S-4-16 Surgery for multiple arteriosclerotic obstructions
نویسندگان
چکیده
منابع مشابه
Classical Obstructions and S-algebras
Classical obstruction theory can be applied to the problem of finding an S-algebra structure, or a commutative S-algebra structure, on a ring spectrum. It is shown that there is no obstruction to upgrading the homotopy unit in the ring spectrum to a strict unit in the S-algebra.
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paper we answer the analogous questions (i) (iii) about the image ch(~,w) of C h in LP(~,w). These groups are the geometric surgery n n n obstruction groups of Maumary [M] or Taylor IT] ; algebraically they are L-groups of quadratic forms on projective (instead of free) Z~ modules [RI]. The appropriate version of (ii) is then to ask for i 1 invariants detecting o(f x id) where f x id: M x S ÷ N...
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ژورنال
عنوان ژورنال: Japanese Journal of Cardiovascular Surgery
سال: 1983
ISSN: 1883-4108,0285-1474
DOI: 10.4326/jjcvs.12.297