454 citations · 5.5k across the 66 of their papers we have counts for
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Modeling Galaxies in Redshift Space at the Field Level
Marcel Schmittfull, Marko Simonović, Mikhail M. Ivanov +2
We develop an analytical forward model based on perturbation theory to predict the redshift-space galaxy overdensity at the field level given a realization of the initial condition…
Optimizing large-scale structure data analysis with the theoretical error likelihood
Anton Chudaykin, Mikhail M. Ivanov, Marko Simonović
An important aspect of large-scale structure data analysis is the presence of non-negligible theoretical uncertainties, which become increasingly important on small scales. We show…
Constraints on the curvature of the Universe and dynamical dark energy from the Full-shape and BAO data
Anton Chudaykin, Konstantin Dolgikh, Mikhail M. Ivanov
We present limits on the parameters of the oCDM, CDM, and CDM models obtained from the joint analysis of the full-shape, baryon acoustic oscillations (BAO), big ba…
Fewer Mocks and Less Noise: Reducing the Dimensionality of Cosmological Observables with Subspace Projections
Oliver H. E. Philcox, Mikhail M. Ivanov, Matias Zaldarriaga +2
Creating accurate and low-noise covariance matrices represents a formidable challenge in modern-day cosmology. We present a formalism to compress arbitrary observables into a small…
Cosmological constraints from BOSS with analytic covariance matrices
Digvijay Wadekar, Mikhail M. Ivanov, Roman Scoccimarro
We use analytic covariance matrices to carry out a full-shape analysis of the galaxy power spectrum multipoles from the Baryon Oscillation Spectroscopic Survey (BOSS). We obtain pa…
Cosmology Intertwined IV: The Age of the Universe and its Curvature
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +88
A precise measurement of the curvature of the Universe is of primeval importance for cosmology since it could not only confirm the paradigm of primordial inflation but also help in…