Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Brief Discussion on the Crossovers in Detrended Fluctuation Analysis   An analytical formula for the contributions of the trend leftovers in DFA
method is presented, based upon which the crossovers in DFA are investigated in
detail. This general formula can explain the calculated results with DFA method
for some examples in literature very well.

19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
20
The categories of this paper are: acc-phys
1
The categories of this paper are: cs
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat