TeX parsing

### Confirm that this is a bug report

- [x] I want to report an issue that does _not_ concern paper or author metadata.
- [x] I have searched for similar existing issues first.

### Problem Description

Here are all the errors that show up when parsing LaTeX from the abstracts:

```
[00:04:11] WARNING Unknown TeX-math command: \choose texmath.py:171
WARNING Unknown TeX-math command: \choose texmath.py:171
[00:04:50] WARNING Unknown TeX-math command: texmath.py:171
\textcolor{red}{100~trillion}
WARNING Unknown TeX-math command: texmath.py:171
\textcolor{red}{100~trillion}
[00:04:51] WARNING Unknown TeX-math command: \dots texmath.py:171
WARNING Unknown TeX-math command: \dots texmath.py:171
WARNING Unknown TeX-math command: \binom{62}{6} texmath.py:171
WARNING Unknown TeX-math command: \binom{62}{6} texmath.py:171
[00:04:54] WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
WARNING Unknown TeX-math command: \pmb{\times} texmath.py:171
[00:04:55] WARNING Unknown TeX-math command: \min texmath.py:171
WARNING Unknown TeX-math command: \min texmath.py:171
[00:04:56] WARNING Unknown TeX-math command: texmath.py:171
\textcolor{red}{WARNING: This paper contains
examples of harmful or inappropriate images
generated by models.}
WARNING Unknown TeX-math command: texmath.py:171
\textcolor{red}{WARNING: This paper contains
examples of harmful or inappropriate images
generated by models.}
WARNING Unknown TeX-math command: \textemdash texmath.py:171
WARNING Unknown TeX-math command: \textemdash texmath.py:171
WARNING Unknown TeX-math command: \mathcal{PS} texmath.py:171
WARNING Unknown TeX-math command: \mathcal{PSD} texmath.py:171
WARNING Unknown TeX-math command: \mathcal{WFS} texmath.py:171
WARNING Unknown TeX-math command: \mathcal{PS} texmath.py:171
WARNING Unknown TeX-math command: \mathcal{PSD} texmath.py:171
WARNING Unknown TeX-math command: \mathcal{WFS} texmath.py:171
[00:04:57] WARNING Unknown TeX-math command: \textemdash{} texmath.py:171
WARNING Unknown TeX-math command: \textemdash{} texmath.py:171
[00:04:58] WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
[00:04:59] WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \mathbf texmath.py:171
WARNING Unknown TeX-math command: \left\lfloor texmath.py:171
WARNING Unknown TeX-math command: \right\rfloor texmath.py:171
WARNING Unknown TeX-math command: \left\lfloor texmath.py:171
WARNING Unknown TeX-math command: \right\rfloor texmath.py:171
[00:05:00] WARNING Unknown TeX-math command: \lVert texmath.py:171
WARNING Unknown TeX-math command: \rVert texmath.py:171
WARNING Unknown TeX-math command: \lVert texmath.py:171
WARNING Unknown TeX-math command: \rVert texmath.py:171
[00:05:01] WARNING Unknown TeX-math command: \mathsf{conv} texmath.py:171
WARNING Unknown TeX-math command: \mathsf{conv} texmath.py:171
[00:05:06] WARNING Unknown TeX-math command: \textless texmath.py:171
WARNING Unknown TeX-math command: \textgreater texmath.py:171
WARNING Unknown TeX-math command: \textless texmath.py:171
WARNING Unknown TeX-math command: \textgreater texmath.py:171
WARNING Unknown TeX-math command: \textless texmath.py:171
WARNING Unknown TeX-math command: \textgreater texmath.py:171
WARNING Unknown TeX-math command: \textless texmath.py:171
WARNING Unknown TeX-math command: \textgreater texmath.py:171
[00:05:09] WARNING Unknown TeX-math command: \textemdash{} texmath.py:171
WARNING Unknown TeX-math command: \textemdash{} texmath.py:171
[00:05:10] WARNING Unknown TeX-math command: \DALI texmath.py:171
WARNING Unknown TeX-math command: \DALI texmath.py:171
WARNING Unknown TeX-math command: \mathbb{E}[X] texmath.py:171
WARNING Unknown TeX-math command: \mathbb{E}[X] texmath.py:171
```

A lot of these can be handled by simple mappings; I suggest at ingestion (plus a one-time change):

- \textgreater, \textless, \dots, \textemdash

Some can be handled with HTML conversions:

- \mathbf (add to existing list with \bf and \textbf)
- \mathcal

Some are garbage and should just be fixed manually
- \DALI