Hess, KathrynParent, Paul-Eugène2008-11-142008-11-142008-11-14200210.1090/S0002-9947-02-03049-0https://infoscience.epfl.ch/handle/20.500.14299/30921WOS:000178078900015342cellular spacequadratic formWitt groupQuillenmodelEmergence of the Witt group in the cellular lattice of rational spacestext::journal::journal article::research article