In Collaboration with: Enrique Paillas, Will Percival, Sandy Yuan, Yan-Chuan Cai, Sesh Nadathur, Mathilde Pinon, Arnaud de Mattia, Etienne Burtin, Ariel Sanchez, Nelson Padilla, Florian Beutler, Vanina Ruhlmann-Kleider, Daniel Forero-Sanchez, Georgios Valogiannis
Constraining vΛCDM:
beyond two-point functions
Carolina Cuesta-Lazaro

IAIFI fellow - MIT/CfA

Optimise information on cosmological parameters
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Optimise information on cosmological parameters
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Surprises
Optimise information on cosmological parameters
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Optimise information on cosmological parameters
Surprises













Quintile autocorrelations










Quintile autocorrelations










Quintile autocorrelations


Voids
Clusters












Quintile-galaxy crosscorrelations










Quintile-galaxy crosscorrelations










Quintile-galaxy crosscorrelations

Voids
Clusters



Fisher Information
Dark Matter halos Quijote Simulations
Fisher Information
Dark Matter halos Quijote Simulations

+ Galaxy-Halo connection
+ Cut-sky
+ Alcock-Paczinsky
+ Fiber collisions




N-body simulations
Observations
+ Cosmology dependence



























































from sunbird.summaries import DensitySplitCross
emulator = DensitySplitCross()
slice_filters = {'s': [0.1,150.]}
cosmo_params = {
'omega_b': 0.02,
'omega_cdm': 0.12,
'sigma8_m': 0.8, 'n_s': 0.96,
'nrun': 0.,
'N_ur': 2.03,
'w0_fld': -1.0,
'wa_fld': 0.0,
}
hod_params = {
'logM1': 13.9,
'logM_cut': 12.6,
'alpha': 0.75,
'alpha_s': 1.0,
'alpha_c': 0.3,
'logsigma': -1.8,
'kappa': 0.1,
'B_cen': 0.0,
'B_sat': 0.0,
}
params = {**cosmo_params, **hod_params}
prediction = emulator(
param_dict=parameters,
slice_filters=slice_filters,
return_errors=False,
)
https://github.com/florpi/sunbird


Different N-body Code +
Galaxy-Halo connection (SHAM)







BOSS CMASS DR12
0.45 ≤ 𝑧 ≤ 0.6


BOSS CMASS DR12
0.45 ≤ 𝑧 ≤ 0.6

Copy of EAS23
By carol cuesta
Copy of EAS23
- 304