Vector fields
On Critical Orbits and Sectional Hyperbolicity of the Nonwandering Set for Flows
... a vector field in a manifold (possibly with boundary) such that the tangent bundle on it has a dominated splitting, where the area along any two-planes inside one of subbundles is uniformly expanded, any ...
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Hydrodynamic Covariant Symplectic Structure from Bilinear Hamiltonian Functions
... ∂p . (81) In other words, starting from the (Hamiltonian) invariant (57), we have recovered a covariant canonical symplectic structure. The variation (67) may be seen as the generating function G of canonical ...
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Estudo de conjuntos minimais para sistemas descontínuos em dimensões 2 e 3
... One should note that while chaos in smooth systems are massively studied in dimension three or higher, the Jordan’s curve Theorem assures that there is no chaotic behavior in planar smooth systems. However, in this ...
135
Computability and dynamical systems: a perspective
... stable systems form an open and dense subset of the set of dynamical sys- tems with C 1 vector fields; (ii) Attractors for structurally stable systems.. consist only of fixed points and [r] ...
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Comput. Appl. Math. vol.30 número2
... stant C with the ones obtained for different families of vector fields, we will see that it must depend on the family and/or the multiplicity. This dependence becomes clear in the analytic example of ...
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Vector field embryogeny.
... static vector fields. When we think of a time dependent vector field during development, many parallels with biological systems can emerge; cellular communica- tion for instance could be interpreted ...
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On the Fibonacci and Lucas Curves
... Abstract: In this study, we have constituted the Frenet vector fields of Fibonacci and Lucas curves which are created with the help of Fibonacci and Lucas sequences hold a very important[r] ...
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Study of Singularities in Nonsmooth Dynamical Systems via Singular Perturbation
... discontinuous vector fields that present transient behavior in the 2-dimensional case, and we dedicate a section to providing sufficient conditions in order for our systems to have local asymptotic ...
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Reversible-equivariant systems and matricial equations
... In particular, using tools from group theory and symbolic computing, we exhibit the involutions used in a local study of reversible-equivariant vector fields. Based on such approach we present, for each ...
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On Riemannian manifolds foliated by umbilical hypersurfaces
... conformal vector fields and use them to give a characterization of Riemannian manifolds which admit this kind of fields as some special warped products foliated by (n − 1)-umbilical ...conformal ...
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Emergence and prevalence of human vector-borne diseases in sink vector populations.
... Diseases with only human hosts. MAL and DEN are two diseases transmitted by mosquitoes, while the vectors of HAT are tsetse flies. Mosquitoes and tsetse flies have similar average frequency of feeding (around 3 days), ...
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Braneworlds, Conformal Fields and Dark Energy
... matter fields propagate in the ...conformal fields of weight -4 we determine a new set of exact 5-dimensional solutions which localize gravity in the vicinity of the brane and are stable under radion field ...
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Integrating Transgenic Vector Manipulation with Clinical Interventions to Manage Vector-Borne Diseases.
... to vector-borne diseases with limited acquired host immunity following infection (such as malaria and trypanosomiasis) as an important direction for future ...drive vector popula- tion dynamics ...
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Idealized computational models for auditory receptive fields.
... receptive fields leads to the best fit with biological data, the Gaussian model or either of the time-causal models based on either equal time constants in the first-order integrators or a self-similar ...
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SM-ROM-GL (Strong Motion Romania Ground Level) Database
... The fields in the database include: coding of seismic events, stations and records, a number of associated fields (seismic event source parameters, geographical coordinates of seismic stations), links to ...
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Fermat’s Last Theorem over Number Fields
... approaches is known to yield a proof of FLT for infinitely many prime ex- ponents p. It is therefore natural to attempt to carry Wiles’ proof over to general number fields. The first work in this direction is due ...
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Standard sequence subgroups in finite fields
... The first configuration is when f ( t ) has just one (repeated) root and is stud- ied in Section 2; the second configuration is when the order of the group in question is of a very speci[r] ...
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A statistical learning in chip-based test and diagnostics methodology
... To improve the accuracy of the faulty sub-circuits identification, several machine learning algorithms were analyzed, including Support Vector Machines, Bayesian Classifiers, Decision Trees, K-Nearest Neighbors ...
61
Dissipative hydrodynamics coupled to chiral fields
... not constitute a serious limitation to our aim of obtaining a qualitative understanding of the impact of the evolution of the chiral fields on hadronic observables, because we expect the trends obtained in this ...
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Soil Compaction in Sugarcane Fields Induced by Mechanization
... the fields treated using mechanized farming seemed to showed higher values of both bulk density and cone penetration resistance when compared with the fields under manual labor ...farming fields were ...
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