Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unitary Hecke algebra modules with nonzero Dirac cohomology   In this paper, we review the construction of the Dirac operator for graded
affine Hecke algebras and calculate the Dirac cohomology of irreducible unitary
modules for the graded Hecke algebra of gl(n).

28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
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The categories of this paper are: math-ph
1
The categories of this paper are: cs
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The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
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The categories of this paper are: eess
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: q-alg