Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two Lectures on the AdS/CFT Correspondence   This is a write-up of two lectures on AdS/CFT correspondance given by the
authors at the 1998 Spring School at the Abdus Salam ICTP

35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph