3 ms·
There is a distinction between a torus and a solid torus A torus is like an inner tube - an inner void and a big hole in the middle. A solid torus just has a
by superhuzza 3y ago
There is a distinction between a torus and a solid torus
A torus is like an inner tube - an inner void and a big hole in the middle.
A solid torus just has a big hole in the middle, like a donut.
https://en.wikipedia.org/wiki/Solid_torus https://en.wikipedia.org/wiki/Solid_torus
- toth 3y agoYou probably are aware, but just to make it clear for others: topologically a torus has one hole (genus 1). The inner void is not considered a hole. Similarly, a 2-sphere (surface of solid sphere in 3d) has 0 holes (the inner void is not considered).
- adgjlsfhk1 3y agoto be slightly more technical what you're defining as "voids" are often considered 2-dimensional holes (as formalized by homology)