Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Equations of the moduli of pointed curves in the infinite Grassmannian   The main result of this paper is the explicit computation of the equations
defining the moduli space of triples $(C,p,z)$ (where $C$ is an integral and
complete algebraic curve, $p$ a smooth rational point and $z$ a formal
trivialization around $p$) in the infinite Grassmannian of $k((t))$. This is
achieved by introducing infinite Grassmannians, tau and Baker-Ahkiezer
functions algebraically and by proving an Addition Formula for tau functions.

34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
5
The categories of this paper are: gr-qc
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
15
The categories of this paper are: nucl-ex
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci