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Published in 2022 at "Journal of Dynamics and Differential Equations"
DOI: 10.1007/s10884-022-10132-7
Abstract: Homoclinic tangencies and singular hyperbolicity are involved in the Palis conjecture for vector fields. Typical three dimensional vector fields are well understood by recent works. We study the dynamics of higher dimensional vector fields that…
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Keywords:
robustly transitive;
homoclinic tangencies;
dimensional vector;
vector fields ... See more keywords
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Published in 2020 at "Science China Mathematics"
DOI: 10.1007/s11425-019-1764-x
Abstract: The properties of uniform hyperbolicity and dominated splitting have been introduced to study the stability of the dynamics of diffeomorphisms. One meets difficulties when one tries to extend these definitions to vector fields and Shantao…
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Keywords:
hyperbolicity;
multi singular;
singular hyperbolicity;
singular domination ... See more keywords
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Published in 2020 at "Journal of Differential Equations"
DOI: 10.1016/j.jde.2019.10.029
Abstract: Abstract Singular hyperbolicity is a fundamental notion in dynamical systems that describes in particular Lorenz-like dynamics. It is defined using the tangent flow and concerns both the regular and singular parts of the dynamics. In…
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Keywords:
singular hyperbolicity;
hyperbolicity via;
characterization singular;
hyperbolicity ... See more keywords
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Published in 2021 at "Journal of Differential Equations"
DOI: 10.1016/j.jde.2021.07.020
Abstract: Abstract The paper concerns the mean hyperbolicity of the skew-product flows induced by the perturbation equations driven by varieties of non-periodic forcings. The weakly averaged horseshoe can be constructed as a mean hyperbolic invariant set…
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Keywords:
hyperbolicity;
mean hyperbolicity;
smale horseshoe;
horseshoe mean ... See more keywords
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Published in 2020 at "European Physical Journal Plus"
DOI: 10.1140/epjp/s13360-020-00963-y
Abstract: Cosmic voids—the low density regions in the Universe—as characteristic features of the large-scale matter distribution, are known for their hyperbolic properties. The latter implies the deviation of photon beams due to their underdensity, thus mimicing…
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Keywords:
hyperbolicity;
voids induced;
cosmic voids;
induced hyperbolicity ... See more keywords
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Published in 2022 at "Symmetry"
DOI: 10.3390/sym14051024
Abstract: The theorem about equivalence of the strong hyperbolicity concept and the Friedrichs hyperbolicity concept for partial quasi-linear differential equations of the first order is proved. On the basis of this theorem, the necessary and sufficient…
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Keywords:
first order;
hyperbolicity first;
hyperbolicity;
quasi linear ... See more keywords