Press–Schechter formalism

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:cosmology gptkb:logic
gptkbp:assumes	Gaussian random field of density fluctuations spherical collapse model
gptkbp:author	Press, W. H.; Schechter, P.
gptkbp:basisFor	cluster abundance predictions galaxy formation models halo mass function
gptkbp:citation	gptkb:Astrophysical_Journal gptkb:Formation_of_Galaxies_and_Clusters_of_Galaxies_by_Self-Similar_Gravitational_Condensation 1974
gptkbp:citationPages	425–438
gptkbp:citationVolume	187
gptkbp:describes	mass function of collapsed objects
gptkbp:field	gptkb:cosmology
https://www.w3.org/2000/01/rdf-schema#label	Press–Schechter formalism
gptkbp:influenced	gptkb:Sheth–Tormen_model
gptkbp:limitation	assumes spherical symmetry ignores non-linear effects overpredicts low-mass halos
gptkbp:proposedBy	gptkb:Paul_Schechter gptkb:William_H._Press 1974
gptkbp:publishedIn	gptkb:Astrophysical_Journal
gptkbp:relatedTo	gptkb:cosmology structure formation
gptkbp:usedFor	predicting number density of dark matter halos
gptkbp:bfsParent	gptkb:William_H._Press
gptkbp:bfsLayer	6