%0 Journal Article %T Remarks on the Compatibility of Opposite Arrows of Time %A H. D. Zeh %J Entropy %D 2005 %I MDPI AG %R 10.3390/e7040199 %X I argue that opposite arrows of time, while being logically possible, cannot realistically be assumed to exist during one and the same epoch of our universe. %K time arrow %K final conditions %K solvable models %K causality %K retardation %K cosmology %K big crunch %K black holes %K quantum measurements %K Wheeler-DeWitt equation %U http://www.mdpi.com/1099-4300/7/4/199