Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A partial order structure on interval orders   We introduce a partial order structure on the set of interval orders of a
given size, and prove that such a structure is in fact a lattice. We also
provide a way to compute meet and join inside this lattice. Finally, we show
that, if we restrict to series parallel interval order, what we obtain is the
classical Tamari poset.

19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc
13
The categories of this paper are: quant-ph
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
17
The categories of this paper are: q-fin