# Acnode

From Encyclopedia of Mathematics

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

Figure: a130100a

For instance, the point is an acnode of the curve in .

#### References

[a1] | R.J. Walker, "Algebraic curves" , Princeton Univ. Press (1950) (Reprint: Dover 1962) |

**How to Cite This Entry:**

Acnode. M. Hazewinkel (originator),

*Encyclopedia of Mathematics.*URL: http://www.encyclopediaofmath.org/index.php?title=Acnode&oldid=15498

This text originally appeared in Encyclopedia of Mathematics - ISBN 1402006098