Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Recovering Lorentz Invariance of DLCQ   We propose a way to recover Lorentz invariance of the perturbative S matrix
in the Discrete Light-Cone Quantization (DLCQ) in the continuum limit without
spoiling the trivial vacuum.

21
The categories of this paper are: adap-org
35
The categories of this paper are: mtrl-th
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
16
The categories of this paper are: stat
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex