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Brilliant! Thanks Thorsten

Ah, apologies - I realize how unhelpful my question was. Thanks for the LaTeX community pointers, Svend and Clemens. I've included a working example of the code below (I had forgotten that I had defined \F ).

\documentclass[titlepage]{article}
\usepackage{amsmath, amssymb,anysize,graphicx,float ...

Hi LaTeX Community,

I have a long exact sequence, which, for the sake of aesthetics, I decided to present in a tikzcd array. Below is the LaTeX code I used to produce it:

\begin{tikzcd}
0 \rar & \,~H^0(X,\F'')\,~ \rar & H^0(X,\F) \rar & \,~H^0(X,\F')\,~ \ar[out=0, in=180, looseness=3,overlay ...

Hi Stefan,
Thanks so much, that works perfectly!
Jonathan

Hi LaTeXers,

It seems that the default on \begin{align*} ... \end{align*} is to centre it, is there any way of having a left-justified set of aligned equations? e.g.

\begin{align*}
x&= abcd\\
&=abcd+efgh
\end{align*}

would be centred, but I would like it to appear as

x = abcd
II = abcd+efgh ...

Thank you, cgnieder, that's perfect!
Jon

Hi LaTeXers,

I was wondering if anyone could help me with the following:

I'm typing up lecture notes and I like to be able to tell where lectures begin. I've been typing \marginpar{\fbox{Lecture 1}} , \marginpar{\fbox{Lecture 2}} , etc.. where I've wanted to show the start of a new lecture. But ...

Thanks so much Stefan, that's very, very helpful!
Jon.

I'm trying to LaTeX my lecture notes for a kindle and so I've started ny preamble with \documentclass[a5paper]{article}

However, I find that this makes my document look very juvenile (as the text is so large in relation to the page). Is there any way of reducing the text size to the point that it ...