P43 Snark loop: Difference between revisions
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==External links== | ==External links== | ||
{{LinkCatagolue|xp43_ylo8bp6o8g0s4gozyfggy31230343zyg346y133zym217wggx2c6ycgzyr1226yd6511zwg4cy7a64yo8acxooxg89fgkczw1plll2y7c871yfgs26y78llljgz651ui21x33x6a2yo4cay7641zy5ggkcydc88gzy51ycc68x11wsg8zyvooy1c4ozyqo4o0o8gy311zyn31470123cjq23|format=extended|patternname=p43 | {{LinkCatagolue|xp43_ylo8bp6o8g0s4gozyfggy31230343zyg346y133zym217wggx2c6ycgzyr1226yd6511zwg4cy7a64yo8acxooxg89fgkczw1plll2y7c871yfgs26y78llljgz651ui21x33x6a2yo4cay7641zy5ggkcydc88gzy51ycc68x11wsg8zyvooy1c4ozyqo4o0o8gy311zyn31470123cjq23|format=extended|patternname=p43 Snark loop}} | ||
{{Symmetry|90degree}} | {{Symmetry|90degree}} | ||
{{DISPLAYTITLE:p43 Snark loop}} | {{DISPLAYTITLE:p43 Snark loop}} | ||
Revision as of 00:34, 26 September 2019
| p43 snark loop | |||||||||
| View static image | |||||||||
| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 228 | ||||||||
| Bounding box | 65 × 65 | ||||||||
| Period | 43 (mod: 43) | ||||||||
| Heat | 66.05 | ||||||||
| Volatility | 0.81 | 0.81 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Mike Playle | ||||||||
| Year of discovery | 2013 | ||||||||
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The p43 snark loop is a period 43 oscillator made from Snark reflectors. It is the smallest of an infinite family of Snark-based adjustable glider loops that can have any period from 43 up.
There are much smaller glider loops containing four gliders, with a total signal path length of 216+8n and therefore adjustable to any period of the form 54+2n. However, this is the smallest loop that can contain eight gliders, which is a requirement for universal adjustability.
A 226-glider synthesis of this oscillator was discovered by Jeremy Tan on June 9, 2019.[1]
References
- ↑ Jeremy Tan (June 9, 2019). p43 snark loop synthesis (discussion thread) at the ConwayLife.com forums
External links
- p43 Snark loop at Adam P. Goucher's Catagolue (extended)
Categories:
- Patterns
- Oscillators with between 200 and 299 cells
- Periodic objects with minimum population between 200 and 299
- Patterns with between 200 and 299 cells
- Patterns found by Mike Playle
- Patterns found in 2013
- Patterns that can be constructed with between 200 and 299 gliders
- Oscillators
- Oscillators with period 43
- Prime-period oscillators
- Oscillators with mod 43
- Oscillators with heat 66
- Oscillators with volatility 0.81
- Oscillators with strict volatility 0.81
- Patterns with 90-degree rotation symmetry