4 ms·
You 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,
by toth 3y ago
You 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)