document.write("« The polar decomposition for adjointable operators on Hilbert $C^*$-modules and centered operators. (arXiv:1807.01598v1 [math.OA])");document.write(" | ");document.write("Treating Content Delivery in Multi-Antenna Coded Caching as General Message Sets Transmission: A DoF Region Perspective. (arXiv:1807.01432v1 [cs.IT]) »");