p58 pre-pulsar shuttle
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| p58 pre-pulsar shuttle | |||||||||||||
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| Pattern type | Oscillator | ||||||||||||
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| Oscillator type | Shuttle | ||||||||||||
| Number of cells | 104 | ||||||||||||
| Bounding box | 25 × 27 | ||||||||||||
| Period | 58 | ||||||||||||
| Mod | 29 | ||||||||||||
| Heat | 24.7 | ||||||||||||
| Volatility | 0.72 | ||||||||||||
| Strict volatility | 0.63 | ||||||||||||
| Discovered by | Tanner Jacobi | ||||||||||||
| Year of discovery | 2015 | ||||||||||||
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p58 pre-pulsar shuttle is a period-58 shuttle oscillator discovered by Tanner Jacobi on April 25, 2015.[1] It was the smallest known oscillator of that period until the discovery of p58 pi-heptomino hassler in 2022. The previous record holder was the Snark-based period 58 glider loop.
Jeremy Tan and iNoMed found a glider synthesis for a stator variant[2] of this oscillator in July 2021.[3] Tan later found a 188-glider synthesis for the canonical version on September 11, 2021.[4] The syntheses were reduced by one glider (to 187 and 57 gliders respectively) in March 2023,[5] with further reductions in June 2023.[6][7]
See also
References
- ↑ Tanner Jacobi (April 25, 2015). Re: Thread For Your Accidental Discoveries (discussion thread) at the ConwayLife.com forums
- ↑ (108P58) at Adam P. Goucher's Catagolue
- ↑ Jeremy Tan (July 1, 2021). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ Jeremy Tan (September 11, 2021). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#4009156193) (March 27, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ shinjuku (#4469230012) (June 14, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ shinjuku (#4470335665) (June 14, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
Categories:
- Patterns
- Oscillators with between 100 and 109 cells
- Periodic objects with minimum population between 100 and 109
- Patterns with between 100 and 109 cells
- Patterns found by Tanner Jacobi
- Patterns found in 2015
- Patterns that can be constructed with between 100 and 199 gliders
- Patterns that can be constructed with between 50 and 59 gliders
- Oscillators
- Shuttles
- Oscillators with period 58
- Oscillators with mod 29
- Oscillators with heat 24
- Oscillators with volatility 0.72
- Oscillators with strict volatility 0.63
- Patterns with bilateral orthogonal symmetry
- Flipping oscillators
- Pre-pulsar shuttle oscillators