Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Twisted Yangians and symmetric pairs   We describe recent work on the twisted Yangians Y(g,h) which arise as
boundary remnants of Yangians Y(g) in 1+1D integrable field theories, bringing
out the special role played by the requirement that (g,h) be a symmetric pair.

11
The categories of this paper are: hep-lat
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an