Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: No Finite Invariant Density for Misiurewicz Exponential Maps   For exponential mappings such that the orbit of the only singular value 0 is
bounded, it is shown that no integrable density invariant under the dynamics
exists on the complex plane.

1
The categories of this paper are: cs
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
3
The categories of this paper are: physics
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph