Linear propagator
Linear propagator is arguably the first explicit example of a replicator in Conway's Game of Life found by Dave Greene on November 23, 2013, depending on an exact definition of a replicator.[1]
| Linear propagator | |||||||
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| View static image | |||||||
| Pattern type | Puffer | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 290096 | ||||||
| Bounding box | 14826990×14826908 | ||||||
| Direction | Orthogonal | ||||||
| Period | 237228617 | ||||||
| Speed | 256c/237228617 | ||||||
| Discovered by | Dave Greene | ||||||
| Year of discovery | 2013 | ||||||
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As the pattern is too big to be displayed in detail using any reasonable scale (given one pixel were 1 mm, the whole pattern would be almost 15 km wide), the image on the right depicts only the underlying universal constructor.
The linear propagator tied with the CC semi-Snark for third place in the Pattern of the Year 2013 competition in a belated vote held in 2018 on the ConwayLife.com forums, behind the loafer and the Snark.[2]
References
- Dave Greene (November 23, 2013). "Re: Geminoid Challenge". Retrieved on October 18, 2015.
- 77topaz (March 29, 2018). Re: Belated Pattern of the Year 2013 competition: Voting (discussion thread) at the ConwayLife.com forums
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