Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Spectral problem of block-rectangular hierarchical matrices   The spectral problem for matrices with a block-hierarchical structure is
often considered in context of the theory of complex systems. In the present
article, a new class of matrices with a block-rectangular non-symmetric
hierarchical structure is introduced and the corresponding spectral problem is
investigated. Using these results we study a model of error generation in
information sequence where such block-rectangular hierarchical matrices appear
in a natural way.

19
The categories of this paper are: eess
3
The categories of this paper are: physics
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph