Related posts: Spectra S1 vs S2: Feature Comparison Table.Is the Spectra S1 better than Spectra S2?.Can you sterilize pump parts in a bottle sterilizer?.How do you clean a Spectra breast pump?.Where can I buy Spectra pump parts and accessories?.Will the breast pump still work overseas or in another country?.Are the bottles supplied with the S1 And S2 BPA Free?.Does the milk go through the tubing like on other pumps?.Does insurance cover a Spectra breast pump?.How long does it take to charge Spectra S1?.What factors should you consider in choosing a breast pump?.Spectra S1 vs S2: Feature Comparison Table.Its monoidal structure is described in section 4. Jacob Lurie, Stable Infinity-Categories.The stable ( ∞, 1 ) (\infty,1)-category of spectra is described in chapter 1 of Orthogonal spectrum, model structure on orthogonal spectra Symmetric spectrum, model structure on symmetric spectra Model structure on spectra, symmetric monoidal smash product of spectra In particular there are symmetric monoidal model categories where the smash product of spectra is presented by an ordinary tensor product, so that A-∞ rings, E-∞ rings and ∞-modules are presented by 1-categorical monoid objects and module objects, respectively (“ brave new algebra”). There are several presentations of the ( ∞, 1 ) (\infty,1)-category of spectra by model categories of spectra. This is the content of the thick subcategory theorem. The prime spectrum of a monoidal stable (∞,1)-category for p-local and finite spectra is labeled by the Morava K-theories. In the context of (∞,1)-categories a spectrum is a spectrum object in the (∞,1)-category L whe Top * L_Top_*) with respect to this monoidal structure is a commutative ring spectrum ( Ab ) Ch_\bullet(Ab) of abelian groups.Sp ( ∞ Grpd ) Sp(\infty Grpd) plays a role in stable homotopy theory analogous to the role played by the 1- category Ab of abelian groups in homological algebra, or rather of the category of chain complexes Ch Indeed, it is the universal property stabilization of the ( ∞, 1 ) (\infty,1)-category ∞Grpd, equivalently of the simplicial localization of the category Top at the weak homotopy equivalences. The collection of spectra forms an (∞,1)-category Sp ( ∞ Grpd ) = Sp(\infty Grpd) = Spectra, which is in fact a stable (∞,1)-category. Equivalences in/ of ( ∞, 1 ) (\infty,1)-categories
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