pieces must be exactly 1/3 of the entire cake. Note that for , the generated division is not exact, since a piece is worth only to its owner and not necessarily to the other partners. As of 2015, there is no known exact division procedure for partners; only near-exact division procedures are known. See also Austin's procedure is used by the Brams–Taylor–Zwicker procedure. Other procedures and results about equitable division and exact division. References External links Fair division protocols Cake-cutting