Cross 2: Difference between revisions
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|h = 58.7 | |h = 58.7 | ||
|v = 0.85 | |v = 0.85 | ||
|symmetry = *c | |||
|discoverer = Hartmut Holzwart | |discoverer = Hartmut Holzwart | ||
|discoveryear = 1993 | |discoveryear = 1993 | ||
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'''Cross 2''' is a {{period|3}} [[oscillator]] that was found on February 16, {{year|1993}} by [[Hartmut Holzwart]].<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> It is the second smallest in an infinite family of period 3 oscillators, the first of which is [[cross]]. [[GUYTU6J]] found a {{gliders|32}} [[synthesis]] of this oscillator on February 10, {{year|2020}}.<ref name="post89254" /> | '''Cross 2''' is a {{period|3}} [[oscillator]] that was found on February 16, {{year|1993}} by [[Hartmut Holzwart]].<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> It is the second smallest in an infinite family of period 3 oscillators, the first of which is [[cross]]. [[GUYTU6J]] found a {{gliders|32}} [[synthesis]] of this oscillator on February 10, {{year|2020}}.<ref name="post89254" /> | ||
== | == Gallery == | ||
{| | {| | ||
|[[File:Cross2 gen1.png|thumb|left|Generation 1 of cross 2, which led to its name]] | |||
|[[ | |||
|} | |} | ||
==References== | == References == | ||
<references> | <references> | ||
<ref name="post89254">{{LinkForumThread | <ref name="post89254">{{LinkForumThread | ||
| Line 43: | Line 43: | ||
</references> | </references> | ||
==External links== | == External links == | ||
{{LinkLexicon|lex_c.htm#cross}} | {{LinkLexicon|lex_c.htm#cross}} | ||
{{LinkCatagolue|xp3_s47117471174szt57y375tz1174471744711}} | {{LinkCatagolue|xp3_s47117471174szt57y375tz1174471744711}} | ||
{{Sparker|p=3|strength=weak}} | {{Sparker|p=3|strength=weak}} | ||
{{seminatural}} | {{seminatural}} | ||
[[Category:Polyominoes]] | [[Category:Polyominoes]] | ||
[[Category:Extendable oscillators]] | [[Category:Extendable oscillators]] | ||
Revision as of 15:20, 7 August 2024
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| Pattern type | Oscillator | ||||||||||
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| Number of cells | 60 | ||||||||||
| Bounding box | 15 × 15 | ||||||||||
| Period | 3 (mod: 3) | ||||||||||
| Heat | 58.7 | ||||||||||
| Volatility | 0.85 | 0.85 | ||||||||||
| Kinetic symmetry | *c | ||||||||||
| Discovered by | Hartmut Holzwart | ||||||||||
| Year of discovery | 1993 | ||||||||||
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Cross 2 is a period-3 oscillator that was found on February 16, 1993 by Hartmut Holzwart.[1] It is the second smallest in an infinite family of period 3 oscillators, the first of which is cross. GUYTU6J found a 32-glider synthesis of this oscillator on February 10, 2020.[2]
Gallery
 |
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ GUYTU6J (February 10, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
External links
- Cross 2 at the Life Lexicon
Categories:
- Patterns
- Oscillators with 60 cells
- Periodic objects with minimum population 60
- Patterns with 60 cells
- Patterns found by Hartmut Holzwart
- Patterns found in 1993
- Patterns that can be constructed with 30 gliders
- Oscillators
- Oscillators with period 3
- Oscillators with mod 3
- Oscillators with heat 58
- Oscillators with volatility 0.85
- Oscillators with strict volatility 0.85
- Oscillators with *c symmetry
- Sparkers
- Sparkers with period 3
- Weak sparkers
- Semi-natural periodic objects
- Polyominoes
- Extendable oscillators