Vulpe Nicolae

Publicații indexate în SCOPUS - (18), Descărcări - 25, Vizualizări - 6366

2024 - 1

Global Analysis of Riccati Quadratic Differential Systems

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

International Journal of Bifurcation and Chaos

Nr. / 2024 / ISSN 0218-1274 / ISSNe 1793-6551

Disponibil online 18 February, 2024. Descarcări-0. Vizualizări-91

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2023 - 2

The bifurcation diagram of the configurations of invariant lines of total multiplicity exactly three in quadratic vector fields

Bujac Cristina , Schlomiuk Dana , Vulpe Nicolae

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 1 / 2023 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 25 August, 2023. Descarcări-2. Vizualizări-153

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The family of cubic differential systems with two real and two complex distinct infinite singularities and invariant straight lines of the type (3, 1, 1, 1)

Bujac Cristina , Schlomiuk Dana , Vulpe Nicolae

Electronic Journal of Qualitative Theory of Differential Equations

Nr. / 2023 / ISSN 1417-3875

Disponibil online 12 September, 2023. Descarcări-3. Vizualizări-174

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2022 - 2

Geometric analysis of quadratic differential systems with invariant ellipses

Mota Marcos Coutinho , Rezende Alex Carlucci , Schlomiuk Dana , Vulpe Nicolae

Topological Methods in Nonlinear Analysis

Nr. 2 / 2022 / ISSN 1230-3429

Disponibil online 6 August, 2022. Descarcări-0. Vizualizări-240

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On Families QSL ≥ 2 of Quadratic Systems with Invariant Lines of Total Multiplicity At Least 2

Bujac Cristina , Schlomiuk Dana , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2022 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 8 October, 2022. Descarcări-0. Vizualizări-342

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2020 - 1

Global Topological Configurations of Singularities for the Whole Family of Quadratic Differential Systems

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2020 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 6 March, 2020. Descarcări-0. Vizualizări-879

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2019 - 1

The topological classification of a family of quadratic differential systems in terms of affine invariant polynomials

Schlomiuk Dana , Vulpe Nicolae

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2 / 2019 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 3 January, 2020. Descarcări-1. Vizualizări-896

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2017 - 2

Cubic Differential Systems with Invariant Straight Lines of Total Multiplicity Eight possessing One Infinite Singularity

Bujac Cristina , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2017 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 10 July, 2018. Descarcări-1. Vizualizări-760

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First integrals and phase portraits of planar polynomial differential cubic systems with invariant straight lines of total multiplicity eight

Bujac Cristina , Vulpe Nicolae

Electronic Journal of Qualitative Theory of Differential Equations

Nr. 1 / 2017 / ISSN 1417-3875

Disponibil online 28 February, 2022. Descarcări-1. Vizualizări-255

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2016 - 1

First Integrals and Phase Portraits of Planar Polynomial Differential Cubic Systems with the Maximum Number of Invariant Straight Lines

Bujac Cristina , Llibre Jaume , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2016 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 25 July, 2022. Descarcări-0. Vizualizări-208

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2015 - 4

Classification of cubic differential systems with invariant straight lines of total multiplicity eight and two distinct infinite singularities

Bujac Cristina , Vulpe Nicolae

Electronic Journal of Qualitative Theory of Differential Equations

Nr. / 2015 / ISSN 1417-3875

Disponibil online 5 May, 2023. Descarcări-0. Vizualizări-184

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Cubic Systems with Invariant Straight Lines of Total Multiplicity Eight and with Three Distinct Infinite Singularities

Bujac Cristina , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2015 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 10 May, 2023. Descarcări-0. Vizualizări-198

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From topological to geometric equivalence in the classification of singularities at infinity for quadratic vector fields

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

Rocky Mountain Journal of Mathematics

Nr. 1 / 2015 / ISSN 0035-7596 / ISSNe 1945-3795

Disponibil online 19 May, 2023. Descarcări-1. Vizualizări-179

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Global configurations of singularities for quadratic differential systems with exactly three finite singularities of total multiplicity four

Artes Joan , Llibreb Jaume , Schlomiuk Dana , Vulpe Nicolae

Electronic Journal of Qualitative Theory of Differential Equations

Nr. / 2015 / ISSN 1417-3875

Disponibil online 20 May, 2023. Descarcări-8. Vizualizări-214

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2014 - 1

Global Configurations of Singularities for Quadratic Differential Systems with Total Finite Multiplicity Three and at Most Two Real Singularities

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2014 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 13 September, 2023. Descarcări-2. Vizualizări-124

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2013 - 1

Geometric configurations of singularities for quadratic differential systems with total finite multiplicity lower than 2

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 1 / 2013 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 13 December, 2013. Descarcări-4. Vizualizări-1212

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2010 - 1

Bifurcation diagrams and moduli spaces of planar quadratic vector fields with invariant lines of total multiplicity four and having exactly three real singularities at infinity

Schlomiuk Dana , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2010 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 13 September, 2023. Descarcări-1. Vizualizări-165

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2004 - 1

Planar quadratic vector fields with invariant lines of total multiplicity at least five

Schlomiuk Dana , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Nr. / 2004 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 13 September, 2023. Descarcări-1. Vizualizări-92

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