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
p(
)
|
\mathrm{Cosmology}
Optimise information on cosmological parameters
p(
)
|
\mathrm{Cosmology}
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Optimise information on cosmological parameters
p(
)
|
\mathrm{Cosmology}
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Surprises
Optimise information on cosmological parameters
p(
)
|
\mathrm{Cosmology}
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Optimise information on cosmological parameters
Surprises
Quintile autocorrelations
\xi^{qq}(s, \mu)
Quintile autocorrelations
\xi^{qq}(s, \mu)
Quintile autocorrelations
\xi^{qq}(s, \mu)
Voids
Clusters
\xi^{qg}(s, \mu)
Quintile-galaxy crosscorrelations
\xi^{qg}(s, \mu)
Quintile-galaxy crosscorrelations
\xi^{qg}(s, \mu)
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
\theta_1 = \left\{\Omega_m^1, \sigma_8^1, ...\right\}
\theta_2 = \left\{\Omega_m^2, \sigma_8^2, ...\right\}
\theta_3 = \left\{\Omega_m^3, \sigma_8^3, ...\right\}
\theta_1 = \left\{\Omega_m^1, \sigma_8^1, \mathcal{G}^1, ...\right\}
\theta_2 = \left\{\Omega_m^2, \sigma_8^2, \mathcal{G}^2, ...\right\}
\theta_3 = \left\{\Omega_m^3, \sigma_8^3, \mathcal{G}^3, ...\right\}
\theta_1 = \left\{\Omega_m^1, \sigma_8^1, \mathcal{G}^1, ...\right\}
\theta_2 = \left\{\Omega_m^2, \sigma_8^2, \mathcal{G}^2, ...\right\}
\theta_3 = \left\{\Omega_m^3, \sigma_8^3, \mathcal{G}^3, ...\right\}
\theta_X = \left\{\Omega_m^X, \sigma_8^X, \mathcal{G}^X, ...\right\}
?
\theta_1 = \left\{\Omega_m^1, \sigma_8^1, \mathcal{G}^1, ...\right\}
\theta_2 = \left\{\Omega_m^2, \sigma_8^2, \mathcal{G}^2, ...\right\}
\theta_3 = \left\{\Omega_m^3, \sigma_8^3, \mathcal{G}^3, ...\right\}
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
