IBN
Închide
Popa Mihail
Dinamica numărului de publicaţii pe ani
Dinamica articolelor pe ani
Distribuirea numărului de pagini publicate pe categorii de reviste și ani
Distribuirea articolelor pe domenii şi ani
Colaborarea autorului
Dinamica descărcărilor pe ani
Proiecte(1)
Scopus Author ID
ORCiD
Google Scholar ID

Articole în reviste din RM - 16. Publicaţii la conferinţe din RM - 14. Publicaţii peste hotare - 3.
Publicații indexate în SCOPUS - 5. Teze/Rezumate în culegeri - 5.
XLS PDF DOC
SM ISO690:2012
DOC
ISO 690:2012Clasificate
  • 3. Articole în reviste din RM
  • 3.1. Articole în reviste științifice din RM (perioada în care au avut categorie de clasificare + 2 numere până la aprobarea statutului de publicație științifică)
  • 3.1.1.Articole în reviste de cat. A - 3
  • 3.1.3.Articole în reviste de cat. B - 8
  • 3.1.5.Articole în reviste științifice din RM (până în 2009) - 4
  • 3.2.Articole în alte reviste din RM - 1
  • 5. Publicaţii la manifestări din RM
  • 5.1.Publicații la manifestări științifice din RM (incluse în Registrele manifestărilor științifice aprobate de către ANACEC) - 1
  • 5.3.Publicații la alte manifestări din RM - 10
  • 5.4.Teze / rezumate în culegerile de la alte manifestări din RM - 3
  • 6. Publicații la manifestări științifice de peste hotare
  • 6.3.Alte publicații la manifestări științifice de peste hotare - 3

2023 - 4

Differential equations and algebras
Popa Mihail12
1 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
2 "Ion Creangă" State Pedagogical University from Chisinau
Science and education: new approaches and perspectives. Selective collection of abstracts
Seria 25. 2023. Chişinău. ISBN 978-9975-46-788-9.
Disponibil online 7 November, 2023. Descarcări-0. Vizualizări-86
-----------------------------------------------------------------------------------------------------------------------------------
Differential Equations and Algebras
Popa Mihail12
1 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
2 "Ion Creangă" State Pedagogical University from Chisinau
Conference on Applied and Industrial MathematicsCAIM 2022
Ediţia 30. 2023. Iași, România. .
Disponibil online 21 March, 2024. Descarcări-0. Vizualizări-23
-----------------------------------------------------------------------------------------------------------------------------------
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-50
-----------------------------------------------------------------------------------------------------------------------------------
Professor Alexandru Subă on his 70th birthday
Cozma Dumitru1 , 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-57
-----------------------------------------------------------------------------------------------------------------------------------

2022 - 3

Problems of the theory of invariants and Lie algebras applied in the qualitative theory of differential systems
Popa Mihail
Vladimir Andrunachievici Institute of Mathematics and Computer Science
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-184
-----------------------------------------------------------------------------------------------------------------------------------
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-200
-----------------------------------------------------------------------------------------------------------------------------------
Stability problems of the unperturbed motion governed by the ternary differential system of Lyapunov-Darboux type with nonlinearities of degree four
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
Conference on Applied and Industrial MathematicsCAIM 2022
Ediţia a 29. 2022. Chișinău, Republica Moldova. ISBN 978-9975-81-074-6.
Disponibil online 19 December, 2022. Descarcări-2. Vizualizări-233
-----------------------------------------------------------------------------------------------------------------------------------

2021 - 4

Four-dimensional reductive Lie algebra for the ternary differential system with quadratic nonlinearities and its perspectives in the study of this system
Popa Mihail1 , Pricop Victor2
1 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
2 "Ion Creangă" State Pedagogical University from Chisinau
Actual Problems of Mathematics and Informatics
2021. Chişinău. ISBN 978-9975-45-677-7.
Disponibil online 25 June, 2021. Descarcări-3. Vizualizări-287
-----------------------------------------------------------------------------------------------------------------------------------
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-317
-----------------------------------------------------------------------------------------------------------------------------------
Stability conditions of unperturbed motion governed by critical three-dimensional differential system of Darboux type with cubic nonlinearities
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
Mathematics and IT: Research and Education
2021. Chișinău, Republica Moldova. .
Disponibil online 30 June, 2021. Descarcări-1. Vizualizări-289
-----------------------------------------------------------------------------------------------------------------------------------
Stability conditions of unperturbed motion governed by critical three-dimensional di_erential system of Darboux type s3(1; 2; 3)
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
Conference on Applied and Industrial Mathematics CAIM 2021
Ediţia a 28-a. 2021. Chișinău, Republica Moldova. .
Disponibil online 20 September, 2022. Descarcări-0. Vizualizări-181
-----------------------------------------------------------------------------------------------------------------------------------

2020 - 2

About an algebraic vision on the center and focus problem
Popa Mihail1 , Pricop Victor2
1 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
2 "Ion Creangă" State Pedagogical University from Chisinau
Сучаснi проблеми диференцiальних рiвнянь та їх застосування Матерiали мiжнародної наукової конференцiї, присвяченої 100-рiччю вiд дня народження професора С.Д. Ейдельмана
2020. Чернiвцi. .
Disponibil online 24 November, 2023. Descarcări-0. Vizualizări-74
-----------------------------------------------------------------------------------------------------------------------------------
Comitants of Lie algebra of rotation groups for ternary system with quadratic nonlinearities
Popa Mihail1 , Pricop Victor2
1 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
2 "Ion Creangă" State Pedagogical University from Chisinau
Învăţământ superior: tradiţii, valori, perspective Științe Exacte și ale Naturii și Didactica Științelor Exacte și ale Naturii
Vol. 1. 2020. Chișinău, Republica Moldova. ISBN 978-9975-76-360-8.
Disponibil online 20 November, 2020. Descarcări-2. Vizualizări-490
-----------------------------------------------------------------------------------------------------------------------------------

2019 - 4

Center-affine invariant stability conditions of unperturbed motion governed by critical cubic differential system
Neagu Natalia12 , Orlov Victor34 , Popa Mihail41
1 Tiraspol State University,
2 "Ion Creangă" State Pedagogical University from Chisinau,
3 Technical University of Moldova,
4 Vladimir Andrunachievici Institute of Mathematics and Computer Science
Proceedings IMCS-55The Fifth Conference of Mathematical Society of the Republic of Moldova
2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.
Disponibil online 1 November, 2019. Descarcări-2. Vizualizări-568
-----------------------------------------------------------------------------------------------------------------------------------
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-843
-----------------------------------------------------------------------------------------------------------------------------------
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-690
-----------------------------------------------------------------------------------------------------------------------------------
On the upper bound of the number of functionally independent focal quantities of the Lyapunov differential system
Popa Mihail , Pricop Victor
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 3 January, 2020. Descarcări-1. Vizualizări-532
-----------------------------------------------------------------------------------------------------------------------------------

2018 - 2

Invariant conditions of stability of unperturbed motion described by cubic differential system with quadratic part of Darboux type
Neagu Natalia12 , Orlov Victor34 , Popa Mihail3
1 Tiraspol State University,
2 "Ion Creangă" State Pedagogical University from Chisinau,
3 Vladimir Andrunachievici Institute of Mathematics and Computer Science,
4 Technical University of Moldova
Conference on Applied and Industrial Mathematics CAIM 2018
Ediţia a 26-a. 2018. Chișinău, Republica Moldova. ISBN 978-9975-76-247-2.
Disponibil online 31 May, 2022. Descarcări-2. Vizualizări-214
-----------------------------------------------------------------------------------------------------------------------------------
The center-focus problem: algebraic solutions and Hypotheses
Popa Mihail , Pricop Victor
1 Institutul de Matematică şi Informatică al AŞM,
Chişinău, 2018 / ISBN 978-9975-62-416-9
Disponibil online 26 January, 2024. Descarcări-1. Vizualizări-16
-----------------------------------------------------------------------------------------------------------------------------------

2017 - 3

Проблемы центра и фокуса: алгебраические решения и гипотезы
Popa Mihail , Pricop Victor
1 Institutul de Matematică şi Informatică al AŞM,
Chişinău, 2018 / ISBN 978-9975-62-416-9
Disponibil online 26 January, 2024. Descarcări-1. Vizualizări-16
-----------------------------------------------------------------------------------------------------------------------------------
Invariant conditions of stability of unperturbed motion for differential systems with quadratic nonlinearities in the critical case
Neagu Natalia12 , Orlov Victor3 , Popa Mihail4
1 Tiraspol State University,
2 "Ion Creangă" State Pedagogical University from Chisinau,
3 Technical University of Moldova,
4 Institute of Mathematics and Computer Science ASM
Conference of Mathematical Society of the Republic of Moldova
4. 2017. Chişinău. ISBN 978-9975-71-915-5.
Disponibil online 5 October, 2017. Descarcări-1. Vizualizări-968
-----------------------------------------------------------------------------------------------------------------------------------
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-793
-----------------------------------------------------------------------------------------------------------------------------------

2016 - 1

On periodic solutions of the four-dimensional differential system of Lyapunov-Darboux type with quadratic nonlinearities
Orlov Victor12 , Popa Mihail2
1 Technical University of Moldova,
2 Institute of Mathematics and Computer Science ASM
Conference of Mathematical Society of the Republic of Moldova
4. 2017. Chişinău. ISBN 978-9975-71-915-5.
Disponibil online 5 October, 2017. Descarcări-2. Vizualizări-698
-----------------------------------------------------------------------------------------------------------------------------------

2015 - 1

Prolonged holding and cyclic loading indentation of aluminophosphate glass: kinetics of deformation
Răzlog (Belei) Ina1 , Shikimaka Olga A.1 , Grabco Daria1 , Sava Bogdan Alexandru2 , Boroica Lucica2 , Elişa Mihail3 , Pyrtsac Constantin1 , Prisăcaru Andrian1 , Popa Mihail1
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 National Institute for Laser, Plasma and Radiation Physics (INFLPR),
3 National Institute for Optoelectronics INOE2000, Magurele
Materials Science and Condensed Matter Physics
Editia 8. 2016. Chişinău. ISBN 978-9975-9787-1-2.
Disponibil online 30 July, 2019. Descarcări-2. Vizualizări-621
-----------------------------------------------------------------------------------------------------------------------------------

2014 - 2

Algebraic methods to the center-focus problem
Popa Mihail1 , Pricop Victor2
1 Institute of Mathematics and Computer Science ASM,
2 "Ion Creangă" State Pedagogical University from Chisinau
Învățămîntul superior din Republica Moldova la 85 de ani Probleme actuale ale ștințelor exacte și ale naturii
Vol. 1. 2015. Chișinău, Republica Moldova. ISBN 978-9975-76-159-8.
Disponibil online 24 July, 2019. Descarcări-0. Vizualizări-496
-----------------------------------------------------------------------------------------------------------------------------------
First integrals with polynomials not higher than second order of the mathematical model of the intrinsic transmission dynamics of tuberculosis
Neagu Natalia1 , Popa Mihail2 , Orlov Victor23
1 "Ion Creangă" State Pedagogical University from Chisinau,
2 Institute of Mathematics and Computer Science ASM,
3 Technical University of Moldova
Conference of Mathematical Society of the Republic of Moldova
3. 2014. Chișinău. ISBN 978-9975-68-244-2.
Disponibil online 9 October, 2017. Descarcări-3. Vizualizări-1195
-----------------------------------------------------------------------------------------------------------------------------------

2013 - 1

The upper and lower bounds for number of conditions for center of the differential system s(1; 2; :::; q)
Popa Mihail1 , Pricop Victor12
1 Institute of Mathematics and Computer Science ASM,
2 "Ion Creangă" State Pedagogical University from Chisinau
Conference of Mathematical Society of the Republic of Moldova
3. 2014. Chișinău. ISBN 978-9975-68-244-2.
Disponibil online 9 October, 2017. Descarcări-0. Vizualizări-862
-----------------------------------------------------------------------------------------------------------------------------------

2012 - 1

Applications of algebraic methods in solving the center-focus problem
Popa Mihail , Pricop Victor
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(71) / 2013 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 15 December, 2013. Descarcări-5. Vizualizări-917
-----------------------------------------------------------------------------------------------------------------------------------

2010 - 1

Generators of the algebras of invariants for differential system with homogeneous nonlinearities of odd degree
Gherştega Natalia , Popa Mihail , Pricop Victor
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 2(69) / 2012 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 15 December, 2013. Descarcări-0. Vizualizări-1067
-----------------------------------------------------------------------------------------------------------------------------------

2007 - 1

About characteristics of graded algebras S1,4 and SI1,4
Gherştega Natalia , Popa Mihail , Pricop Victor
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(62) / 2010 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 15 December, 2013. Descarcări-1. Vizualizări-937
-----------------------------------------------------------------------------------------------------------------------------------

2006 - 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
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(53) / 2007 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 16 December, 2013. Descarcări-0. Vizualizări-980
-----------------------------------------------------------------------------------------------------------------------------------

2005 - 2

Lie algebras of operators and invariant GL(2,R)-integrals for Darboux type differential systems
Diaconescu Oxana , Popa Mihail
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 3(52) / 2006 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 18 December, 2015. Descarcări-1. Vizualizări-773
-----------------------------------------------------------------------------------------------------------------------------------
Lie algebras of the operators and three-dimensional polynomial differential systems
Gherştega Natalia1 , Popa Mihail2
1 Tiraspol State University,
2 Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 2(48) / 2005 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 7 December, 2013. Descarcări-5. Vizualizări-954
-----------------------------------------------------------------------------------------------------------------------------------

2003 - 1

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 Mihail1 , Bycova Elena V.2 , Staruş Elena1 , Gherştega Natalia3
1 Institute of Mathematics and Computer Science ASM,
2 Institute of Power Engineering of ASM,
3 Tiraspol State University
Energetica Moldovei. Aspecte regionale de dezvoltare
Ediția I. 2005. Chișinău, Republica Moldova. ISBN 9975-62-145-7.
Disponibil online 31 July, 2018. Descarcări-3. Vizualizări-717
-----------------------------------------------------------------------------------------------------------------------------------
A Lie algebra of a differential generalized Fitz Hugh–Nagumo system
Popa Mihail1 , Georgescu Adelina2 , Rocsoreanu Carmen3
1 Institute of Mathematics and Computer Science ASM,
2 University of Pitesti,
3 University of Craiova
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(41) / 2003 / ISSN 1024-7696 / ISSNe 2587-4322
Disponibil online 13 December, 2013. Descarcări-1. Vizualizări-789
-----------------------------------------------------------------------------------------------------------------------------------
1 - 34 of 34