Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: (h; k)-Dichotomy and Lyapunov Type Norms   The paper considers a general concept of nonuniform (h; k)- dichotomy for
evolution operators in Banach spaces. Two characterizations of this concept in
terms of some families of norms compatible with the dichotomy projectors are
given.

31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
11
The categories of this paper are: hep-lat
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
4
The categories of this paper are: cond-mat
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
0
The categories of this paper are: hep-ph