Unique father problem: Difference between revisions
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The '''unique father problem''' is the following question, posed by [[John Conway]] in 1972 in [[Lifeline Volume 6]],<ref name="lifelinevol6" /> along with the [[grandfather problem]]: | The '''unique father problem''' is the following question, posed by [[John Conway]] in 1972 in [[Lifeline Volume 6]] with an associated $50 cash prize,<ref name="lifelinevol6" /> along with the [[grandfather problem]]: | ||
:''Is there a stable configuration whose only father is itself (with some fading junk some distance away not being counted)? | :''Is there a stable configuration whose only father is itself (with some fading junk some distance away not being counted)? | ||
The problem remains open as of February 2018. | |||
==Also see== | ==Also see== | ||
Revision as of 17:43, 15 February 2018
| Unique father problem | ||
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| View static image | ||
| Pattern type | Problem | |
|---|---|---|
| Static symmetry | Unspecified | |
| Discovered by | Unknown | |
| Year of discovery | Unknown | |
The unique father problem is the following question, posed by John Conway in 1972 in Lifeline Volume 6 with an associated $50 cash prize,[1] along with the grandfather problem:
- Is there a stable configuration whose only father is itself (with some fading junk some distance away not being counted)?
The problem remains open as of February 2018.
Also see
References
- ↑ Robert Wainwright (October 1972). Lifeline, vol 6, p. 1.