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Dear community,

I am using tikZ to draw mathematical commutative diagrams. I am struggling to draw a diagram as the image attached, but I don't really know how to draw the double diagonal line, the one labeled with H .

My code is
\begin{tikzpicture}
\matrix (m) [matrix of math nodes, row sep=3em ...

Hi Stefan, Thanks. I'm embarrassed I didn't thought of it . For the $Sing$, it is indeed the result I want in math mode.

Thank you for you fast answer !
Bogdan

Hello.

I am using tikz to draw commutative diagrams in mathematics. I would like to draw a diagram as in the .png attached. I almost reproduced it with the following code

\begin{center}
\begin{tikzpicture}
\matrix (m) [matrix of math nodes, row sep=7em, column sep=10em, text height=1.5ex, text ...