Questions tagged [definition]
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What exactly is a "unit-torus"?
I've seen references to the "unit torus" in papers such as this (Start of Sec 3.3, page 5). So, what exactly is a unit torus? Is it just a square or cube in d-dimensions with periodic ...
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difference in notation of integral operator
I'm reading paper 1 and on page 4 they define the integral operator $\mathcal{K}$ as
$$
(\mathcal{K}(a;\phi)v_t)(x) := \int_D \kappa(x,y,a(x),a(y);\phi)v_t(y)dy
$$
Now in an another paper from the ...