5

I am trying to reproduce this lowercase k with some mathbb font

enter image description here

I have tried using the bbm font, bbold font and mathds without success. I either get

enter image description here

that is not what I am looking for.

I was able to reproduce the desired symbol with \Bbbk but I read that the package \Bbb is out of date and should be avoided.

  • 1
    the symbol you want, do you have it in a pdf file, or just a scan of paper? – David Carlisle Jul 24 '18 at 19:40
  • The command \Bbb is deprecated, but amssymb provides \Bbbk which is the appropriate command for the glyph you want. – egreg Jul 24 '18 at 20:04
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The command \Bbb that used to be part of amsfonts has been deprecated in favor of \mathbb. However, \Bbbk is still the command for the blackboard bold lowercase k and is defined in amssymb.

\documentclass{article}
\usepackage{amsmath,amssymb}

\begin{document}

$\Bbb{A}$ % deprecated

$\Bbbk$

\end{document}

The command \Bbb{A} produces a warning

Package amsfonts Warning: Obsolete command \Bbb; \mathbb should be used instead
 on input line 6.

but the command \Bbbk is perfectly fine.

enter image description here

  • Spectacular. In word there is a font, but I do not remember exactly if you call it math js-bold font that has exactly the glyphs of \mathbb in upper and lower case. I thought it could be called up with the LaTeX. Congratulations again and I extend my sincerest greetings. – Sebastiano Jul 24 '18 at 21:06

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