Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Determinants of Block Tridiagonal Matrices   An identity is proven that evaluates the determinant of a block tridiagonal
matrix with (or without) corners as the determinant of the associated transfer
matrix (or a submatrix of it).

7
The categories of this paper are: hep-th
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
8
The categories of this paper are: hep-ex
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an