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I was able to reproduce the desired symbol with \Bbbk but I read that the package \Bbb is out of date and should be avoided.

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  • 1
    the symbol you want, do you have it in a pdf file, or just a scan of paper? Commented Jul 24, 2018 at 19:40
  • The command \Bbb is deprecated, but amssymb provides \Bbbk which is the appropriate command for the glyph you want. Commented Jul 24, 2018 at 20:04
  • Related: package for \mathbb{lowercase letter} symbol - TeX - LaTeX Stack Exchange Commented Oct 16, 2024 at 15:59

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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

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  • 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. Commented Jul 24, 2018 at 21:06
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    How can I use this to produce other letters? It doesn't seem to work for "r" Commented Sep 22, 2020 at 5:56

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