nLab
E-infinity space

Definition

An $E_{\mathrm{\infty }}$-space is an E-∞ algebra in Top.

Properties

Grouplike $E_{\mathrm{\infty }}$-spaces are equivalently infinite loop spaces. See there for more details.

Related concepts

• model structure for dendroidal left fibrations

	(∞,1)-operad	∞-algebra	grouplike version	in Top	generally
	A-∞ operad	A-∞ algebra	∞-group	A-∞ space, e.g. loop space	loop space object
	E-k operad	E-k algebra	k-monoidal ∞-group	iterated loop space	iterated loop space object
	E-∞ operad	E-∞ algebra	abelian ∞-group	E-∞ space, if grouplike: infinite loop space $\simeq$ Γ-space	infinite loop space object
				$\simeq$ connective spectrum	$\simeq$ connective spectrum object
stabilization				spectrum	spectrum object

• looping and delooping, stabilization hypothesis