Afiliat la Institutul de Matematică şi Informatică al AŞM

2017 - 5

Phase portraits of cubic differential systems with invariant straight lines of total multiplicity eight

Bujac Cristina , Vulpe Nicolae

Conference of Mathematical Society of the Republic of Moldova

4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 245-250.

Disponibil online 5 October, 2017

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Classification of quadratic systems possessing an invariant conic and a Darboux invariant

Vulpe Nicolae , Schlomiuk Dana

Conference of Mathematical Society of the Republic of Moldova

4. 2017. Chişinău. Centrul Editorial-Poligrafic al USM. 347-350.

Disponibil online 5 October, 2017

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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

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Geometric and algebraic classification of quadratic differential systems with invariant hyperbolas

Oliveira Regilene D. S. , Rezende Alex Carlucci , Schlomiuk Dana , Vulpe Nicolae

Electronic Journal of Differential Equations

Vol. 2017, / 2017 / ISSN 1072-6691 / ISSNe 1550-6150

Disponibil online 5 September, 2018

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

Bujac Cristina , Vulpe Nicolae

Qualitative Theory of Dynamical Systems

Vol. 16, / 2017 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 10 July, 2018

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2016 - 2

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

Vol. 15, / 2016 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 25 July, 2022

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Family of quadratic differential systems with invariant hyperbolas: A complete classification in the space ℝ12

Oliveira Regilene D. S. , Rezende Alex Carlucci , Vulpe Nicolae

Electronic Journal of Differential Equations

Vol. 2016, / 2016 / ISSN 1072-6691 / ISSNe 1550-6150

Disponibil online 16 December, 2022

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2015 - 5

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

Vol. 2015, / 2015 / ISSN 1417-3875

Disponibil online 5 May, 2023

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Cubic differential systems with invariant straight lines of total multiplicity eight and four distinct infinite singularities

Bujac Cristina , Vulpe Nicolae

Journal of Mathematical Analysis and Applications

Vol. 423, Nr. 2 / 2015 / ISSN 0022-247X / ISSNe 1096-0813

Disponibil online 9 May, 2023

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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

Vol. 14, / 2015 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 10 May, 2023

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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

Vol. 45, Nr. 1 / 2015 / ISSN 0035-7596 / ISSNe 1945-3795

Disponibil online 19 May, 2023

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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

Vol. 2015, / 2015 / ISSN 1417-3875

Disponibil online 20 May, 2023

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2014 - 5

Geometric configurations of singularities for quadratic differential systems with total finite multiplicity mf = 2

Artes Joan , Llibre Jaume , Schlomiuk Dana , Vulpe Nicolae

Electronic Journal of Differential Equations

Vol. 2014, / 2014 / ISSN 1072-6691 / ISSNe 1550-6150

Disponibil online 12 September, 2023

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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

Conference of Mathematical Society of the Republic of Moldova

3. 2014. Chișinău. "VALINEX" SRL. 221-224.

Disponibil online 9 October, 2017

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Family of quadratic differential systems with invariant hyperbolas

Oliveira Regilene D. S. , Rezende Alex Carlucci , Vulpe Nicolae

Conference of Mathematical Society of the Republic of Moldova

3. 2014. Chișinău. "VALINEX" SRL. 261-264.

Disponibil online 9 October, 2017

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Bifurcation diagrams and quotient topological spaces under the action of the affine group on a subclass of quadratic vector fields

Diaconescu Oxana , Schlomiuk Dana , Vulpe Nicolae

Conference of Mathematical Society of the Republic of Moldova

3. 2014. Chișinău. "VALINEX" SRL. 183-186.

Disponibil online 9 October, 2017

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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

Vol. 13, / 2014 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 13 September, 2023

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2013 - 2

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(71) / 2013 / ISSN 1024-7696 / ISSNe 2587-4322

Disponibil online 13 December, 2013

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Modele matematice de expertiză în domenii ştiinţifice

Arnăut Vsevolod , Gaindric Constantin , Damian Florin , Magariu Galina , Rogojin Iurie , Secrieru Iulian , Verlan Tatiana , Vulpe Nicolae

Revista de Ştiinţă, Inovare, Cultură şi Artă „Akademos”

Nr. 2(29) / 2013 / ISSN 1857-0461 / ISSNe 2587-3687

Disponibil online 16 December, 2013

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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

Vol. 9, / 2010 / ISSN 1575-5460 / ISSNe 1662-3592

Disponibil online 13 September, 2023

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