Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Kondomania   Originally the Kondo effect describes a scattering mechanism of electrons in
metals that have defects with internal quantum mechanical degrees of freedom.
The characteristic dynamic interplay between localized and itinerant states
occurs in many different forms. It is now clear that the Kondo effect shapes
the properties of various classes of quantum materials and is a key to
understanding their unusual properties. In the following we outline a selection
of the most important developments in this Kondomania.

20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
0
The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
24
The categories of this paper are: dg-ga
16
The categories of this paper are: stat
2
The categories of this paper are: math
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an