Listing number
Jump to navigation
Jump to search
English
[edit]Etymology
[edit]These numbers were introduced by the 19th-century mathematician Johann Benedict Listing, and later given this name by Charles Sanders Peirce.
Noun
[edit]Listing number (plural Listing numbers)
- (mathematics) Any of four topological invariants associated with a topological space. The smallest Listing number counts the number of connected components of a space, and is thus equivalent to the zeroth Betti number.