Caterer: Difference between revisions
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== Glider synthesis == | == Glider synthesis == | ||
An {{gliders|11}} [[Glider synthesis|synthesis]] of the caterer was discovered by [[Tim Coe]];<ref>{{LinkNiemiec|lifecred.htm#coe|title=Life Credits|nobullet=nobullet}}</ref> [[Tanner Jacobi]] and [[Chris Cain]] later found a {{gliders|7}} synthesis.<ref name="post17333" /> Several additional [[edgy]] [[recipe]]s for caterers at different orientations were discovered from asymmetric soups and summarized by [[GUYTU6J]].<ref name="post131212" /> In September 2022, a {{gliders|5}} synthesis was found by iNoMed based on a partial synthesis found by the [[Open Science Grid]] in the moog_stdin symmetry.<ref name="p151006" /> | An {{gliders|11}} [[Glider synthesis|synthesis]] of the caterer was discovered by [[Tim Coe]];<ref>{{LinkNiemiec|lifecred.htm#coe|title=Life Credits|nobullet=nobullet}}</ref> [[Tanner Jacobi]] and [[Chris Cain]] later found a {{gliders|7}} synthesis.<ref name="post17333" /> Several additional [[edgy]] [[recipe]]s for caterers at different orientations were discovered from asymmetric soups and summarized by [[GUYTU6J]].<ref name="post131212" /> In September 2022, a {{gliders|5}} synthesis was found by iNoMed based on a partial synthesis found by the [[Open Science Grid]] in the moog_stdin symmetry.<ref name="p151006" /> | ||
== Domino spark == | |||
Placing a sparker in a certain way will change the next two generations in a way that it provides a [[Sparker#Strength of sparkers|weak]] [[domino spark]] that can accept a single cell in one of two locations next to it. This has been used in the [[p42 pre-pulsar shuttle]]. | |||
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|rle = x = 59, y = 17, rule = B3/S23 | |||
52bo$47b2o2bobo$32b2o13bo3bobo$32bo2bo12b3obob2o$50bobobobo$50bo6bo$ | |||
32bob2o15bob4o$7b3obo15b2o2bobo13b2o4bo$b2o7bobo8b2o4bo4bo8b2o4bo3bobo | |||
b2o$3bo7bo11bo7bo11bo9bobo2bo$o8bo4bo5bo7bo2bo8bo7bo4bobob2o$o3bo5b5o | |||
5bo3bo15bo3bo5b2o3bo$o3b4obo10bo3b4o12bo3b4o6b2o$2bo9bo9bo19bo$11b2o2$ | |||
3b3o20b3o14b3o! | |||
|position = center | |||
|viewerconfig = #C [[ GPS 3 THUMBSIZE 2 WIDTH 500 ]] | |||
|caption = Examples at periods 3, 6, and 9. All three are shown eating a [[blinker]], with the period-3 and period-9 versions using the left contact point and the period-6 version using the right contact point. | |||
}} | |||
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== See also == | == See also == | ||
Revision as of 15:03, 29 October 2024
| Caterer | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 9 × 6 | ||||||||
| Frequency class | 32.0 | ||||||||
| Period | 3 (mod: 3) | ||||||||
| Heat | 14.7 | ||||||||
| Volatility | 0.88 | 0.88 | ||||||||
| Kinetic symmetry | n | ||||||||
| Discovered by | Dean Hickerson | ||||||||
| Year of discovery | 1989 | ||||||||
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- For the Discord bot, see Conwaylife Lounge#Server bot.
Caterer is a period-3 oscillator found by Dean Hickerson on August 4, 1989.[1] Its rotor is similar to that of jam. In terms of its minimum population of 12 cells this is the smallest period 3 oscillator, and tied with fox and the two isomers of beacon on table, namely Cis-beacon on table and Trans-beacon on table, as the smallest wholly asymmetric oscillator.
More generally, any oscillator which serves up a bit in the same manner, such as T-nosed p4 and T-nosed p6, may be referred to as a caterer.
Commonness
- Main article: List of common oscillators
Caterer is about the forty-second most common naturally-occurring oscillator in Achim Flammenkamp's census, being about as frequent as beehive on griddle.[2] On Catagolue, it is the fourth most common period 3 oscillator, being 1.93 times less common than trans-block on candlefrobra but 1.49 times more common than cis-block on candlefrobra.[3]
Glider synthesis
An 11-glider synthesis of the caterer was discovered by Tim Coe;[4] Tanner Jacobi and Chris Cain later found a 7-glider synthesis.[5] Several additional edgy recipes for caterers at different orientations were discovered from asymmetric soups and summarized by GUYTU6J.[6] In September 2022, a 5-glider synthesis was found by iNoMed based on a partial synthesis found by the Open Science Grid in the moog_stdin symmetry.[7]
Domino spark
Placing a sparker in a certain way will change the next two generations in a way that it provides a weak domino spark that can accept a single cell in one of two locations next to it. This has been used in the p42 pre-pulsar shuttle.
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See also
References
- ↑ Dean Hickerson's oscillator stamp collection.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Census". Catagolue. Retrieved on May 4, 2023.
- ↑ Life Credits at Mark D. Niemiec's Life Page
- ↑ Chris Cain (March 1, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ GUYTU6J (June 1, 2021). Synthesising Caterer-based Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ iNoMed (September 14, 2022). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
External links
- Caterer at the Life Lexicon
- Caterer at Adam P. Goucher's Catagolue
- 12P3.1 at Heinrich Koenig's Game of Life Object Catalogs
- Patterns
- Patterns with Catagolue frequency class 32
- Natural periodic objects
- Oscillators with 12 cells
- Periodic objects with minimum population 12
- Patterns with 12 cells
- Patterns found by Dean Hickerson
- Patterns found in 1989
- Patterns that can be constructed with 5 gliders
- Oscillators
- Oscillators with period 3
- Oscillators with mod 3
- Oscillators with heat 14
- Oscillators with volatility 0.88
- Oscillators with strict volatility 0.88
- Oscillators with n symmetry
- Sparkers
- Sparkers with period 3
- Dot sparkers
- Weak sparkers
- Moderate sparkers