The author constructed a spectral sequence strongly converging to
h*(ΩnΣn X) for any homology
theory in [Topology 33 (1994) 631–662]. In this note, we prove
that the E1-term of the spectral sequence is isomorphic to
the cobar construction, and hence the spectral sequence is isomorphic
to the classical cobar-type Eilenberg--Moore spectral sequence based on
the geometric cobar construction from the E1-term. Similar
arguments can be also applied to its variants constructed in [Contemp
Math 293 (2002) 299–329].
Keywords
Eilenberg–Moore spectral sequence,
little cubes operad, cobar construction