Abstract
The equation f (x,y) = 0, where x and y are complex variables and f is a polynomial (with complex coefficients in general), defines a subset of the complex plane ℂ2 (with coordinates x and y) of dimension two, since the real dimension of a 2-dimensional complex plane is equal to 4, and equating to zero the complex number f (x,y) means equating to zero both its real part and its imaginary part; that is, we have two equations in the four real variables (Re x, Imx, Rey, Imy).
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© 2013 Springer-Verlag Berlin Heidelberg
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Arnold, V.I. (2013). Complex Algebraic Curves. In: Itenberg, I., Kharlamov, V., Shustin, E. (eds) Real Algebraic Geometry. UNITEXT(), vol 66. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36243-9_5
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DOI: https://doi.org/10.1007/978-3-642-36243-9_5
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