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Using the Fisher matrix formalism, we quantitatively investigate theconstraints on a 10 dimensional space of cosmological parameters which may beobtained with future cluster surveys. We explore the dependence of the Omega_mconstraint on both angular coverage and depth of field. We show that in eachcase there is a natural cutoff beyond which the constraints on Omega_m do notsignificantly improve. We also investigate the sensitivity of the constraintsto changes in our knowledge of the Mass-Temperature (M-T) relation by includingits normalization and scatter as two of the parameters in the Fisher matrix. Tomake our analysis more realistic, we have added, as priors, the Fisher matricesfrom hypothetical supernova and CMB experiments. We find that X-ray clustersurveys actually help to constrain the M-T relation, and explore theimplications of this result.Comment: 10 pages, 7 figure

Future Galaxy Cluster Surveys: The Effect of Theory Uncertainty on Constraining Cosmological Parameters