Difference between revisions of "Two pulsar quadrants"
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{{Oscillator|name=Two pulsar quadrants| | {{Oscillator | ||
'''Two pulsar quadrants''' is a | |name = Two pulsar quadrants | ||
|pname = twopulsarquadrants | |||
|c = 18 | |||
|bx = 10 | |||
|by = 10 | |||
|fc = 40.8 | |||
|p = 3 | |||
|m = 3 | |||
|h = 16 | |||
|v = 0.75 | |||
|discoverer = David Buckingham | |||
|discoveryear = 1973 | |||
|rulemin = B3/S23 | |||
|rulemax = B3678/S0235678 | |||
|rulespecial = [[Conway's Game of Life|Conway Life]], [[HighLife]] | |||
|isorulemin = B3ainq/S2-k3cjqr | |||
|isorulemax = B2ci34-aejw5-c678/S01c234-jny5678 | |||
|plaintext = true | |||
|rle = true | |||
|animated = true | |||
|synthesis = 9 | |||
|synthesisRLE = true | |||
|viewerconfig = #C [[ THUMBSIZE 2 GPS 2 ]] | |||
|apgcode = xp3_co9na4oggzw12e | |||
|pentadecathlonid = 18P3.38 | |||
}} | |||
'''Two pulsar quadrants''' is a {{period|3}} [[oscillator]] that was found by [[David Buckingham]] in July {{year|1973}}.<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> | |||
A {{gliders|10}} [[synthesis]] of this oscillator was found by [[gmc_nxtman]] on July 12, {{year|2017}}.<ref name="post46430" /> This was improved to {{gliders|9|brief}} gliders by [[gooddogtyson]] on July 25, {{year|2020}}.<ref name="message736665927726399520" /> | |||
==See also== | ==See also== | ||
*[[Pulsar quadrant]] | *[[Pulsar quadrant]] | ||
==References== | |||
<references> | |||
<ref name="post46430">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Soup search results | |||
|p = 46430 | |||
|author = gmc_nxtman | |||
|date = July 12, 2017 | |||
}}</ref> | |||
<ref name="message736665927726399520">{{CiteDiscord | |||
|author = gooddogtyson | |||
|date = July 25, 2020 | |||
|channel = bots-and-mute-this | |||
|id = 736665927726399520 | |||
}}</ref> | |||
</references> | |||
==External links== | ==External links== | ||
{{LinkWeisstein|TwoPulsarQuadrants.html}} | {{LinkWeisstein|TwoPulsarQuadrants.html}} | ||
{{LinkLexicon|lex_t.htm#twopulsarquadrants}} | {{LinkLexicon|lex_t.htm#twopulsarquadrants}} | ||
{{LinkCatagolue|xp3_co9na4oggzw12e}} | |||
{{LinkPentadecathlonObject|18P3.38}} | |||
{{Symmetry|diagonal2}} | |||
{{Sparker|p=3|strength=weak}} | |||
Revision as of 06:14, 26 July 2020
| Two pulsar quadrants | |||||||||
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| View static image | |||||||||
| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 18 | ||||||||
| Bounding box | 10 × 10 | ||||||||
| Frequency class | 40.8 | ||||||||
| Period | 3 | ||||||||
| Mod | 3 | ||||||||
| Heat | 16 | ||||||||
| Volatility | 0.75 | ||||||||
| Strict volatility | 0.75 | ||||||||
| Discovered by | David Buckingham | ||||||||
| Year of discovery | 1973 | ||||||||
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Two pulsar quadrants is a period-3 oscillator that was found by David Buckingham in July 1973.[1]
A 10-glider synthesis of this oscillator was found by gmc_nxtman on July 12, 2017.[2] This was improved to 9 gliders by gooddogtyson on July 25, 2020.[3]
See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ gmc_nxtman (July 12, 2017). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ gooddogtyson (July 25, 2020). Message in #bots-and-mute-this on the Conwaylife Lounge Discord server
External links
- Two pulsar quadrants at the Life Lexicon
- 18P3.38 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 40
- Natural periodic objects
- Oscillators with 18 cells
- Periodic objects with minimum population 18
- Patterns with 18 cells
- Patterns found by David Buckingham
- Patterns found in 1973
- Patterns that can be constructed with 9 gliders
- Oscillators
- Oscillators with period 3
- Oscillators with mod 3
- Oscillators with heat 16
- Oscillators with volatility 0.75
- Oscillators with strict volatility 0.75
- Patterns with bilateral diagonal symmetry
- Sparkers
- Sparkers with period 3
- Weak sparkers