Valery G. Romanovski

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Person:248995

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zbMath Open romanovskii.valerii-georgievichMaRDI QIDQ248995

List of research outcomes

PublicationDate of PublicationType
Time-Reversibility and Ivariants of Some 3-dim Systems2023-11-16Paper
Integrability and linearizability of symmetric three-dimensional quadratic systems2023-06-19Paper
Computation of Normal Forms for Systems with Many Parameters2023-05-02Paper
Time-reversibility and integrability of p:-q resonant vector fields2022-11-22Paper
Integrability and bifurcation of a three-dimensional circuit differential system2022-10-25Paper
Isolated periodic wave trains in a generalized Burgers–Huxley equation2022-06-14Paper
Linearizability of planar polynomial Hamiltonian systems2021-12-15Paper
Isochronous solutions of a 3-dim symmetric quadratic system2021-11-11Paper
https://portal.mardi4nfdi.de/entity/Q51592322021-10-26Paper
https://portal.mardi4nfdi.de/entity/Q50056402021-08-10Paper
https://portal.mardi4nfdi.de/entity/Q49945562021-06-20Paper
Centers and Limit Cycles of a Generalized Cubic Riccati System2020-04-06Paper
Invariant Tori of a Two Dimensional Periodic System with the Linear-Cubic Unperturbed Part2020-01-16Paper
Hopf bifurcations in a predator-prey model with an omnivore2020-01-06Paper
The center and cyclicity problems for quartic linear-like reversible systems2019-12-18Paper
Reversibility in polynomial systems of ODE's2019-11-15Paper
Limit Cycles in a Model of Olfactory Sensory Neurons2019-04-18Paper
https://portal.mardi4nfdi.de/entity/Q31217402019-03-20Paper
Dynamics of an autocatalator model2019-01-31Paper
On three genetic repressilator topologies2018-09-24Paper
The center problem and the composition condition for a family of quartic differential systems2018-09-03Paper
Isochronicity of a \(\mathbb{Z}_2\)-equivariant quintic system2018-08-27Paper
Limit cycles in small perturbations of a planar piecewise linear Hamiltonian system with a non-regular separation line2018-07-30Paper
Linearizability and critical period bifurcations of a generalized Riccati system2018-05-17Paper
https://portal.mardi4nfdi.de/entity/Q46369362018-04-17Paper
On new integrals of the Algaba-Gamero-Garcia system2018-02-23Paper
Generalized involutive symmetry and its application in integrability of differential systems2018-01-22Paper
The Maximal Number of Limit Cycles in Perturbations of Piecewise Linear Hamiltonian Systems with Two Saddles2018-01-05Paper
Local integrability and linearizability of a \((1:-1:-1)\) resonant quadratic system2017-10-12Paper
Bi-center problem for some classes of \(\mathbb{Z}_2\)-equivariant systems2017-08-28Paper
https://portal.mardi4nfdi.de/entity/Q52791572017-07-19Paper
https://portal.mardi4nfdi.de/entity/Q52730212017-07-05Paper
Equivalence of the Melnikov function method and the averaging method2017-06-09Paper
Isochronicity and linearizability of a planar cubic system2017-02-14Paper
On the Number of Limit Cycles by Perturbing a Piecewise Smooth Liénard Model2017-01-06Paper
Qualitative investigation of a gene model using computer algebra algorithms2016-07-06Paper
Varieties and analytic normalizations of partially integrable systems2016-02-26Paper
https://portal.mardi4nfdi.de/entity/Q34648132016-01-27Paper
The center problem for a \(2:-3\) resonant cubic Lotka-Volterra system2016-01-18Paper
Complete integrability and time-reversibility of some 3-dim systems2015-12-09Paper
Integrability of complex planar systems with homogeneous nonlinearities2015-11-10Paper
Cyclicity of some Liénard systems2015-10-16Paper
Degenerate Hopf bifurcations in a family of FF-type switching systems2015-09-04Paper
Bifurcation of critical periods of polynomial systems2015-07-23Paper
Identifying weak foci and centers in the Maxwell-Bloch system2015-06-12Paper
Isochronicity and linearizability of planar polynomial Hamiltonian systems2015-05-26Paper
Bifurcation analysis of a population dynamics in a critical state2015-04-21Paper
Investigation of center manifolds of three-dimensional systems using computer algebra2015-03-23Paper
https://portal.mardi4nfdi.de/entity/Q54964192015-02-02Paper
Groebner basis methods for stationary solutions of a low-dimensional model for a shear flow2015-01-07Paper
Varieties of local integrability of analytic differential systems and their applications2014-09-12Paper
Local integrability of a family of three-dimensional quadratic systems2014-05-05Paper
Bifurcations of planar Hamiltonian systems with impulsive perturbation2014-04-09Paper
Integrability of 3-dim polynomial systems with three invariant planes2014-03-31Paper
Persistent centers of complex systems2014-02-13Paper
The \({1:-q}\) resonant center problem for certain cubic Lotka-Volterra systems2013-12-23Paper
LINEAR CENTERS WITH PERTURBATIONS OF DEGREE 2d + 52013-08-23Paper
LIMIT CYCLE BIFURCATIONS FROM CENTERS OF SYMMETRIC HAMILTONIAN SYSTEMS PERTURBED BY CUBIC POLYNOMIALS2013-08-22Paper
Weak centers and local bifurcations of critical periods at infinity for a class of rational systems2013-07-03Paper
Evaluating cyclicity of cubic systems with algorithms of computational algebra2013-04-30Paper
Linearizability and local bifurcation of critical periods in a cubic Kolmogorov system2013-04-22Paper
Integrability conditions for Lotka-Volterra planar complex quartic systems having homogeneous nonlinearities2013-04-11Paper
On the linearization theorem of Fenner and Pinto2013-03-11Paper
Estimating the number of limit cycles in polynomial systems2013-03-06Paper
Limit cycle bifurcations from a nilpotent focus or center of planar systems2013-02-04Paper
Stability and periodic oscillations in the Moon-Rand systems2012-12-28Paper
The Resonant Center Problem for a 2:-3 Resonant Cubic Lotka–Volterra System2012-09-21Paper
Isochronicity and normal forms of polynomial systems of ODEs2012-07-04Paper
Bifurcation of limit cycles by perturbing a piecewise linear Hamiltonian system with a homoclinic loop2012-06-04Paper
The center problem on a center manifold in \(\mathbb{R}^{3}\)2012-05-04Paper
Calculation of first integrals of a two-dimensional ODE system near a degenerate stationary point by computer algebra tools2012-03-12Paper
An approach to solving systems of polynomials via modular arithmetics with applications2011-11-10Paper
Normal Forms of Two p: − q Resonant Polynomial Vector Fields2011-09-02Paper
Critical periods of perturbations of reversible rigidly isochronous centers2011-08-19Paper
Linearizability conditions for Lotka-Volterra planar complex quartic systems having homogeneous nonlinearities2011-07-21Paper
Linearizability conditions of a time-reversible quartic-like system2011-07-18Paper
LIMIT CYCLES AND CENTERS IN A CUBIC PLANAR SYSTEM2011-03-30Paper
On Sufficient Conditions for Integrability of a Planar System of ODEs Near a Degenerate Stationary Point2010-09-10Paper
https://portal.mardi4nfdi.de/entity/Q35875442010-09-08Paper
Time-Reversibility in 2-Dimensional Systems2010-06-11Paper
Integrability conditions for Lotka-Volterra planar complex quintic systems2010-06-03Paper
Estimating the number of limit cycles in polynomial systems2010-05-26Paper
Limit cycle bifurcations of some Liénard systems2010-03-10Paper
https://portal.mardi4nfdi.de/entity/Q34050472010-02-12Paper
The Cyclicity of a Cubic System2010-01-26Paper
Linearizability conditions of time-reversible cubic systems2009-12-09Paper
Periodic points of some algebraic maps2009-09-08Paper
The difference equation related to the problem of the hydrogen atom in a strong magnetic field2009-09-08Paper
\(1: - 3\) resonant centers on \(\mathbb{C}^2\) with homogeneous cubic nonlinearities2009-07-18Paper
Linearizability conditions for Lotka–Volterra planar complex cubic systems2009-07-15Paper
https://portal.mardi4nfdi.de/entity/Q36235462009-04-21Paper
https://portal.mardi4nfdi.de/entity/Q36199012009-04-14Paper
https://portal.mardi4nfdi.de/entity/Q36199122009-04-14Paper
On the solvability of second-order impulsive differential equations with antiperiodic boundary value conditions2009-03-31Paper
On the center problem for \(p:-q\) resonant polynomial vector fields2009-01-22Paper
Linearizablity of 12009-01-20Paper
The cyclicity of a cubic system with nonradical Bautin ideal2009-01-13Paper
Linearizability conditions of time-reversible quartic systems having homogeneous nonlinearities2008-08-27Paper
The Center and Cyclicity Problems2008-07-01Paper
Non-isochronicity of the center at the origin in polynomial Hamiltonian systems with even degree nonlinearities2008-04-17Paper
Bifurcations of periodic points of some algebraic maps2008-01-22Paper
https://portal.mardi4nfdi.de/entity/Q54246442007-11-05Paper
Linearizability conditions for a cubic system2007-09-19Paper
Linearizability of linear systems perturbed by fifth degree homogeneous polynomials2007-06-19Paper
Isochronicity of analytic systems via Urabe's criterion2007-03-16Paper
Energy Evolution in Time-Dependent Harmonic Oscillator2006-11-03Paper
Exact energy distribution function in a time-dependent harmonic oscillator2006-09-28Paper
https://portal.mardi4nfdi.de/entity/Q54747702006-06-26Paper
Exact analysis of adiabatic invariants in the time-dependent harmonic oscillator2006-03-20Paper
Two-dimensional hydrogen atom in a strong magnetic field2004-06-10Paper
Semiclassical analysis of Wigner functions2004-06-09Paper
Linearizability of three families of cubic systems2004-06-09Paper
Critical period bifurcations of a cubic system2003-10-12Paper
The Sibirsky component of the center variety of polynomial differential systems.2003-08-21Paper
On Urabe's criteria of isochronicity2002-06-23Paper
The centre and isochronicity problems for some cubic systems2002-06-11Paper
https://portal.mardi4nfdi.de/entity/Q27809222002-03-14Paper
Exact WKB expansions for some potentials2001-03-05Paper
Some properties of WKB series2000-12-13Paper

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