Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Paquets stables des s\'eries discr\`etes accessibles par endoscopie
  tordue; leur param\`etre de Langlands   In this paper we gives the Langlands parameters of Langlands' packets of
discrete series using the twisted endoscopy as explained by Arthur; this holds
for orthogonal, symplectic, unitary and G-Spin groups and gives the most simple
proof available. We have assume that the groups are quasi-split but this is
just for simplicity. The proof explaines first what is the classification from
the representation's theory point of view; this gives the Langlands' packets
purely in terms of representation theory. And then using the theory of
L-function of Shahidi and the doubling method of Rallis and Piatetskii-Shapiro,
we translate this result in term of the $L$-group. Only the first part differs
at some places of Arthur's point of view and gives more results about
reducibility points of induced representations. We hope that this paper will
make very clear how fruitful is the doubling method.

4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org