Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Sorting a Permutation by block moves   We prove a lower and an upper bound on the number of block moves necessary to
sort a permutation. We put our results in contrast with existing results on
sorting by block transpositions, and raise some open questions.

29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
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The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
4
The categories of this paper are: cond-mat
23
The categories of this paper are: solv-int
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The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th