (2014), 1413–1417
Stash A.Kh., “Existence of a two-dimensional linear system
with continual spectra of total and vector frequencies”, Differ. Equ., 51:1 (2015), 146–148
Stash A.Kh., “On the control of the spectra of upper strong
oscillation exponents of signs, zeros, and roots of third-order
differential equations”, Differ. Equ., 59:5 (2023), 597–605
Stash A.Kh., “Comparing the spectra of oscillation
exponents of a nonlinear system and the first approximation system”, Differ. Equ., 59:8 (2023), 1147–1150
Stash A.Kh., “On the properties of oscillation indices of solutions to differential systems”, Differ. Equ., 61:6 (2025), 769–824
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