Popa Mihail
Publicaţii la conferinţe din RM - 15, Descărcări - 22, Vizualizări - 8785
Differential equations and algebras ![]() |
Popa Mihail ![]() |
Science and education: new approaches and perspectives |
Seria 25. 2023. Chişinău. (CEP UPSC. 58-59. |
Disponibil online 7 November, 2023. Descarcări-0. Vizualizări-147 |
Differential Equations and Algebras ![]() |
Popa Mihail ![]() |
Conference on Applied and Industrial Mathematics |
Ediţia 30. 2023. Iași, România. . 7-11. |
Disponibil online 21 March, 2024. Descarcări-1. Vizualizări-129 |
Stability conditions of unperturbed motion governed by critical three-dimensional differential system of darboux type with nonlinearities of degree four ![]() |
Neagu Natalia ![]() ![]() |
Mathematics and Information Technologies: Research and Education |
2023. Chişinău. . 45-46. |
Disponibil online 25 April, 2024. Descarcări-0. Vizualizări-65 |
Stability problems of the unperturbed motion governed by the ternary differential system of Lyapunov-Darboux type with nonlinearities of degree four ![]() |
Neagu Natalia ![]() ![]() |
Conference on Applied and Industrial Mathematics |
Ediţia a 29. 2022. Chișinău, Republica Moldova. Casa Editorial-Poligrafică „Bons Offices”. 63-67. |
Disponibil online 19 December, 2022. Descarcări-2. Vizualizări-293 |
Four-dimensional reductive Lie algebra for the ternary differential system with quadratic nonlinearities and its perspectives in the study of this system ![]() |
Popa Mihail ![]() ![]() |
Actual Problems of Mathematics and Informatics |
2021. Chişinău. Tehnica- UTM. 72-73. |
Disponibil online 25 June, 2021. Descarcări-3. Vizualizări-369 |
Stability conditions of unperturbed motion governed by critical three-dimensional differential system of Darboux type with cubic nonlinearities ![]() |
Neagu Natalia ![]() ![]() |
Mathematics and Information Technologies: Research and Education |
2021. Chișinău, Republica Moldova. . 62-63. |
Disponibil online 30 June, 2021. Descarcări-1. Vizualizări-364 |
Comitants of Lie algebra of rotation groups for ternary system with quadratic nonlinearities ![]() |
Popa Mihail ![]() ![]() |
Învăţământ superior: tradiţii, valori, perspective |
Vol. 1. 2020. Chișinău, Republica Moldova. Universitatea de Stat din Tiraspol. 57-60. |
Disponibil online 20 November, 2020. Descarcări-2. Vizualizări-566 |
Center-affine invariant stability conditions of unperturbed motion governed by critical cubic differential system ![]() |
Neagu Natalia ![]() ![]() ![]() |
Proceedings IMCS-55 |
2019. Chișinău, Republica Moldova. "VALINEX" SRL. 119-124. |
Disponibil online 1 November, 2019. Descarcări-2. Vizualizări-657 |
Invariant conditions of stability of unperturbed motion for differential systems with quadratic nonlinearities in the critical case ![]() |
Neagu Natalia ![]() ![]() ![]() |
Conference of Mathematical Society of the Republic of Moldova |
4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 301-304. |
Disponibil online 5 October, 2017. Descarcări-1. Vizualizări-1095 |
On periodic solutions of the four-dimensional differential system of Lyapunov-Darboux type with quadratic nonlinearities ![]() |
Orlov Victor ![]() ![]() |
Conference of Mathematical Society of the Republic of Moldova |
4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 311-316. |
Disponibil online 5 October, 2017. Descarcări-2. Vizualizări-773 |
Prolonged holding and cyclic loading indentation of aluminophosphate glass: kinetics of deformation ![]() |
Răzlog (Belei) Ina , Şikimaka Olga ![]() ![]() ![]() ![]() ![]() ![]() |
Materials Science and Condensed Matter Physics |
Editia 8. 2016. Chişinău. Institutul de Fizică Aplicată. 185-185. |
Disponibil online 30 July, 2019. Descarcări-2. Vizualizări-710 |
Algebraic methods to the center-focus problem ![]() |
Popa Mihail ![]() ![]() |
Învățămîntul superior din Republica Moldova la 85 de ani |
Vol. 1. 2015. Chișinău, Republica Moldova. Universitatea de Stat din Tiraspol. 33-35. |
Disponibil online 24 July, 2019. Descarcări-0. Vizualizări-570 |
First integrals with polynomials not higher than second order of the mathematical model of the intrinsic transmission dynamics of tuberculosis ![]() |
Neagu Natalia ![]() ![]() ![]() |
Conference of Mathematical Society of the Republic of Moldova |
3. 2014. Chișinău. "VALINEX" SRL. 257-260. |
Disponibil online 9 October, 2017. Descarcări-3. Vizualizări-1275 |
The upper and lower bounds for number of conditions for center of the differential system s(1; 2; :::; q) ![]() |
Popa Mihail ![]() ![]() |
Conference of Mathematical Society of the Republic of Moldova |
3. 2014. Chișinău. "VALINEX" SRL. 265-268. |
Disponibil online 9 October, 2017. Descarcări-0. Vizualizări-941 |
Methods of lie algebras and orbits in the study of differential systems concerned with the problems of energy safety of the Republic of Moldova ![]() |
Popa Mihail ![]() ![]() |
Energetica Moldovei. Aspecte regionale de dezvoltare |
Ediția I. 2005. Chișinău, Republica Moldova. Institutul de Energetică al Academiei de Științe a Moldovei. 157-161. |
Disponibil online 31 July, 2018. Descarcări-3. Vizualizări-831 |