Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Intersection homology Betti numbers   A generalization of the formula of Fine and Rao for the ranks of the
intersection homology groups of a complex algebraic variety is given. The proof
uses geometric properties of intersection homology and mixed Hodge theory.

37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
15
The categories of this paper are: nucl-ex
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio