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  2. Null graph - Wikipedia

    en.wikipedia.org/wiki/Null_graph

    An edgeless graph is occasionally referred to as a null graph in contexts where the order-zero graph is not permitted. [1] [2] It is a 0-regular graph. The notation K n arises from the fact that the n-vertex edgeless graph is the complement of the complete graph K n.

  3. Glossary of graph theory - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_graph_theory

    A graph in which attributes (e.g. names) are associated with the nodes and/or edges. node A synonym for vertex. non-edge A non-edge or anti-edge is a pair of vertices that are not adjacent; the edges of the complement graph. null graph See empty graph.

  4. Complete graph - Wikipedia

    en.wikipedia.org/wiki/Complete_graph

    The complement graph of a complete graph is an empty graph. If the edges of a complete graph are each given an orientation, the resulting directed graph is called a tournament. K n can be decomposed into n trees T i such that T i has i vertices. [6] Ringel's conjecture asks if the complete graph K 2n+1 can be decomposed into copies of any tree ...

  5. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    This is not possible here, as there is no natural order on symbols, and many symbols are used in different parts of mathematics with different meanings, often completely unrelated. Therefore, some arbitrary choices had to be made, which are summarized below. The article is split into sections that are sorted by an increasing level of technicality.

  6. Empty graph - Wikipedia

    en.wikipedia.org/?title=Empty_graph&redirect=no

    This page was last edited on 13 March 2006, at 19:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

  7. Braille pattern dots-0 - Wikipedia

    en.wikipedia.org/wiki/Braille_pattern_dots-0

    The Braille pattern dots-0 ( ⠀), also called a blank Braille pattern, is a 6-dot or 8-dot braille cell with no dots raised. It is represented by the Unicode code point U+2800, and in Braille ASCII with a space.

  8. Null sign - Wikipedia

    en.wikipedia.org/wiki/Null_sign

    The English language was a fusional language, this means the language makes use of inflectional changes to convey grammatical meanings. Although the inflectional complexity of English has been largely reduced in the course of development, the inflectional endings can be seen in earlier forms of English, such as the Early Modern English (abbreviated as EModE).

  9. Urdu Lughat - Wikipedia

    en.wikipedia.org/wiki/Urdu_Lughat

    [citation needed] It is published by the Urdu Lughat Board, Karachi. The dictionary was edited by the honorary director general of the board Maulvi Abdul Haq who had already been working on an Urdu dictionary since the establishment of the Urdu Dictionary Board, Karachi, in 1958. [1] [2] [3] Urdu Lughat consists of 22 volumes. In 2019, the ...