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Learning kernels for support vector machines with polynomial powers of sigmoid
(Ieee, 2014-01-01)
In the pattern recognition research field, Support Vector Machines (SVM) have been an effectiveness tool for classification purposes, being successively employed in many applications. The SVM input data is transformed into ...
Resonances and subharmonic bifurcations of large amplitude periodic orbits of planar polynomial vector fields
(World Scientific Publ Co Pte Ltd, 2005-01-01)
In this work are studied periodic perturbations, depending on two parameters, of planar polynomial vector fields having an annulus of large amplitude periodic orbits, which accumulate on a symmetric infinite heteroclinic ...
On the existence of infinite heteroclinic cycles in polynomial systems and its dynamic consequences
(Wiley-Blackwell, 2004-01-01)
In this work we consider the dynamic consequences of the existence of infinite heteroclinic cycle in planar polynomial vector fields, which is a trajectory connecting two saddle points at infinity. It is stated that, ...