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 |
Finite or discrete collections of geometric objects. Packings, tilings, polyhedra, polytopes, intersection, arrangements, rigidity.
5
votes
Accepted
Counting lattice points inside a parallelepiped
I have not filled in absolutely all the details, but hopefully this is enough to be convincing.
Let's let $M$ take positive integer values, and let's consider the parallelepiped: $$P'=\{x+Mtv\mid x\in …
2
votes
What's the difference between a PL simplicial sphere and a shellable simplicial sphere?
I think the question is slightly missing the point, in a way that it may be useful to explain. Frequently, the reason you would want to show something is a shellable simplicial sphere is in order to b …
0
votes
Accepted
number of affine pieces of linear interpolation of convex functions in high dimension
Let's think of choosing the values of $f$ at the grid points one grid point at a time, in such a way that the result is convex.
If you work systematically through the grid points in an order so t …
5
votes
Accepted
Functionals on oriented matroids
I think the answer to your first question is "yes".
Oriented matroids can be realized topologically, and I am going to use that language. (This means is that I can pretend the oriented matroid is …