Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
cperciva
on June 30, 2021
|
parent
|
context
|
favorite
| on:
A foreign seller has hijacked my Amazon Klein bott...
You are correct. Stoll makes a projection of Klein bottles into 3-space which results in them being self-intersecting.
CliffStoll
on June 30, 2021
[–]
Yep, exactly.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: