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thisfro ,

It looks very weird, but if you put it like abab vs abba, it makes more sense

Wilzax ,

bdbd is not a palindrome but bddb is

Klear ,

I hate it

lugal ,

This is much easier to parse for me than the one in the post. Interesting. I guess letters are easier to abstract

30p87 ,

Yes, baddragonbaddragon is, in fact, not a palindrome.

davidagain ,

Username checks out.

Sparky ,
@Sparky@lemmy.blahaj.zone avatar

:3

intensely_human ,

bddb is my favorite word to pronounce

kambusha ,

I think you just hacked my modem

kamenlady ,
@kamenlady@lemmy.world avatar

Maijin bddb

ninja ,

do you have to say it while flipping your finger up and down over your lips?

houndeyes ,

Is it pronounced like that Super Troopers Porsche song? https://media1.tenor.com/m/22Q5hBvFOxIAAAAC/super-troopers-feather.gif

davidagain ,

I hate this even more than the original one. At least the original one had a horizontal line of symmetry to calm me a bit.

underisk ,
@underisk@lemmy.ml avatar

“()()” is an ambigram, which wikipedia describes as “visual palindromes”, for whatever that’s worth.

Imgonnatrythis ,

I love that the word ambigram can be made to look as an ambigram whereas palindrome - wtf, could have done so much better with naming that guys.

bstix ,

hippopotomonstrosesquipedaliophobia (Fear of long words) was clearly not defined by anyone suffering from the phobia either.

Imgonnatrythis ,

Well that’s just mean.

TriflingToad ,

WIKIPEDIA CAN SHOW GIFS?!

CanadaPlus , (edited )

Oh boy, they have some good ones. You’ve been missing out.

Edit: Quicksort has a nice one. SVD for linear/matrix operations too.

I’m pretty sure I’ve seen even better ones that could almost stand as a YouTube video but I can’t remember where now

xmunk ,

This is an unacceptable glitch in the universe.

It’s time to reboot it with a patch.

parapsyker ,

This has ruined my day.

bruhduh ,
@bruhduh@lemmy.world avatar

What about ⊂⁠(⁠(⁠・⁠▽⁠・⁠)⁠)⁠⊃

palordrolap ,

⊃))⁠・⁠▽⁠・(⁠(⊂

oce ,
@oce@jlai.lu avatar

(╯°□°）╯︵ ┻━┻

radicalautonomy ,
@radicalautonomy@lemmy.world avatar

┻━┻ ︵╯）°□°╯(

limonade ,
@limonade@jlai.lu avatar

Why would you do this to me 😭

Gsus4 ,

Oh god, please no 😄

Kaelygon ,
@Kaelygon@lemmy.world avatar

this took me a while but after converting to ascii in hex I get it

“())(” = 40 41 41 40

“()()” = 40 41 40 41

As long your strings aren’t null terminated

pingveno ,

As long your strings aren’t null terminated

What kind of monstrous bug prone language would do that?

TriflingToad ,

for those too lazy to google,
palindrome /păl′ĭn-drōm″/ noun A word, verse, or sentence, that is the same when read backward or forward. “madam; Hannah; or Lewd did I live, & evil I did dwel.”

() () backwards is )( )(
() )( backwards is () )(

CanadaPlus , (edited )

Calm down, everyone. Brackets form a tree structure, and can be represented by a free magma, while strings with concatenation are equivalent to a free monoid. You’re essentially asking for the two respective common involutory operations to be connected by this map, just because they’re involutory, which put that way is a wild guess at best. In fact, reversing this string produces something outside the range of the map entirely, which is injective and so can’t be surjective for combinatorical reasons.

… Yeah I might be the only person that finds that useful.

schnurrito ,

yeah but that’s just like your opinion man

CanadaPlus ,

I mean,the part about the “wild” guess is, but this is a counterexample, and something like the reciprocal vs the negative of reals or rationals when moved across the log map would be an example. So, either you’re a galaxybrain that just instantly knows if the transformation is structure-preserving in that way, or you’re guessing to some degree as well.

The symbols and abstractions have touched me in no-no ways. I miss okaybuddyphd on r*ddit, they knew the pain.

I suppose I could also just say that characters which aren’t just drawn asymmetrical, but actually point in a direction as part of their function, look wrong when reversed like this. So, (e) -> )e( is no good, but bed -> deb is fine.

AFaithfulNihilist ,
@AFaithfulNihilist@lemmy.world avatar

https://lemmy.world/pictrs/image/4811b8a8-60ca-40cd-b80b-1a49b97aeaae.gif

I’m just going to assume those 4 dollar words are real and you aren’t just misspelling normal words to fuck with us.

Non surjective free magma? What about the doblastic amortized basalt?

CanadaPlus ,

I was saying unipotent at first instead of involutory, which was actually the wrong jargon because of the context, but I’ve fixed that now. Yes, they’re all real.

A glossary:

Involution

Surjective

Injective

Free magma

Free monoid

Map, although in this context I could probably have just said function. I go with map by default when thinking bidirectionally.

I think most people here will know combinatorics, the study of the different possible configurations of something. The number of n-length strings with two possible characters is 2^n^, as coders should all know, and the number of trees turns out to be Catalan’s numbers, many of which have prime factors other than 2. This is an injective map from n node trees to 2n character strings, so it’s possible, but you’ll (almost?) never get a perfect match, so by the pigeonhole principle it can’t be surjective.

I’m wondering now if Catalan numbers are O(n!). The equation has a lot of n! but it also has a certain smell like it might depend on big or little o.

AFaithfulNihilist ,
@AFaithfulNihilist@lemmy.world avatar

You are awesome.

Lemmy is better for you being here. Thanks for the reading material!

CanadaPlus ,

You’re very welcome! How kind.

RiikkaTheIcePrincess ,
@RiikkaTheIcePrincess@pawb.social avatar

That’s horrible and horrifying and I’m never gonna sleep again and also I hate you :(

istoff ,

Had to take a break and come back later before it made sense.

Evil_Shrubbery ,

I’m not saying I was having a good day before, but this made it that lil bit worse.

ArmokGoB ,

1212 isn’t a palindrome, but 1221 is.

FreshLight ,

Thank you for letting me hate it as well.

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