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For a regular ring R and an affine monoid M the homotheties of M act nilpotently on the Milnor unstable groups of R[M ]. This strengthens the K2 part of the main result of [G5] in two ways: the coefficient field of characteristic 0 is extended to any regular ring and the stableK2-group is substituted by the unstable ones. The proof is based on a polyhedral/combinatorial techniques, computations...
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ژورنال
عنوان ژورنال: Journal of the Australian Mathematical Society
سال: 2003
ISSN: 1446-7887,1446-8107
DOI: 10.1017/s1446788700003335