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Difference between revisions of "Acnode"

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An older term, hardly used nowadays (2000), for an isolated point, or hermit point, of a plane algebraic curve (cf. also [[Algebraic curve|Algebraic curve]]).
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An older term, hardly used nowadays (2000), for an isolated point, or hermit point, of a plane [[algebraic curve]].
  
 
[[File:Acnode.svg|center|200px|Acnode]]
 
[[File:Acnode.svg|center|200px|Acnode]]

Latest revision as of 19:19, 16 March 2023

An older term, hardly used nowadays (2000), for an isolated point, or hermit point, of a plane algebraic curve.

Acnode

For instance, the point $(0,0)$ is an acnode of the curve $X^3+X^2+Y^2=0$ in $\RR^2$.

References

  • [a1] R.J. Walker, "Algebraic curves", Princeton Univ. Press (1950) (Reprint: Dover 1962)
How to Cite This Entry:
Acnode. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Acnode&oldid=52716
This article was adapted from an original article by M. Hazewinkel (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article