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TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY
 

Summary: TRANSACTIONS OF THE
AMERICAN MATHEMATICAL SOCIETY
Volume 219, 1976
SIMPLICIALTRIANGULATION OF NONCOMBINATORIAL

MANIFOLDS OF DIMENSION LESS THAN 9

MARTIN SCHARLEMANN
ABSTRACT. Necessary and sufficient conditions are given for the sim-
plicial triangulation of all noncombinatorial manifolds in the dimension range
5 < n < 7, for which the integral Bockstein of the combinatorial triangulation
obstruction is trivial. A weaker theorem is proven in case n = 8.
The appendix contains a proof that a map between PL manifolds which
is a TOP fiber bundle can be made a PL fiber bundle.
0. Two of the oldest and most difficult problems arising in manifold
theory are the following:
(i) Is every manifold homeomorphic to a simplicial complex?
(ii) Is every simplicia1triangulation of a manifold combinatorial (i.e. must
the link of every simplex be a sphere)?
Among the consequences of the fundamental breakthrough of Kirby-

  

Source: Akhmedov, Azer - Department of Mathematics, University of California at Santa Barbara

 

Collections: Mathematics