It is well known that isotopic metrics of positive scalar curvature are concordant. Whether or not the converse holds is an open question, at least in dimensions greater than four. The author shows that for a particular type of concordance, constructed using the surgery techniques of Gromov and Lawson, this converse holds in the case of closed simply connected manifolds of dimension at least five.
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Format PDF ● Pagini 80 ● ISBN 9781470405977 ● Editura American Mathematical Society ● Descărcabil 3 ori ● Valută EUR ● ID 6613168 ● Protecție împotriva copiilor Adobe DRM
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