Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Presentations for monoids of finite partial isometries   In this paper we give presentations for the monoid $\mathcal{DP}_n$ of all
partial isometries on $\{1,\ldots,n\}$ and for its submonoid $\mathcal{ODP}_n$
of all order-preserving partial isometries.

30
The categories of this paper are: q-alg
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys