Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Matters of Gravity, Newsletter of the APS TGG on gravitation, number 7   Contents:
  Editorial, J. Pullin
  Report from the APS TGG, Beverly Berger
  We hear that..., J. Pullin
  LIGO project status, S. Whitcomb
  General relativity survives another test, C. Will
  Macroscopic deviations from Hawking radiation? L. Smolin
  Event horizons and topological censorship, E. Seidel
  Critical behavior in black hole collapse, J. Horne
  Third Texas Workshop on 3D Numerical Relativity, P. Laguna
  ICGC-95, M.A.H. MacCallum
  The Josh Goldberg Symposium, P. Saulson
  Summer school in Bad Honnef, H.-P. Nollert
  Fifth Annual Midwest Relativity Conference, J. Romano
  Volga-7 '95, A. Aminova, D. Brill.

32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol
1
The categories of this paper are: cs
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
12
The categories of this paper are: nucl-th
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
0
The categories of this paper are: hep-ph