Didn't read in detail and had a hard time understanding what their goal was but there are important things to understand regarding Fourier features (eigenfuncti

Didn't read in detail and had a hard time understanding what their goal was but there are important things to understand regarding Fourier features (eigenfunctions, sin, cos, etc) and the Gaussian Kernel Start with something like this https://arxiv.org/pdf/1611.06740.pdf https://arxiv.org/pdf/1611.06740.pdf and reading links might help.