[Tex/LaTex] Symbol of interior and closure in mathmode

math-modesymbols

What is code of this line below related to the interior and the closure of A in D? Thank you

Best Answer

\newcommand*\interior[1]{\mathring{#1}}
\newcommand*\closure[1]{\overline{#1}} % (or \bar{#1})

and then use \interior{A} and \closure{A}.

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[Tex/LaTex] Symbol for contraction / interior product

MnSymbol package has \invneg symbol, which is most likely what you're looking for. Hope this helps.

\documentclass{article}
\usepackage{mnsymbol}

\begin{document}
\[\invneg\]
\end{document}

[Tex/LaTex] Interior product (contraction) symbol

I stumbled upon the correct markup used in Wikipedia's article on geometric algebra. I looked at the code and found the symbol is given by \lrcorner. \llcorner is the same thing but flipped horizontally.

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[Tex/LaTex] Symbol for contraction / interior product

[Tex/LaTex] Interior product (contraction) symbol

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