Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Meteoroid Streams Identification   Criterion for the membership of individual meteors to meteoroid streams
presented by Valsecchi {\it et. al.} (1999) and Jopek {\it et. al.} (1999) is
discussed. The authors characterize and use their criterion as a distance
function. However, it is not a distance function. Some practical aspects are
also discussed. Correct criterion is presented.

36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math