Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Causal representation and numerical evaluation of multi-loop Feynman
  integrals   The loop-tree duality (LTD) has become a novelty alternative to bootstrap the
numerical evaluation of multi-loop scattering amplitudes. It has indeed been
found that Feynman integrands, after the application of LTD, display a
representation containing only physical information, the so-called causal
representation. In this talk, we discuss the all-loop causal representation of
multi-loop Feynman integrands, recently found in terms of features that
describe a loop topology, vertices and edges. Likewise, in order to elucidate
the numerical stability in LTD integrands, we present applications that involve
numerical evaluations of two-loop planar and non-planar triangles with presence
of several kinematic invariants.

26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
13
The categories of this paper are: quant-ph
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
2
The categories of this paper are: math
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat