7

I was trying to reproduce the followings symbols in maths formulas from an old book:

  1. image 1 2) image 2

At first glance, I thought that \mathfrak could do the job, but the result wasn't as expected:

unsuccesfull latex output

Searching in WhatTheFont, I found a very similar font that could be useful, called Special Alphabet 1 Monotype

special alphabet 1

Is there a equivalent math font in LaTeX to make these symbols?

MWE

\documentclass[12pt]{article}
\usepackage{amssymb,amsmath}

\begin{document}

\begin{align*}
\mathfrak{H}\psi &= E\psi \\
\mathfrak{N} &\rightarrow \infty
\end{align*}

\end{document} 
1
  • I can't solve your problem but I am eternally grateful for the link WhatTheFont you provided. More than once I spent an evening trying to find back the font what I had used in certain documents a few hard disks before. – Johannes Linkels Feb 10 at 23:58
10

That H is more similar to Euler Script bold, or perhaps the \mathcal font from MathTime Pro. It would be possible to use that font you found in LuaLaTeX or XeLaTeX.

Here is a version that uses Neo Euler:

\documentclass{article}
\usepackage{unicode-math}
\usepackage{newcomputermodern}

\setmathfont[range={cal,bfcal}, Scale=MatchUppercase]{Neo Euler}

\begin{document}
\begin{align*}
  \mathbfcal{H} \psi &= E \psi \\
  \mathfrak{N} &\to \infty
\end{align*}
\end{document}

Neo Euler/New Computer Modern sample

And a PDFTeX-compatible version:

\documentclass{article}
\usepackage{lmodern}
\usepackage[cal=euler, frak=euler]{mathalpha}
\usepackage{amsmath}

\begin{document}
\begin{align*}
  \mathbcal{H} \psi &= E \psi \\
  \mathfrak{N} &\to \infty
\end{align*}
\end{document}

AMS Euler sample

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