نتایج جستجو برای: saddle shaped surface
تعداد نتایج: 704847 فیلتر نتایج به سال:
The ion dynamics in a collisionless magnetic reconnection layer are studied in a laboratory plasma. The measured in-plane plasma potential profile, which is established by electrons accelerated around the electron diffusion region, shows a saddle-shaped structure that is wider and deeper towards the outflow direction. This potential structure ballistically accelerates ions near the separatrices...
The conditional saddle-point heights (conditional barriers) that preside over the emission of complex fragments (Z = 2—11) from compound nuclei have been obtained from the excitation functions of individual fragments in the reaction He+""Ag. The magnitudes of the barriers and their dependence on mass asymmetry may be used to verify important features of the potential-energy surface including sh...
The artificial neural network with one hidden unit and the input nodes connected to the output node is considered. It is proven that the error surface of this network for the patterns of the XOR problem has minimum values with zero error and that all other stationary points of the error surface are saddle points. Also, the volume of the regions in weight space with saddle points is zero, hence ...
Intermittent strange nonchaotic attractors (SNAs) appear typically in quasiperiodically forced period-doubling systems. As a representative model, we consider the quasiperiodically forced logistic map and investigate the mechanism for the intermittent route to SNAs using rational approximations to the quasiperiodic forcing. It is found that a smooth torus transforms into an intermittent SNA via...
One new species Belisanadenticulata sp. n. (♂) is reported from northern Vietnam based on material collected by fogging the forest canopy. This species resembles Belisanascharffi Huber, 2005, but can be distinguished by relatively long distance between proximal parts of proximo-lateral apophysis and distal apophysis on male chelicerae, by presence of a nearly saddle-shaped prolateral sclerite o...
— We show that Y. Cheung’s general Z-continued fractions can be adapted to give approximation by saddle connection vectors for any compact translation surface. That is, we show the finiteness of his Minkowski constant for any compact translation surface. Furthermore, we show that for a Veech surface in standard form, each component of any saddle connection vector dominates its conjugates in an ...
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