Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Three Generalizations of the FOCUS Constraint   The FOCUS constraint expresses the notion that solutions are concentrated. In
practice, this constraint suffers from the rigidity of its semantics. To tackle
this issue, we propose three generalizations of the FOCUS constraint. We
provide for each one a complete filtering algorithm as well as discussing
decompositions.

29
The categories of this paper are: funct-an
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
35
The categories of this paper are: mtrl-th