IBN
  



  














    
  


    
Închide

Afișare rezultate

SM ISO690:2012
Afisarea articolelor 1-11(11) pentru cuvîntul-cheie "Center-focus problem"
Integrability conditions for a cubic differential system with a bundle of two invariant straight lines and one invariant cubic
Cozma Dumitru, Dascalescu Anatolii
Tiraspol State University
Conference of Mathematical Society of the Republic of Moldova
4. 2017. Chişinău. ISBN 978-9975-71-915-5.
Disponibil online 5 October, 2017. Descarcări-0. Vizualizări-652
-----------------------------------------------------------------------------------------------------------------------------------
Cozma’s centers with invariant straight lines and conics
Sadovschii Anton, Shcheglova Tatsiana
Belarusian State University
Conference of Mathematical Society of the Republic of Moldova
3. 2014. Chișinău. ISBN 978-9975-68-244-2.
Disponibil online 10 October, 2017. Descarcări-0. Vizualizări-511
-----------------------------------------------------------------------------------------------------------------------------------
About one irreducible component of the center variety of cubic system with two invariant straight lines and one invariant conic
Sadovschii Anton
Belarusian State University
Conference of Mathematical Society of the Republic of Moldova
3. 2014. Chișinău. ISBN 978-9975-68-244-2.
Disponibil online 10 October, 2017. Descarcări-0. Vizualizări-512
-----------------------------------------------------------------------------------------------------------------------------------
Around the Poincaré center-focus problem
Cioban Mitrofan
Tiraspol State University
Acta et commentationes (Ştiinţe Exacte și ale Naturii)
Nr. 2(6) / 2018 / ISSN 2537-6284 /ISSNe 2587-3644
Disponibil online 31 July, 2019. Descarcări-57. Vizualizări-970
-----------------------------------------------------------------------------------------------------------------------------------
Integrability conditions for a class of cubic differential systems with a bundle of two invariant straight lines and one invariant cubic
Cozma Dumitru1, Dascalescu Anatolii2
1 Tiraspol State University,
2 Institute of Mathematics and Computer Science ASM
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(86) / 2018 / ISSN 1024-7696 /ISSNe 2587-4322
Disponibil online 26 July, 2018. Descarcări-9. Vizualizări-1036
-----------------------------------------------------------------------------------------------------------------------------------
Center problem for cubic systems with a bundle of two invariant straight lines and one invariant conic
Cozma Dumitru
Tiraspol State University
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 1(68) / 2012 / ISSN 1024-7696 /ISSNe 2587-4322
Disponibil online 7 December, 2013. Descarcări-9. Vizualizări-1063
-----------------------------------------------------------------------------------------------------------------------------------
Center problem for a class of cubic systems with a bundle of two invariant straight lines and one invariant conic
Cozma Dumitru
Tiraspol State University
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 3(64) / 2010 / ISSN 1024-7696 /ISSNe 2587-4322
Disponibil online 17 December, 2013. Descarcări-1. Vizualizări-950
-----------------------------------------------------------------------------------------------------------------------------------
Variety of the center and limit cycles of a cubic system, which is reduced to Lienard form
Bondar Y, Sadovskii Artiom
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Nr. 3(46) / 2004 / ISSN 1024-7696 /ISSNe 2587-4322
Disponibil online 16 December, 2013. Descarcări-3. Vizualizări-724
-----------------------------------------------------------------------------------------------------------------------------------
The problem of the centre for cubic systems with two parallel invariant straight lines and one invariant conic
Cozma Dumitru
Tiraspol State University
Nonlinear Differential Equations and Applications NoDEA
Nr. / 2009 / ISSN 1021-9722 /ISSNe 1420-9004
Disponibil online 13 September, 2023. Descarcări-0. Vizualizări-64
-----------------------------------------------------------------------------------------------------------------------------------
Partial integrals and the first focal value in the problem of centre
Cozma Dumitru1, Şubă Alexandru2
1 Tiraspol State University,
2 Moldova State University
Nonlinear Differential Equations and Applications NoDEA
Nr. / 1995 / ISSN 1021-9722 /ISSNe 1420-9004
Disponibil online 13 September, 2023. Descarcări-0. Vizualizări-67
-----------------------------------------------------------------------------------------------------------------------------------
Solution of the problem of the centre for a cubic differential system with three invariant straight lines
Cozma Dumitru1, Şubă Alexandru2
1 Tiraspol State University,
2 Moldova State University
Qualitative Theory of Dynamical Systems
Nr. / 2001 / ISSN 1575-5460 /ISSNe 1662-3592
Disponibil online 13 September, 2023. Descarcări-1. Vizualizări-76
-----------------------------------------------------------------------------------------------------------------------------------
 
 

1-11 of 11