document.write("« On the heat kernel of a class of fourth order operators in two dimensions: sharp Gaussian estimates and short time asymptotics. (arXiv:1712.02963v2 [math.AP] UPDATED)");document.write(" | ");document.write("On the pointwise convergence of the cubic average with multiplicative or von Mangoldt weights. (arXiv:1807.01158v1 [math.DS]) »");