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
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/9859021/pasted-from-clipboard.png)
IAIFI fellow - MIT/CfA
![](https://newscenter.lbl.gov/wp-content/uploads/2022/01/allframe-1000mpc-960x540-1.gif)
N-point functions
Counts-in-cell
Wavelets
Marked tpcfs
kNNs
Voids
Optimise information on cosmological parameters
Surprises
Share resources / Unify pipelines
Summariser package
Emulators
desi-like
Mock challenges
Neutrino masses
Blinding strategies
Forward Modelling
Survey systematics
Galaxy-Halo connection
ACM Plans
![](https://s3.amazonaws.com/media-p.slid.es/uploads/2225645/images/9847122/pasted-from-clipboard.png)
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Quintile autocorrelations
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Voids
Clusters
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Quintile-galaxy crosscorrelations
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614795/density_split_auto_ell0-1.png)
Voids
Clusters
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614858/density_split_cross_ell0-1.png)
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614871/density_split_cross_ell2-1.png)
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Fisher Information
Dark Matter halos Quijote Simulations
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/9947274/pasted-from-clipboard.png)
+ Galaxy-Halo connection
+ Cut-sky
+ Lightcone
+ Alcock-Paczinsky
+ Fiber collisions
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/9947316/pasted-from-clipboard.png)
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Forward Model
N-body simulations
Observations
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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
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614651/pasted-from-clipboard.png)
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614730/cosmo_inference_uchuu-1.png)
Different N-body Code +
Galaxy-Halo connection (SHAM)
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614733/whisker-1.png)
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![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614747/pasted-from-clipboard.png)
BOSS CMASS DR12
0.45 ≤ 𝑧 ≤ 0.6
![](https://s3.amazonaws.com/media-p.slid.es/uploads/993552/images/10614707/fs8-2-1.png)
EAS23
By carol cuesta
EAS23
- 162