Listing number
Listing number noun: 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.
Noun
Listing number (plural Listing numbers)
- 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.
Forms of Listing number
| plural | Listing numbers |
|---|
Origin of Listing number
These numbers were introduced by the 19th-century mathematician Johann Benedict Listing, and later given this name by Charles Sanders Peirce.
Questions about Listing number
- What does Listing number mean?
- Listing number means 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.
- What part of speech is Listing number?
- Listing number is a noun.
- What is the plural of Listing number?
- The plural of Listing number is Listing numbers.
Words near Listing number in the dictionary
Source and license
Adapted from Wiktionary: Listing number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “Listing number.” Word.ws, https://word.ws/listing_number. Based on Wiktionary, CC BY-SA 4.0.
