Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Fully Numerical Approach to One-Loop Amplitudes   We suggest a new approach for the automatic and fully numerical evaluation of
one-loop scattering amplitudes in perturbative quantum field theory. We use
suitably formulated dispersion relations to perform the calculation as a
convolution of tree-level amplitudes. This allows to take advantage of the
iterative numerical algorithms for the evaluation of leading order matrix
elements.

5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
2
The categories of this paper are: math
26
The categories of this paper are: bayes-an
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
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The categories of this paper are: astro-ph
3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom