Chimia ecologică: soluţii pentru mediul ambiant

Lupaşcu Teodor; Gonţa Maria

Afișare rezultate

SM ISO690:2012

Afisarea articolelor 1-20(22) pentru cuvîntul-cheie "invariant"

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 Moldova 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-2. Vizualizări-712

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The rational bases of GL(2;R)-comitants and of invariants for the bidimensional system of differential equations with nonlinearities of the fourth degree

Calin Iurie¹², Ciubotaru Stanislav¹

¹ Institute of Mathematics and Computer Science ASM,
² Moldova State University

Conference of Mathematical Society of the Republic of Moldova

3. 2014. Chișinău. ISBN 978-9975-68-244-2.

Disponibil online 9 October, 2017. Descarcări-2. Vizualizări-717

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Invariant conditions of stability of motion for some four-dimensional differential systems

Orlov Victor

Technical University of Moldova

Acta et commentationes (Ştiinţe Exacte și ale Naturii)

Nr. 2(6) / 2018 / ISSN 2537-6284 /ISSNe 2587-3644

Disponibil online 31 July, 2019. Descarcări-5. Vizualizări-822

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Face recognition on the basis of moment invariants, principal component analysis and correlation

Perju Veaceslav¹², Casasent David P.³, Mardare Igor¹

¹ Technical University of Moldova,
² Free International University of Moldova,
³ Carnegie Mellon University, Pittsburgh, USA

Proceedings of SPIE - The International Society for Optical Engineering

Ediţia 19, Vol.6977. 2008. Bellingham, Washington. ISSN 0277-786X.

Disponibil online 2 December, 2023. Descarcări-0. Vizualizări-167

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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 Andrunachievici Institute of Mathematics and Computer Science

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(90) / 2019 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 4 January, 2020. Descarcări-1. Vizualizări-698

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Solution and full classification of generalized binary functional equations of the type (3; 3; 0)

Krainichuk Halyna, Sokhatsky Fedir M.

Vasyl Stus Donetsk National University

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(87) / 2018 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 2 December, 2018. Descarcări-7. Vizualizări-831

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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 Republicii Moldova. Matematica

Nr. 2(84) / 2017 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 16 November, 2017. Descarcări-4. Vizualizări-838

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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 Republicii Moldova. Matematica

Nr. 3(79) / 2015 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 10 June, 2016. Descarcări-7. Vizualizări-841

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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 Andrunachievici Institute of Mathematics and Computer Science,
² Moldova State University

Proceedings IMCS-55

2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.

Disponibil online 1 November, 2019. Descarcări-7. Vizualizări-794

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Some classes of polynomial bidimensional cubic differential systems with the symmetry axis

Calin Iurie¹², Baltag Valeriu¹

¹ Vladimir Andrunachievici Institute of Mathematics and Computer Science,
² Moldova State University

Proceedings IMCS-55

2019. Chișinău, Republica Moldova. ISBN 978-9975-68-378-4.

Disponibil online 1 November, 2019. Descarcări-3. Vizualizări-767

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Invariant conditions for the dimensions of the GL(2,R)-orbits for one differential cubic system

Staruş Elena

Institute of Mathematics and Computer Science ASM

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 3(43) / 2003 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 7 December, 2013. Descarcări-2. Vizualizări-775

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On rational bases of GL(2,R)-comitants of planar polynomial systems of differential equations

Calin Iurie

Institute of Mathematics and Computer Science ASM

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(42) / 2003 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 7 December, 2013. Descarcări-1. Vizualizări-994

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Algebraic equations with invariant coefficients in qualitative study of the polynomial homogeneous differential systems

Baltag Valeriu

Institute of Mathematics and Computer Science ASM

Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica

Nr. 2(42) / 2003 / ISSN 1024-7696 /ISSNe 2587-4322

Disponibil online 7 December, 2013. Descarcări-9. Vizualizări-1018

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Projective geometry invariants of human body and multi-port electrical circuits

Penin Alexandru

Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova

IFMBE Proceedings

Editia 3, Vol.55. 2016. . ISSN 16800737.

Disponibil online 30 December, 2022. Descarcări-0. Vizualizări-298

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Transmission of resistance sensor signals over multi-wire line with losses

Penin Alexandru, Sidorenko Anatolie

Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova

IFMBE Proceedings

Editia 3, Vol.55. 2016. . ISSN 16800737.

Disponibil online 30 December, 2022. Descarcări-0. Vizualizări-310

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Foliation of the Space sl∗(nℝ) into Coadjoint Orbits

Palii Iurie¹²

¹ Institute of Applied Physics,

Journal of Mathematical Sciences (United States)

Nr. 5(240) / 2019 / ISSN 1072-3374 /ISSNe 1573-8795

Disponibil online 24 October, 2019. Descarcări-0. Vizualizări-542

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Numărul şi multiplicitatea dreptelor invariante ale sistemului omogen bipătrat de ecuaţii diferenţiale

Anţalovschi Natalia

Conferinţa Internaţională a Tinerilor Cercetători

2005. Chişinău. ISBN 9975-9716-1-X.

Disponibil online 8 July, 2021. Descarcări-0. Vizualizări-281

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Studiul topologic al sistemului omogen bipătrat de ecuaţii diferenţiale cu cinci drepte invariante reale diferite

Anţalovschi Natalia

Conferinţa Internaţională a Tinerilor Cercetători

2005. Chişinău. ISBN 9975-9716-1-X.

Disponibil online 8 July, 2021. Descarcări-1. Vizualizări-446

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Use of Fractional-Quadratic Approximation Invariant of Nonlinear Characteristic of Magnetoelectric Sensor

Penin Alexandru¹, Sidorenko Anatolie¹²

¹ Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu",
² Technical University of Moldova

IFMBE Proceedings

Ediția 5, Vol.87. 2022. Chişinău. ISSN 16800737.

Disponibil online 30 January, 2022. Descarcări-0. Vizualizări-412

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Способы репрезентации категории определенности/неопределенности в современном русском языке

Sirota Elena

Бельцкий Государственный Университет "Алеку Руссо"

Tradiţie şi inovare în cercetarea ştiinţifică

Ediția 5. 2014. Bălți, Republica Moldova. ISBN 978-9975-50-144-6.

Disponibil online 30 June, 2024. Descarcări-0. Vizualizări-55

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