Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantum Field Theory in the Limit x << 1   The asymptotic high momentum behaviour of quantum field theories with cubic
interactions is investigated using renormalization group techniques in the
asymmetric limit x << 1. Particular emphasis is paid to theories with
interactions involving more than one field where it is found that a matrix
renormalization is necessary. Asymptotic scaling forms, in agreement with Regge
theory, are derived for the elastic two-particle scattering amplitude and
verified in one-loop renormalization group improved perturbation theory,
corresponding to the summation of leading logs to all orders. We give explicit
forms for the Regge trajectories of different scalar theories in this
approximation and determine the signatures.

17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph