XY-pic LaTeX Diagrams

Typeset commutative diagrams, automata, and categorical constructions using XY-pic in LaTeX, with inline Emacs preview via AUCTeX.

Setup

Preamble

\usepackage[all,cmtip]{xy}

• all loads every XY-pic extension (matrix, arrow, curve, frame, etc.)
• cmtip uses Computer Modern arrowheads (cleaner than default)

Emacs / AUCTeX preview

Add to init.el for inline C-c C-p C-p preview of xymatrix environments: