document.write("« Exact Boundary Observability and Controllability of the Wave Equation in an Interval with two Moving Endpoints. (arXiv:1803.08254v1 [math.AP])");document.write(" | ");document.write("Exploring Core Regular Double Stone Alegebras, CRDSA, I. (A note on CRDSA subalgebras and network node sets). (arXiv:1803.08313v1 [math.RA]) »");