Rendiconti del Seminario Matematico della Università di Padova
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Published online: 2012-12-17
On the Components of the Push-out Space with Certain IndicesYusuf Kaya (1) Bülent Ecevit University, Zonguldak, Turkey
Given an immersion of a connected, $m$-dimensional manifold $M$ withoutboundary into the Euclidean $(m+k)$-dimensional space, the idea of the push-out space of the immersion under the assumption that immersion has flatnormal bundle is introduced in . It is known that the push-out space has finitely many path-connected components and eachpath-connected component can be assigned an integer called the index of thecomponent. In this study, when $M$ is compact, we give some new results onthe push-out space. Especially it is proved that if the push-out space has a component with index $1$, then the Euler number of $M$ is $0$and if the immersion has a co-dimension $2$, then the number of pathconnected components of the push-out space with index $(m-1)$ is at most 2.
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Kaya Yusuf: On the Components of the Push-out Space with Certain Indices. Rend. Sem. Mat. Univ. Padova 127 (2012), 1-16. doi: 10.4171/RSMUP/127-1