document.write("« Intersectional pairs of $n$-knots, local moves of $n$-knots, and their associated invariants of $n$-knots. (arXiv:1803.03496v1 [math.GT])");document.write(" | ");document.write("Jacobi-Galerkin spectral method for eigenvalue problems of Riesz fractional differential equations. (arXiv:1803.03556v1 [math.NA]) »");