Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Efficiency Discounted Exponential Growth (EDEG) Approach to Modeling the
  Power Progression of a Historical Dynasty   Various approaches to model the progression of a dynasty in terms of power
are discussed. The efficiency-discounted exponential growth (EDEG) approach is
presented, and the effects of changing decay type and growth rate are
demonstrated. The Russian Romanov dynasty is utilized as an example for several
of the approaches.

2
The categories of this paper are: math
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
18
The categories of this paper are: econ
16
The categories of this paper are: stat
15
The categories of this paper are: nucl-ex
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
9
The categories of this paper are: nlin
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs