Algebraic limit cycles in polynomial differential systems with a weak focus

Şubă Alexandru1, Cozma Dumitru2

1 Institute of Mathematics and Computer Science ASM, 2 Tiraspol 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-725

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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-539

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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-544

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