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Afisarea articolelor 1-19(19) pentru cuvîntul-cheie "differential system"
The rational bases of GL(2;R)-comitants and of invariants for the bidimensional system of differential equations with nonlinearities of the fourth degree
Calin Iurie12, Ciubotaru Stanislav1
1 Institute of Mathematics and Computer Science ASM,
2 State 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-1. Vizualizări-312
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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-1. Vizualizări-385
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Invariant conditions of stability of motion for some four-dimensional differential systems

Orlov Victor
Technical University of Moldova
Acta et commentationes (Ştiinţe Exacte și ale Naturii)
Nr. 2(6) / 2018 / ISSN 2537-6284
Disponibil online 31 July, 2019. Descarcări-2. Vizualizări-318
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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 Creanga Pedagogical State University of Chisinau,
2 Technical University of Moldova
Acta et commentationes (Ştiinţe Exacte și ale Naturii)
Nr. 2(6) / 2018 / ISSN 2537-6284
Disponibil online 31 July, 2019. Descarcări-6. Vizualizări-323
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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, Bîcova Elena2, Staruş Elena1, Gherştega Natalia3
1 Institute of Mathematics and Computer Science ASM,
2 Institute of Power Engineering of ASM,
3 Moldova 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-1. Vizualizări-351
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About classification of AFF (2, R ) - orbit’s dimensions for quadratic differential system for K5≡ 0

Orlov Victor, Gherştega Natalia
Institute of Mathematics and Computer Science ASM
International Conference of Young Researchers
Ediția 6. 2008. Chişinău. ISBN 978-9975-62-196-0.
Disponibil online 25 May, 2021. Descarcări-0. Vizualizări-54
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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 Moldovei. Matematica
Nr. 2(69) / 2012 / ISSN 1024-7696
Disponibil online 15 December, 2013. Descarcări-0. Vizualizări-687
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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 Moldovei. Matematica
Nr. 1(62) / 2010 / ISSN 1024-7696
Disponibil online 15 December, 2013. Descarcări-0. Vizualizări-664
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Classification of Aff (2, R)-orbit’s dimensions for quadratic differential system
Gherştega Natalia, Orlov Victor
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(57) / 2008 / ISSN 1024-7696
Disponibil online 9 December, 2013. Descarcări-0. Vizualizări-664
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GL(2,R)-orbits in a competing species model
Georgescu Raluca-Mihaela1, Naidenova Elena2
1 University of Pitesti,
2 Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 1(53) / 2007 / ISSN 1024-7696
Disponibil online 17 December, 2013. Descarcări-1. Vizualizări-575
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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 Moldovei. Matematica
Nr. 1(53) / 2007 / ISSN 1024-7696
Disponibil online 16 December, 2013. Descarcări-0. Vizualizări-686
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Functional bases of centro-affine invariants for the three-dimensional quadratic differential systems
Gherştega Natalia
Moldova Tiraspol State University
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 1(50) / 2006 / ISSN 1024-7696
Disponibil online 14 December, 2015. Descarcări-3. Vizualizări-405
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Lie algebras of the operators and three-dimensional polynomial differential systems
Gherştega Natalia1, Popa Mihail2
1 Moldova Tiraspol State University,
2 Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(48) / 2005 / ISSN 1024-7696
Disponibil online 7 December, 2013. Descarcări-5. Vizualizări-646
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Center-affine invariant stability conditions of unperturbed motion governed by critical cubic differential system

Neagu Natalia12, Orlov Victor34, Popa Mihail41
1 Moldova Tiraspol State University,
2 Ion Creanga Pedagogical State University of Chisinau,
3 Technical University of Moldova,
4 Vladimir Andrunakievich Institute of Mathematics and Computer Science
Proceedings IMCS-55
2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.
Disponibil online 1 November, 2019. Descarcări-2. Vizualizări-292
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The classification of GL(2,R)-orbits’ dimensions for system s(0, 2) and the factorsystem s(0, 1, 2)/GL(2,R)
Staruş Elena
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 1(44) / 2004 / ISSN 1024-7696
Disponibil online 7 December, 2013. Descarcări-0. Vizualizări-532
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Invariant conditions for the dimensions of the GL(2,R)-orbits for one differential cubic system
Staruş Elena
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 3(43) / 2003 / ISSN 1024-7696
Disponibil online 7 December, 2013. Descarcări-0. Vizualizări-416
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On rational bases of GL(2,R)-comitants of planar polynomial systems of differential equations
Calin Iurie
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(42) / 2003 / ISSN 1024-7696
Disponibil online 7 December, 2013. Descarcări-1. Vizualizări-552
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Unele modele matematice a luptelor armate

Afanas Dorin, Safonov Ghenadie, Babără Irina
Învățămîntul superior din Republica Moldova la 85 de ani
Vol. 1. 2015. Chișinău, Republica Moldova. ISBN 978-9975-76-159-8.
Disponibil online 24 July, 2019. Descarcări-0. Vizualizări-274
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On the invariant integral for the affine fourdimensional differential system

Diaconescu Oxana
Vladimir Andrunakievich Institute of Mathematics and Computer Science
Conferinţa Internaţională a Tinerilor Cercetători
2005. Chişinău. ISBN 9975-9716-1-X.
Disponibil online 7 July, 2021. Descarcări-0. Vizualizări-17
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