Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Field redefinitions in effective theories at higher orders   The invariance of physical observables under redefinitions of the quantum
fields is a well-known and important property of quantum field theory. We study
perturbative field redefinitions in effective theories, paying special
attention to higher-order effects and their impact on matching to an
ultraviolet theory at the classical and quantum levels.

26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
15
The categories of this paper are: nucl-ex
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
1
The categories of this paper are: cs