Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cosmological constraints from current CMB and SN 1a data: a brute force
  8 parameter analysis   We describe constraints on a ``standard'' 8 parameter open cold dark matter
(CDM) model from the most recent CMB and SN1a data. Our parameters are the
densities of CDM, baryons, vacuum energy and curvature, the reionization
optical depth, and the normalization and tilt for both scalar and tensor
fluctuations. We find that although the possibility of reionization and gravity
waves substantially weakens the constraints on CDM and baryon density, tilt,
Hubble constant and curvature, allowing e.g. a closed Universe, open models
with vanishing cosmological constant are still strongly disfavored.

20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess