The Yat kernel is a new PSD universal characteristic kernel on compact sets that strictly dominates scaled IMQ kernels and recovers any IMQ atom exactly via a second finite difference on the bias parameter.
d/N ). G Far-Field Separations We write kb,ε(w; x) = (w⊤x +b)2 kx wk2 +
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A Universal Reproducing Kernel Hilbert Space from Polynomial Alignment and IMQ Distance
The Yat kernel is a new PSD universal characteristic kernel on compact sets that strictly dominates scaled IMQ kernels and recovers any IMQ atom exactly via a second finite difference on the bias parameter.