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Catagolue Oddities

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Re: Catagolue Oddities

Postby Majestas32 » June 8th, 2018, 9:23 am

How about just allowing double backups to show on the symmetry list but not on most popular?
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Re: Catagolue Oddities

Postby calcyman » June 8th, 2018, 10:56 am

There is no valid reason to allow double backups.
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Re: Catagolue Oddities

Postby 77topaz » June 8th, 2018, 5:10 pm

Yeah, I don't see any practical reason why you'd want to make a backup of what is already a backup, either.
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Re: Catagolue Oddities

Postby Majestas32 » June 8th, 2018, 6:04 pm

Other than having a backup that is more easily accessible (from the syetry list) esp. On mobile?
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Re: Catagolue Oddities

Postby 77topaz » June 10th, 2018, 8:02 pm

With the rule B2i3ai4cei5c6c7/S2-ae3acein4-t5-aq6cei7c8, a lot of (C1!) sample soups don't appear to contain the objects they're supposed to contain. In particular, a majority of the soups tagged as "yl" (linear growth) don't actually produce any infinite growth when run. Because it's in the C1 symmetry, misalignment of symmetrical parts can't be to blame, so what's causing this?
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Re: Catagolue Oddities

Postby 2718281828 » June 29th, 2018, 9:23 pm

https://catagolue.appspot.com/object/xp ... t5-aky67c8
An oscillator which is actually a linear growth.
x = 49, y = 4, rule = B2kn3aijnr4acik8/S2n3-cek4aint5-aky67c8
45b3o$2o42b5o$2o42b5o$45b3o!
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Re: Catagolue Oddities

Postby 77topaz » June 30th, 2018, 7:46 pm

It's not the linear growth pattern itself, but a predecessor of it, which may be what is confusing apgsearch. There have been similar reported high-period oscillators that actually aren't such in other rules as well.
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Re: Catagolue Oddities

Postby mniemiec » July 12th, 2018, 2:10 am

The object https://catagolue.appspot.com/object/xp4_199aaooaa991/b3s23 displays the correct object and links to soups, but instead of the correct name, it shows "?p4". Perhaps somebody gave this pattern the explicit name "?p4"?
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Re: Catagolue Oddities

Postby Apple Bottom » July 12th, 2018, 4:25 am

mniemiec wrote:The object https://catagolue.appspot.com/object/xp4_199aaooaa991/b3s23 displays the correct object and links to soups, but instead of the correct name, it shows "?p4". Perhaps somebody gave this pattern the explicit name "?p4"?


Yes, a few objects have names like that:

xp3_69ba99b606b99ab96z69d599d606d995d96 [4-fold]?p3
xp4_199aaooaa991 ?p4
xp5_39u0u93z0fm0mfzc97079c bookends_pair ?p5
xp5_4aarahrrharaa4 hats ?p5


AFAIK quite a few of the Catagolue names are taken from earlier censuses, e.g. Andrzej Okrasinski's and Achim Flammenkamp's. I'm not sure where specifically these came from though.
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