Afiliat la Universitatea Tehnică a Moldovei

2022 - 1

Stability of unperturbed motion governed by the ternary differential system of Lyapunov-Darboux type with nonlinearities of degree four

Neagu Natalia , Popa Mihail , Orlov Victor

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(14) / 2022 / ISSN 2537-6284 / ISSNe 2587-3644

Disponibil online 24 February, 2023

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2021 - 1

Despre unele aplicații ale numerelor complexe în geometrie

Dohotaru Leonid , Orlov Victor

Actual Problems of Mathematics and Informatics

2021. Chişinău. Tehnica- UTM. 139-142.

Disponibil online 25 June, 2021

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2019 - 1

Center-affine invariant stability conditions of unperturbed motion governed by critical cubic differential system

Neagu Natalia , Orlov Victor , Popa Mihail

Proceedings IMCS-55The Fifth Conference of Mathematical Society of the Republic of Moldova

2019. Chișinău, Republica Moldova. "VALINEX" SRL. 119-124.

Disponibil online 1 November, 2019

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2018 - 4

Center-affine invariant conditions of stability of unperturbed motion for differential system s(1,2,3) with quadratic part of Darboux type

Neagu Natalia , Orlov Victor

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(6) / 2018 / ISSN 2537-6284 / ISSNe 2587-3644

Disponibil online 31 July, 2019

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A rational basis of GL(2; R)-comitants for the bidimensional polynomial system of differential equations of the fifth degree

Calin Iurie , Orlov Victor

Conference on Applied and Industrial Mathematics CAIM 2018

Ediţia a 26-a. 2018. Chișinău, Republica Moldova. Casa Editorial-Poligrafică „Bons Offices”. 27-29.

Disponibil online 31 May, 2022

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Invariant conditions of stability of unperturbed motion described by cubic differential system with quadratic part of Darboux type

Neagu Natalia , Orlov Victor , Popa Mihail

Conference on Applied and Industrial Mathematics CAIM 2018

Ediţia a 26-a. 2018. Chișinău, Republica Moldova. Casa Editorial-Poligrafică „Bons Offices”. 37-39.

Disponibil online 31 May, 2022

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Invariant conditions of stability of motion for some four-dimensional differential systems

Orlov Victor

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(6) / 2018 / ISSN 2537-6284 / ISSNe 2587-3644

Disponibil online 31 July, 2019

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2017 - 3

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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Invariant conditions of stability of unperturbed motion for differential systems with quadratic nonlinearities in the critical case

Neagu Natalia , Orlov Victor , Popa Mihail

Conference of Mathematical Society of the Republic of Moldova

4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 301-304.

Disponibil online 5 October, 2017

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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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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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