Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with geometric-constructions
Search options answers only
not deleted
user 3324
2
votes
how to construct a spherical dodecahedron?
Not an answer to the question as stated but relevant:
I don't seem to have a reference, but the quickest description of possible constructions on, say, the unit sphere, is by the angles made by inter …
- 25.7k
4
votes
Is there a ruler and compass construction of the common perpendicular of two geodesics in H^3?
I remembered that the isometries for the upper half space model of $\mathbf H^3$ are given by the action of $PSL_2\mathbf C$ on the points at infinity (the $xy$-plane as the complex numbers). So, give …
- 25.7k
5
votes
Bolyai's construction
EDIT: I have changed my mind. I think your best bet is the paperback Dover reprint by Bonola. He gives Bolyai's construction, which was slightly different from most modern treatments. Then he justifie …
- 25.7k
14
votes
Accepted
Is there a compass and straightedge construction of parallel lines in hyperbolic geometry?
The quickest way to get you started is to refer you to my article, reference [5] (a pdf) on
http://en.wikipedia.org/wiki/Squaring_the_circle
and then to the fourth edition (2008) of Marvin Jay Gree …
- 25.7k