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Afisarea articolelor 1-9(9) pentru cuvîntul-cheie "transvectant"
The GL(2;R)-invariant center conditions for the cubic differential systems with degenerate infinity
Calin Iurie12, Baltag Valeriu1
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-0. Vizualizări-306
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The Lyapunov quantities and the GL(2,R)-invariant center conditions for a class of bidimensional polynomial systems of differential equations with nonlinearities of the fourth degree
Ciubotaru Stanislav1, Calin Iurie2
1 Institute of Mathematics and Computer Science ASM,
2 State University of Moldova
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-221
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Invariant conditions of stability of unperturbed motion governed by critical differential systems s(1, 2, 3)

Neagu Natalia1, Orlov Victor12, Popa Mihail2
1 Moldova Tiraspol State University,
2 Vladimir Andrunakievich Institute of Mathematics and Computer Science
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(90) / 2019 / ISSN 1024-7696
Disponibil online 4 January, 2020. Descarcări-1. Vizualizări-311
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Sufficient GL(2,R)-invariant center conditions for some classes of two-dimensional cubic differential systems

Calin Iurie, Baltag Valeriu
Vladimir Andrunakievich Institute of Mathematics and Computer Science
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(90) / 2019 / ISSN 1024-7696
Disponibil online 4 January, 2020. Descarcări-1. Vizualizări-216
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The Lyapunov quantities and the center conditions for a class of bidimensional polynomial systems of differential equations with nonlinearities of the fourth degree

Calin Iurie, Ciubotaru Stanislav
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 2(84) / 2017 / ISSN 1024-7696
Disponibil online 16 November, 2017. Descarcări-3. Vizualizări-334
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Rational bases of GL(2,R)-comitants and of GL(2,R)-invariants for the planar system of differential equations with nonlinearities of the fourth degree
Ciubotaru Stanislav
Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Moldovei. Matematica
Nr. 3(79) / 2015 / ISSN 1024-7696
Disponibil online 10 June, 2016. Descarcări-7. Vizualizări-317
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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-209
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A class of bidimensional polynomial systems of differential equations with nonlinearities of the fourth degree with the symmetry axis

Calin Iurie12, Ciubotaru Stanislav1
1 Vladimir Andrunakievich Institute of Mathematics and Computer Science,
2 State University of Moldova
Proceedings IMCS-55
2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.
Disponibil online 1 November, 2019. Descarcări-7. Vizualizări-271
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Some classes of polynomial bidimensional cubic differential systems with the symmetry axis

Calin Iurie12, Baltag Valeriu1
1 Vladimir Andrunakievich Institute of Mathematics and Computer Science,
2 State University of Moldova
Proceedings IMCS-55
2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.
Disponibil online 1 November, 2019. Descarcări-2. Vizualizări-242
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