In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+03BE (GREEK SMALL LETTER XI).
\bbxiSymbol
The ξ symbol (Greek small letter xi, U+03BE), written as \bbxi in LaTeX math mode.
The ξ symbol (Greek small letter xi, U+03BE), written as \bbxi in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+03BE (GREEK SMALL LETTER XI).