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In mathematics, genus (pl.: genera) has a few different, but closely related, meanings. Intuitively, the genus is the number of "holes" of a surface.[1] A sphere has genus 0, while a torus has genus 1.
- ^ Popescu-Pampu 2016, p. xiii, Introduction.
In mathematics, genus (pl.: genera) has a few different, but closely related, meanings. Intuitively, the genus is the number of "holes" of a surface.[1] A sphere has genus 0, while a torus has genus 1.