Results 31 to 40 of about 95,578 (255)

Pinceaux linéaires de feuilletages sur CP(3) et conjecture de Brunella [PDF]

open access: yes, 2002
The general element of a pencil of Cod 1 foliation in CP(3) either has an invariant surface or contains a subfoliation by algebraic ...
Cerveau, Dominique
core   +2 more sources

Tropical geometry and correspondence theorems via toric stacks

open access: yes, 2011
In this paper we generalize correspondence theorems of Mikhalkin and Nishinou-Siebert providing a correspondence between algebraic and parameterized tropical curves. We also give a description of a canonical tropicalization procedure for algebraic curves
Tyomkin, Ilya
core   +1 more source

Wetting, Algebraic Curves, and Conformal Invariance

open access: yesPhysical Review Letters
Recent studies of wetting in a two-component square-gradient model of interfaces in a fluid mixture, showing three-phase bulk coexistence, have revealed some highly surprising features. Numerical results show that the density profile paths, which form a tricuspid shape in the density plane, have curious geometric properties, while conjectures for the ...
A. O. Parry, C. Rascón
openaire   +4 more sources

Higher-order Alexander invariants of plane algebraic curves [PDF]

open access: yesInternational Mathematics Research Notices, 2006
a new section 'Examples' is ...
Leidy, Constance, Maxim, Laurentiu
openaire   +2 more sources

The Cubic Polynomial Differential Systems with two Circles as Algebraic Limit Cycles

open access: yesAdvanced Nonlinear Studies, 2018
In this paper we characterize all cubic polynomial differential systems in the plane having two circles as invariant algebraic limit cycles.
Giné Jaume, Llibre Jaume, Valls Claudia
doaj   +1 more source

Automorphisms and non-integrability

open access: yesAnais da Academia Brasileira de Ciências, 2005
On this note we prove that a holomorphic foliation of the projective plane with rich, but finite, automorphism group does not have invariant algebraic curves.Seja {mathcal F} uma folheação do plano projetivo complexo de grau d com grupo de automorfismo ...
Jorge V. Pereira, Percy F. Sánchez
doaj   +1 more source

On the arithmetic of simple singularities of type E. [PDF]

open access: yes, 2017
An ADE Dynkin diagram gives rise to a family of algebraic curves. In this paper, we use arithmetic invariant theory to study the integral points of the curves associated to the exceptional diagrams E 6 , E 7 , E 8 . These curves are non-hyperelliptic
Romano, Beth, Thorne, Jack A
core   +2 more sources

On the Formal Integrability Problem for Planar Differential Systems

open access: yesAbstract and Applied Analysis, 2013
We study the analytic integrability problem through the formal integrability problem and we show its connection, in some cases, with the existence of invariant analytic (sometimes algebraic) curves. From the results obtained, we consider some families of
Antonio Algaba   +2 more
doaj   +1 more source

Counting tropical elliptic plane curves with fixed j-invariant

open access: yes, 2009
In complex algebraic geometry, the problem of enumerating plane elliptic curves of given degree with fixed complex structure has been solved by R.Pandharipande using Gromov-Witten theory.
Kerber, Michael, Markwig, Hannah
core   +1 more source

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