Difference between revisions of "P280 U-turner hassler"
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The '''p280 U-turner hassler''' is an oscillator that was discovered by Christopher D'Agostino on August 14, {{year|2023}}.<ref name="post165098" /> It was originally found in a 160-cell form which used [[34P7]]s, and was reduced to 86 cells by [[iNoMed]] the day after by replacing the p7s with [[figure eight]]s.<ref name="post165131" /> | The '''p280 U-turner hassler''' is an oscillator that was discovered by Christopher D'Agostino on August 14, {{year|2023}}.<ref name="post165098" /> It was originally found in a 160-cell form which used [[34P7]]s, and was reduced to 86 cells by [[iNoMed]] the day after by replacing the p7s with [[figure eight]]s.<ref name="post165131" /> | ||
It is the first known engine-based period-280 oscillator. | It is the first known engine-based period-280 oscillator that is not a [[LCM]]. | ||
A {{period|140}} oscillator can be made by adding another [[U-turner]], shown here: | A {{period|140}} oscillator can be made by adding another [[U-turner]], shown here: | ||
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|viewerconfig = #C [[ HEIGHT 600 WIDTH 600 THUMBSIZE 2 ZOOM 10 THEME Book GPS 14 STARTFROM 140 AUTOSTART ]] | |viewerconfig = #C [[ HEIGHT 600 WIDTH 600 THUMBSIZE 2 ZOOM 10 THEME Book GPS 14 STARTFROM 140 AUTOSTART ]] | ||
|position = center | |position = center | ||
|caption = The period-140 form of the oscillator. Figure eights will not work as 140 is not a multiple of 8 | |caption = The period-140 form of the oscillator. Figure eights will not work as 140 is not a multiple of 8. | ||
|style = width:300px; | |style = width:300px; | ||
|apgcode = xp140_yug19ew66zyigy734d0b2sz066wgo4k4gwoy3121y566w798z61138a86201ppybo88zyo125y64a4zy6gzy5121y6lisybooy0gggzy9ggyko44c0a3oa06443zy8o0k7g033y54a4y7111y033zy8126gl1ezy733w344 | |apgcode = xp140_yug19ew66zyigy734d0b2sz066wgo4k4gwoy3121y566w798z61138a86201ppybo88zyo125y64a4zy6gzy5121y6lisybooy0gggzy9ggyko44c0a3oa06443zy8o0k7g033y54a4y7111y033zy8126gl1ezy733w344 | ||
Revision as of 14:47, 30 December 2023
| p280 U-turner hassler | |||||||||
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| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 86 | ||||||||
| Bounding box | 43 × 43 | ||||||||
| Period | 280 (mod: 70) | ||||||||
| Heat | 83.6 | ||||||||
| Volatility | 0.98 | 0.76 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Christopher D'Agostino iNoMed | ||||||||
| Year of discovery | 2023 | ||||||||
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The p280 U-turner hassler is an oscillator that was discovered by Christopher D'Agostino on August 14, 2023.[1] It was originally found in a 160-cell form which used 34P7s, and was reduced to 86 cells by iNoMed the day after by replacing the p7s with figure eights.[2]
It is the first known engine-based period-280 oscillator that is not a LCM.
A period-140 oscillator can be made by adding another U-turner, shown here:
| The period-140 form of the oscillator. Figure eights will not work as 140 is not a multiple of 8. (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here |
A 43-glider synthesis of the p280 with figure eights was found by confocaloid on August 16, 2023.[3][4] On the next day, Chris857 found a 33-glider synthesis of the same version.[5][6] A reduction to 29 gliders was submitted to Catagolue on August 18.[7]
See also
- U-turner hasslers - lists other known U-turner hasslers
- p224 lumps of muck hassler
References
- ↑ Christopher D'Agostino (August 14, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ iNoMed (August 15, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ confocaloid (August 16, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#4887443453) (August 16, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ Chris857 (August 17, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#4890241580) (August 17, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ shinjuku (#4897698683) (August 18, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
Categories:
- Patterns
- Oscillators with 86 cells
- Periodic objects with minimum population 86
- Patterns with 86 cells
- Patterns found by Christopher D'Agostino
- Patterns found by iNoMed
- Patterns found in 2023
- Patterns that can be constructed with 29 gliders
- Outer-totalistically endemic patterns
- Isotropically endemic patterns
- Oscillators
- Oscillators with period 280
- Oscillators with mod 70
- Oscillators with heat 83
- Oscillators with volatility 0.98
- Oscillators with strict volatility 0.76