Weierstrass p

Inhalt "Weierstrass p":

High Quality Content by WIKIPEDIA articles! In mathematics, the Weierstrass p ( , or wp at a larger font size, a stylized letter p), also called pe, is used for the Weierstrass's elliptic function. It is occasionally used for the power set, although for that purpose a cursive capital, rather than lower-case, p is more widespread. It is named after the German mathematician Karl Weierstrass. Its Unicode code point is U+2118 ( ) where it is incorrectly named script capital p. It is always a lowercase letter, but this error is not corrected in later versions in order to keep the Unicode standard stable. The TeX code for this character is wp. The HTML 4.0 character entity for this character is . Starting with Unicode 3.0.1 a separate, capital symbol is available for powerset, namely U+1D4AB (MATHEMATICAL SCRIPT CAPITAL P), which is available as 𝒫 in HTML5. As of 2009, only a few specialized OpenType fonts support this code point.