Difference between revisions of "Karel's p28"
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'''Karel's p28''' is a {{period|28}} [[oscillator]] discovered by [[Karel Suhajda]] on June 12, {{year|2007}}.<ref>{{CiteSummersPattern|name=all-osc}}</ref> Other than sharing [[block]]s, two of these oscillators can interact at two [[ship]]s. | '''Karel's p28''' is a {{period|28}} [[oscillator]] discovered by [[Karel Suhajda]] on June 12, {{year|2007}}.<ref>{{CiteSummersPattern|name=all-osc}}</ref> Other than sharing [[block]]s, two of these oscillators can interact at two [[ship]]s. | ||
The first known [[semi-natural]] appearance of this oscillator was in December {{year|2014}}, in a [[symmetric]] [[soup]] found by [[Dongook Lee]] using [[apgsearch]].<ref name="post15132" /> | |||
A {{gliders|46}} [[synthesis]] of this oscillator was found by [[Jeremy Tan]] on January 5, {{year|2020}}.<ref name="post86964" /> | |||
==Image gallery== | ==Image gallery== | ||
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==References== | ==References== | ||
<references/> | <references> | ||
<ref name="post15132">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Soup search results | |||
|p = 15132 | |||
|author = Dongook Lee | |||
|date = December 19, 2014 | |||
}}</ref> | |||
<ref name="post86964">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Synthesising Oscillators | |||
|p = 86964 | |||
|author = Jeremy Tan | |||
|date = January 5, 2020 | |||
}}</ref> | |||
</references> | |||
== External links == | == External links == | ||
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{{Symmetry|full}} | {{Symmetry|full}} | ||
{{Sparker|p=28|type=dot|strength=strong}} | |||
{{seminatural}} | {{seminatural}} | ||
__NOTOC__ | __NOTOC__ | ||
Revision as of 19:00, 7 March 2020
| Karel's p28 | |||||||||||
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| Pattern type | Oscillator | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 88 | ||||||||||
| Bounding box | 36 × 36 | ||||||||||
| Period | 28 | ||||||||||
| Mod | 28 | ||||||||||
| Heat | 106.3 | ||||||||||
| Volatility | 0.97 | ||||||||||
| Strict volatility | 0.97 | ||||||||||
| Discovered by | Karel Suhajda | ||||||||||
| Year of discovery | 2007 | ||||||||||
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Karel's p28 is a period-28 oscillator discovered by Karel Suhajda on June 12, 2007.[1] Other than sharing blocks, two of these oscillators can interact at two ships.
The first known semi-natural appearance of this oscillator was in December 2014, in a symmetric soup found by Dongook Lee using apgsearch.[2]
A 46-glider synthesis of this oscillator was found by Jeremy Tan on January 5, 2020.[3]
Image gallery
 |
See also
References
- ↑ Jason Summers' all-osc pattern collection.
- ↑ Dongook Lee (December 19, 2014). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ Jeremy Tan (January 5, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
External links
- 88P28.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 88 cells
- Periodic objects with minimum population 88
- Patterns with 88 cells
- Patterns found by Karel Suhajda
- Patterns found in 2007
- Patterns that can be constructed with 46 gliders
- Oscillators
- Oscillators with period 28
- Oscillators with mod 28
- Oscillators with heat between 100 and 109
- Oscillators with volatility 0.97
- Oscillators with strict volatility 0.97
- Patterns with complete square symmetry
- Sparkers
- Sparkers with period 28
- Dot sparkers
- Strong sparkers
- Semi-natural periodic objects