Talk:Titanic toroidal traveler
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Replicator
The detached back part is a replicator, not just replicator-like. --Axaj 19:09, 23 December 2009 (UTC)
It's not regular enough to be a replicator in the classical sense. Replicators in HighLife etc. return to the same (fixed) population after exponentially increasing periods of time. The Titanic Toroidal Traveller does not have this property. If you're still not convinced, note that this pseudo-replicator does not produce *exact copies* of itself, without leaving unwanted debris.
Maybe you're getting confused with the true replicator on a 6-cell cylinder, the T-tetromino.
Just for clarification, this is what the back part of the TTT looks like:
x = 17, y = 739, rule = S23/B3 b3o3b3o3b3o$$bobo3bobo3bobo$bbo5bo5bo10$bbo5bo5bo$bobo3bobo3bobo$$b3o 3b3o3b3o7$b3o3b3o3b3o5$b3o3b3o3b3o$bbo5bo5bo4$bbo5bo5bo$b3o3b3o3b3o8$b 3o3b3o3b3o$$o3bobo3bobo3bo$o3bobo3bobo3bo$o3bobo3bobo3bo$obobobobobobo bobo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$ooboobooboobooboo15$b3o3b 3o3b3o$$o3bobo3bobo3bo$o3bobo3bobo3bo$o3bobo3bobo3bo$$b3o3b3o3b3o3$oob oobooboobooboo$ooboobooboobooboo8$b3o3b3o3b3o14$b3o3b3o3b3o$$o3bobo3bo bo3bo4$b3o3b3o3b3o$b3o3b3o3b3o$$b3o3b3o3b3o$b3o3b3o3b3o4$o3bobo3bobo3b o$$b3o3b3o3b3o6$ooboobooboobooboo$ooboobooboobooboo26$b3o3b3o3b3o$obob obobobobobobo$o3bobo3bobo3bo$b3o3b3o3b3o4$ooboobooboobooboo$oobooboob oobooboo12$ooboobooboobooboo$ooboobooboobooboo4$ooboobooboobooboo$oob oobooboobooboo6$bbo5bo5bo$bobo3bobo3bobo$o3bobo3bobo3bo$bobo3bobo3bobo $bbo5bo5bo$$bbo5bo5bo$bobo3bobo3bobo$o3bobo3bobo3bo$bobo3bobo3bobo$bbo 5bo5bo6$ooboobooboobooboo$ooboobooboobooboo6$bbo5bo5bo$b3o3b3o3b3o$obo bobobobobobobo$ooboobooboobooboo$obobobobobobobobo$b3o3b3o3b3o$$b3o3b 3o3b3o$obobobobobobobobo$ooboobooboobooboo$obobobobobobobobo$b3o3b3o3b 3o$bbo5bo5bo$$bbo5bo5bo$b3o3b3o3b3o$obobobobobobobobo$oobooboobooboob oo$obobobobobobobobo$b3o3b3o3b3o$bbo5bo5bo4$b3o3b3o3b3o$o3bobo3bobo3bo $o3bobo3bobo3bo$o3bobo3bobo3bo$b3o3b3o3b3o$$bbo5bo5bo$b3o3b3o3b3o$oob oobooboobooboo$b3o3b3o3b3o$bbo5bo5bo17$ooboobooboobooboo$$ooboobooboob ooboo$$bbo5bo5bo19$bbo5bo5bo$bobo3bobo3bobo$bobo3bobo3bobo$bbo5bo5bo4$ ooboobooboobooboo$ooboobooboobooboo7$ooboobooboobooboo$oobooboobooboob oo6$bbo5bo5bo$bobo3bobo3bobo$bobo3bobo3bobo$bbo5bo5bo3$bbo5bo5bo$bbo5b o5bo$b3o3b3o3b3o20$bbo5bo5bo$b3o3b3o3b3o$ooboobooboobooboo$b3o3b3o3b3o $bbo5bo5bo4$b3o3b3o3b3o$b3o3b3o3b3o$bobo3bobo3bobo$$ooboobooboobooboo$ ooboobooboobooboo$o3bobo3bobo3bo$bobo3bobo3bobo$bbo5bo5bo4$bbo5bo5bo$ ooboobooboobooboo$o3bobo3bobo3bo$ooboobooboobooboo$bbo5bo5bo6$bbo5bo5b o$bbo5bo5bo$$bbo5bo5bo$bbo5bo5bo27$ooboobooboobooboo$ooboobooboobooboo 5$ooboobooboobooboo$bobo3bobo3bobo$bbo5bo5bo4$ooboobooboobooboo7$ooboo booboobooboo10$bbo5bo5bo$bobo3bobo3bobo$o3bobo3bobo3bo$bobo3bobo3bobo$ bbo5bo5bo9$bbo5bo5bo$bbo5bo5bo$bbo5bo5bo9$bbo5bo5bo$bobo3bobo3bobo$bob o3bobo3bobo$bbo5bo5bo13$ooboobooboobooboo$ooboobooboobooboo3$bbo5bo5bo $bobo3bobo3bobo$bobo3bobo3bobo$bbo5bo5bo5$b3o3b3o3b3o$bbo5bo5bo3$bbo5b o5bo$bobo3bobo3bobo$$bobo3bobo3bobo$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob 5o12$b3o3b3o3b3o$ooboobooboobooboo$$bobo3bobo3bobo$$b3o3b3o3b3o$bbo5bo 5bo8$ooboobooboobooboo$ooboobooboobooboo15$bbo5bo5bo$bbo5bo5bo$bbo5bo 5bo5$bbo5bo5bo$bbo5bo5bo$bbo5bo5bo$$bbo5bo5bo$bbo5bo5bo$bbo5bo5bo$$bbo 5bo5bo$bobo3bobo3bobo$bobo3bobo3bobo$bbo5bo5bo9$ooboobooboobooboo$oob oobooboobooboo$$bbo5bo5bo$bobo3bobo3bobo$o3bobo3bobo3bo$o3bobo3bobo3bo $ooboobooboobooboo22$b3o3b3o3b3o$o3bobo3bobo3bo$$o3bobo3bobo3bo$b3o3b 3o3b3o4$b3o3b3o3b3o$b3o3b3o3b3o$o3bobo3bobo3bo$o3bobo3bobo3bo$o3bobo3b obo3bo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$o3bobo3bobo3bo$o3bobo3b obo3bo$b3o3b3o3b3o$b3o3b3o3b3o5$bbo5bo5bo$bobo3bobo3bobo$bobo3bobo3bob o$bbo5bo5bo13$b3o3b3o3b3o$bbo5bo5bo15$bbo5bo5bo$bobo3bobo3bobo$bobo3bo bo3bobo$bbo5bo5bo4$bbo5bo5bo$bobo3bobo3bobo$o3bobo3bobo3bo$bobo3bobo3b obo$bbo5bo5bo7$bbo5bo5bo$b3o3b3o3b3o$ooboobooboobooboo$oobooboobooboob oo3$ooboobooboobooboo$5ob5ob5o$b3o3b3o3b3o4$bbo5bo5bo$bbo5bo5bo$bobo3b obo3bobo$bbo5bo5bo$bbo5bo5bo18$bbo5bo5bo$bbo5bo5bo$bobo3bobo3bobo$bbo 5bo5bo$bbo5bo5bo$$bbo5bo5bo$bbo5bo5bo$bobo3bobo3bobo$bbo5bo5bo$bbo5bo 5bo8$bbo5bo5bo$b3o3b3o3b3o$b3o3b3o3b3o$bbo5bo5bo$$ooboobooboobooboo$b 3o3b3o3b3o$bbo5bo5bo$$bbo5bo5bo$b3o3b3o3b3o$ooboobooboobooboo$$bbo5bo 5bo$b3o3b3o3b3o$b3o3b3o3b3o$bbo5bo5bo8$bbo5bo5bo$bbo5bo5bo$bobo3bobo3b obo$bbo5bo5bo$bbo5bo5bo$$bbo5bo5bo$bbo5bo5bo$bobo3bobo3bobo$bbo5bo5bo$ bbo5bo5bo!
By comparison, this is what the true replicator looks like:
x = 17, y = 263, rule = S23/B3 b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o$$b3o3b 3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o6$bbo5bo5bo$b obo3bobo3bobo$$bbo5bo5bo14$bbo5bo5bo$$bobo3bobo3bobo$bbo5bo5bo6$b3o3b 3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o$$b3o3b3o3b3o $o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o18$b3o3b3o3b3o$o3bo bo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bob o3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o6$bbo5bo5bo$bobo3bobo3bobo$$bb o5bo5bo14$bbo5bo5bo$$bobo3bobo3bobo$bbo5bo5bo6$b3o3b3o3b3o$o3bobo3bobo 3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$5o b5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o18$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob 5o$o3bobo3bobo3bo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3b obo3bobo3bo$b3o3b3o3b3o6$bbo5bo5bo$bobo3bobo3bobo$$bbo5bo5bo14$bbo5bo 5bo$$bobo3bobo3bobo$bbo5bo5bo6$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3b obo3bobo3bo$b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bo bo3bo$b3o3b3o3b3o18$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo $b3o3b3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b 3o3b3o6$bbo5bo5bo$bobo3bobo3bobo$$bbo5bo5bo14$bbo5bo5bo$$bobo3bobo3bob o$bbo5bo5bo6$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b 3o3b3o$$b3o3b3o3b3o$o3bobo3bobo3bo$5ob5ob5o$o3bobo3bobo3bo$b3o3b3o3b3o !
--Calcyman 13:01, 24 December 2009 (UTC)
- I don't think it needs to be regular to be a replicator. For instance, the replicator in B36/S245 grows ver irregularly, but is still classified as a replicator. --Axaj 23:16, 4 January 2010 (UTC)
- The replicator in B36/S245 doesn't grow irregularly at all: it returns to the minimal population after an exponentially increasing number of generations (400, 1600, 6400, 25600...), and so does the replicator in HighLife. Moreover, it copies itself exactly, unlike the detached back part of the TTT. --Calcyman 18:59, 5 January 2010 (UTC)