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Timeline for Stromquist's 3 knives procedure

Current License: CC BY-SA 3.0

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Sep 17, 2014 at 12:42 comment added usul @PerAlexandersson, ha, that would be outside the usual model of preferences, which are only allowed to be measures on the cake.
Sep 17, 2014 at 10:39 comment added Per Alexandersson The last paragraph is the trick: People can have very strange preferences. I, for example, prefers the piece that makes most people envious of me.
Sep 14, 2014 at 6:34 vote accept Erel Segal-Halevi
Sep 11, 2014 at 19:18 comment added usul In sum, it seems reasonable to assume knife movements must be continuous, or else it seems that we need to more precisely define the rules.
Sep 11, 2014 at 19:16 comment added usul The necessary formalization does not seem in place to deal with your scenario. If adversary 1 yells cut at precisely the same moment that adversary 2 makes a discontinuous knife movement, what should happen? What if Marge and adversary 1 both have a strategy of "yell immediately after a discontinuous knife movement satisfying ____", who yells first or is it a tie? If it is a tie, I think you're right and the allocation is not envy-free. But how do you formalize such a strategy ... it seems a bit odd to me....
Sep 11, 2014 at 19:12 history edited usul CC BY-SA 3.0
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Sep 11, 2014 at 19:11 comment added usul I think you're right, it's a problem if players can move their knives in a discontinuous way. I wasn't considering ties for who yells cut, which is fine with continuous knife movements because if you yell at the moment that you are indifferent, then you're ok -- but with discontinuous moves there might not be this moment.
Sep 11, 2014 at 6:54 comment added Erel Segal-Halevi What do you think about the scenario I just added to the question?
Sep 10, 2014 at 17:28 history edited usul CC BY-SA 3.0
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Sep 10, 2014 at 17:18 history answered usul CC BY-SA 3.0