incremental, facet-degenerate
11, 4
dwarfcube, interval
d
d2+2d+1
3d2-d+1
V(dwarfcube(d)) . ( ksum(H([-1/3,d-1]),d) )
<p> Note that just taking the V matrix as an H matrix is a negating polar, hence the negation of the cube as well (with respect to the reference).