We answer a question of C. Hardin and A. Taylor concerning a hat-guessing game.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm219-2-2, author = {Daniel J. Velleman}, title = {The even-odd hat problem}, journal = {Fundamenta Mathematicae}, volume = {219}, year = {2012}, pages = {105-110}, zbl = {1284.03226}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm219-2-2} }
Daniel J. Velleman. The even-odd hat problem. Fundamenta Mathematicae, Tome 219 (2012) pp. 105-110. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm219-2-2/