Quadpole tie ship

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Quadpole tie ship
x = 10, y = 10, rule = B3/S23 2o$obo$b2o$3b2o$3bobo2$5bobo2$7bobo$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 500 THUMBSIZE 3 ZOOM 33 GPS 2 ]]
Pattern type Oscillator
Family Barberpole
Number of cells 16
Bounding box 10 × 10
Frequency class 25.5
Period 2
Mod 1
Heat 8
Volatility 0.40
Strict volatility 0.40
Rotor type Pole 4
Discovered by Unknown
Year of discovery Unknown

Quadpole tie ship is a period-2 oscillator.

As its name implies, it involves a ship having been tied to a quadpole.

Occurrence

See also: List of common oscillators

Quadpole tie ship is the about the thirteenth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than the mold but more common than tripole.[1] It is the thirteenth most common oscillator on Adam P. Goucher's Catagolue.

The most common way by far for a quadpole to form is from a century predecessor hitting a ship. When this reaction occurs with a ship-tie, it creates a quadpole tie ship.

x = 10, y = 11, rule = B3/S23 bo$o$o$b3o2$4b2o$4bobo$5b2o$7b2o$7bobo$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 GPS 2 LOOP 16 PAUSE 3 AUTOSTART ]]
Quadpole tie ship forming when a century predecessor collides with a ship-tie
(click above to open LifeViewer)
RLE: here Plaintext: here

Construction

A 6-glider synthesis for this oscillator was found in July 2020.[2] A 5-glider synthesis was found by Carson Cheng in March 2023.[3][4]

See also

References

  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  2. Ian07 (July 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
  3. shinjuku (#4039927930) (March 31, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  4. Carson Cheng (March 25, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums

External links