Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Recent advances in the theoretical modeling of pulsating low-mass
  He-core white dwarfs   Many extremely low-mass (ELM) white-dwarf (WD) stars are currently being
found in the field of the Milky Way. Some of these stars exhibit long-period
nonradial $g$-mode pulsations, and constitute the class of ELMV pulsating WDs.
In addition, several low-mass pre-WDs, which could be precursors of ELM WDs,
have been observed to show short-period photometric variations likely due to
nonradial $p$ modes and radial modes. They could constitute a new class of
pulsating low-mass pre-WD stars, the pre-ELMV stars. Here, we present the
recent results of a thorough theoretical study of the nonadiabatic pulsation
properties of low-mass He-core WDs and pre-WDs on the basis of fully
evolutionary models representative of these stars.

34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
19
The categories of this paper are: eess
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
12
The categories of this paper are: nucl-th