Afișare rezultate

On stability of some examples of ternary differential critical systems with quadratic nonlinearities

Neagu Natalia1, Popa Mihail2

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Vladimir Andrunachievici Institute of Mathematics and Computer Science, MSU

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(16) / 2023 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 25 January, 2024. Descarcări-1. Vizualizări-89

-----------------------------------------------------------------------------------------------------------------------------------

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

Neagu Natalia1, Popa Mihail2, Orlov Victor3

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Vladimir Andrunachievici Institute of Mathematics and Computer Science, 3 Technical University of Moldova

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

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

Disponibil online 24 February, 2023. Descarcări-0. Vizualizări-212

-----------------------------------------------------------------------------------------------------------------------------------

Lyapunov’s stability of the unperturbed motion governed by the s3(1,3) differential system of Darboux type

Neagu Natalia1, Popa Mihail23

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Tiraspol State University, 3 Vladimir Andrunachievici Institute of Mathematics and Computer Science

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(12) / 2021 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 10 February, 2022. Descarcări-2. Vizualizări-326

-----------------------------------------------------------------------------------------------------------------------------------

On a case of stability of unperturbated motion governed by the ternary differential critical system with quadratic nonlinearities

Neagu Natalia1, Popa Mihail23

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Vladimir Andrunachievici Institute of Mathematics and Computer Science, 3 Tiraspol State University

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(8) / 2019 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 29 January, 2020. Descarcări-0. Vizualizări-735

-----------------------------------------------------------------------------------------------------------------------------------

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

Neagu Natalia1, Orlov Victor2

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Technical University of Moldova

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

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

Disponibil online 31 July, 2019. Descarcări-6. Vizualizări-637

-----------------------------------------------------------------------------------------------------------------------------------

Invariant conditions of stability of unperturbed motion governed by critical differential systems s(1, 2, 3)

Neagu Natalia1, Orlov Victor12, Popa Mihail2

1 Tiraspol State University, 2 Vladimir Andrunachievici Institute of Mathematics and Computer Science

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(90) / 2019 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 4 January, 2020. Descarcări-1. Vizualizări-880

-----------------------------------------------------------------------------------------------------------------------------------

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

Neagu Natalia1, Orlov Victor23, Popa Mihail3

1 "Ion Creangă" State Pedagogical University from Chisinau, 2 Technical University of Moldova, 3 Institute of Mathematics and Computer Science ASM

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

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

Disponibil online 10 February, 2018. Descarcări-4. Vizualizări-806

-----------------------------------------------------------------------------------------------------------------------------------

10203040501005001000