Null graph

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In the mathematical field of graph theory, the term "null graph" may refer either to the order-zero graph, or alternatively, to any edgeless graph (the latter is sometimes called an "empty graph").

Excerpt from the Wikipedia article “Null graph”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Undayfined, CC BY-SA 3.0, via Wikimedia Commons.