Afiliat la Institutul de Matematică şi Informatică al AŞM

2017 - 2

Invariant conditions of stability of unperturbed motion governed by some differential systems in the plane

Neagu Natalia , Orlov Victor , Popa Mihail

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 3(85) / 2017 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 10 February, 2018

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On periodic solutions of the four-dimensional differential system of Lyapunov-Darboux type with quadratic nonlinearities

Orlov Victor , Popa Mihail

Conference of Mathematical Society of the Republic of Moldova

4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 311-316.

Disponibil online 5 October, 2017

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2014 - 1

First integrals with polynomials not higher than second order of the mathematical model of the intrinsic transmission dynamics of tuberculosis

Neagu Natalia , Popa Mihail , Orlov Victor

Conference of Mathematical Society of the Republic of Moldova

3. 2014. Chișinău. "VALINEX" SRL. 257-260.

Disponibil online 9 October, 2017

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2009 - 1

A complete classification of quadratic differential systems according to the dimensions of Aff(2, R)−orbits

Gherştega Natalia , Orlov Victor , Vulpe Nicolae

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(60) / 2009 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 16 December, 2013

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2008 - 2

Classification of Aff (2, R)-orbit’s dimensions for quadratic differential system

Gherştega Natalia , Orlov Victor

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(57) / 2008 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 9 December, 2013

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About classification of AFF (2, R ) - orbit’s dimensions for quadratic differential system for K5≡ 0

Orlov Victor , Gherştega Natalia

International Conference of Young Researchers

Ediția 6. 2008. Chişinău. Tipogr. Simbol-NP SRL. 130-130.

Disponibil online 25 May, 2021

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2007 - 1

Classification of GL(2,R)-orbit’s dimensions for the differential equations’ system with homogeneities of the 4th order

Naidenova Elena , Popa Mihail , Orlov Victor

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 1(53) / 2007 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 16 December, 2013

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