All Articles tagged galaxy redshift surveys

• Instrumentation and Methods for Astrophysics
  July 21, 2022 IST
  Bayesian error propagation for neural-net based parameter inference
  Daniela GrandónElena Sellentin

  A Bayesian technique for quantifying errors in inference based on neural nets with particular emphasis on the application to cosmological parameters inferred from galaxy surveys.

  Abstract
• Cosmology and Nongalactic Astrophysics
  March 20, 2019 IST
  The effect on cosmological parameter estimation of a parameter dependent covariance matrix
  Darsh KodwaniPedro G. FerreiraDavid Alonso

  A discussion of the consequences of the uncertainties in cosmological parameter estimation using weak lensing and/or galaxy clustering if the parameter dependence of the covariance matrix of observables is ignored.

  Abstract