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## Main Question or Discussion Point

to those experts in the field of cosmology

i was wondering if " large scale structures can be formed in stable cosmological models"

or should i say that " large scale structures cannot be formed in those cosmological models that are stable with respect to gravitational or other curvature perturbations like the Einstein static universe model "

i was wondering if " large scale structures can be formed in stable cosmological models"

or should i say that " large scale structures cannot be formed in those cosmological models that are stable with respect to gravitational or other curvature perturbations like the Einstein static universe model "