document.write("« A New [Combinatorial] Proof of the Commutativity of Matching Polynomials for Cycles. (arXiv:1810.05889v1 [math.CO])");document.write(" | ");document.write("A Polynomial-Time Method for Testing Admissibility of Uncertain Power Injections in Microgrids. (arXiv:1810.06256v1 [math.OC]) »");