Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Clustering with Respect to the Information Distance   We discuss the notion of a dense cluster with respect to the information
distance and prove that all such clusters have an extractable core that
represents the mutual information shared by the objects in the cluster.

28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex