Difference between revisions of "116P101"

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With minimum population {{cells|116|text=116 cells}}, it is smaller than the previously smallest known oscillator of this period, which has 160 cells and uses a [[NW-2T16]]-based 180-degree reflector.<ref name="post152506" />
With minimum population {{cells|116|text=116 cells}}, it is smaller than the previously smallest known oscillator of this period, which has 160 cells and uses a [[NW-2T16]]-based 180-degree reflector.<ref name="post152506" />


The active reaction consists in some phases of two copies of an [[evolution]]ary sequence #242 (zero-indexed) in [[census.rle]], which consists of a block plus a [[bullet heptomino]]. Another phase is a [[procrastinator]] plus a transparent [[loaf]] in another area. Overall, the oscillator consists of 6 [[fishhook]]s, two [[eater 2]]s and two [[block]]s hassling the active region.
Overall, the oscillator consists of 6 [[fishhook]]s, two [[eater 2]]s and two [[block]]s hassling the active region, which consists in some phases of two copies of an [[evolution]]ary sequence #242 (zero-indexed) in [[census.rle]], which consists of a block plus a [[bullet heptomino]]. Another phase is a [[procrastinator]] plus a transparent [[loaf]] in another area.


A [[glider synthesis]] for a variant of the oscillator was found on the day of its discovery.<ref>https://conwaylife.com/w/index.php?title=116P101&type=revision&diff=127027&oldid=127000</ref><ref>{{CiteCatagolueJob|job=3954924662|date=March 17, 2023}}</ref> On December 10 and December 13, {{year|2023}}, [[KtT]] lowered the synthesis cost to {{gliders|43|text=43}}<ref name="post172851"/><ref name="j5719096314"/> and then to {{gliders|42|text=42 gliders}}.<ref name="post173194"/><ref name="j5742663068"/> KtT further lowered the cost to {{gliders|41|text=41 gliders}} on February 18, {{year|2024}}.<ref name="post178339"/><ref name="j6196342812"/>
A [[glider synthesis]] for a variant of the oscillator was found on the day of its discovery.<ref>https://conwaylife.com/w/index.php?title=116P101&type=revision&diff=127027&oldid=127000</ref><ref>{{CiteCatagolueJob|job=3954924662|date=March 17, 2023}}</ref> On December 10 and December 13, {{year|2023}}, [[KtT]] lowered the synthesis cost to {{gliders|43|text=43}}<ref name="post172851"/><ref name="j5719096314"/> and then to {{gliders|42|text=42 gliders}}.<ref name="post173194"/><ref name="j5742663068"/> KtT further lowered the cost to {{gliders|41|text=41 gliders}} on February 18, {{year|2024}}.<ref name="post178339"/><ref name="j6196342812"/>

Revision as of 04:52, 19 February 2024

116P101
#C [[116P101]] #C https://conwaylife.com/forums/viewtopic.php?p=159153#p159153 x = 46, y = 39, rule = B3/S23 23b2o$23bo2b2o$24b2ob3o$15b2o13bo$4b2o10bo7b2ob3o$5bo10bobo5b2obo$5bob o9b2o$6b2o6$32b2o$10b2o20b2o$9bo2bo31b2o$9bo34bo$9bo3bo18b3o7bobo$9bo 4bo16bo3bo6b2o2$2b2o6bo3bo16bo4bo$bobo7b3o18bo3bo$bo34bo$2o31bo2bo$12b 2o20b2o$12b2o6$38b2o$27b2o9bobo$18bob2o5bobo10bo$16b3ob2o7bo10b2o$15bo 13b2o$16b3ob2o$18b2o2bo$21b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 8 THUMBSIZE 3 ZOOM 15 WIDTH 800 HEIGHT 700 ]]
Pattern type Oscillator
Number of cells 116
Bounding box 46 × 39
Period 101
Mod 101
Heat 53.6
Volatility 0.90
Strict volatility 0.90
Discovered by iNoMed
Mitchell Riley
Year of discovery 2023

116P101 is a period-101 oscillator completed on March 17, 2023 by iNoMed based on a partial by Mitchell Riley.[1] It is the first known period-101 oscillator that is not based on adjustable signal loops. With minimum population 116 cells, it is smaller than the previously smallest known oscillator of this period, which has 160 cells and uses a NW-2T16-based 180-degree reflector.[2]

Overall, the oscillator consists of 6 fishhooks, two eater 2s and two blocks hassling the active region, which consists in some phases of two copies of an evolutionary sequence #242 (zero-indexed) in census.rle, which consists of a block plus a bullet heptomino. Another phase is a procrastinator plus a transparent loaf in another area.

A glider synthesis for a variant of the oscillator was found on the day of its discovery.[3][4] On December 10 and December 13, 2023, KtT lowered the synthesis cost to 43[5][6] and then to 42 gliders.[7][8] KtT further lowered the cost to 41 gliders on February 18, 2024.[9][10]

References

  1. iNoMed (March 17, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. Entity Valkyrie 2 (October 22, 2022). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. https://conwaylife.com/w/index.php?title=116P101&type=revision&diff=127027&oldid=127000
  4. shinjuku (#3954924662) (March 17, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  5. KtT (December 10, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  6. shinjuku (#5719096314) (December 10, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  7. KtT (December 13, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  8. shinjuku (#5742663068) (December 13, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  9. KtT (February 18, 2024). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  10. shinjuku (#6196342812) (February 18, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.

External links