research article
Normal and conormal maps in homotopy theory
Let M be a monoidal category endowed with a distinguished class of weak equivalences and with appropriately compatible classifying bundles for monoids and comonoids. We define and study homotopy-invariant notions of normality for maps of monoids and of conormality for maps of comonoids inM. These notions generalize both principal bundles and crossed modules and are preserved by nice enough monoidal functors, such as the normalized chain complex functor. We provide several explicit classes of examples of homotopynormal and of homotopy-conormal maps, when M is the category of simplicial sets or the category of chain complexes over a commutative ring.
Type
research article
Web of Science ID
WOS:000306939500005
Author(s)
Farjoun, Emmanuel D.
Date Issued
2012
Publisher
Published in
Volume
14
Issue
1
Start page
79
End page
112
Editorial or Peer reviewed
REVIEWED
Written at
EPFL
EPFL units
Available on Infoscience
October 30, 2012
Use this identifier to reference this record