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Four-Manifolds With Surface Fundamental Groups |
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| Authors: | Alberto Cavicchioli Friedrich Hegenbarth Dusan Repovs |
| Institution: | Dipartimento di Matematica, Università di Modena, Via Campi 213/B, 41100 Modena, Italy ; Dipartimento di Matematica, Università di Milano, Via Saldini 50, 20133 Milano, Italy ; Institute for Mathematics, Physics and Mechanics, University of Ljubljana, P. O. Box 64, Ljubljana 61111, Slovenia |
| Abstract: | We study the homotopy type of closed connected topological  -manifolds whose fundamental group is that of an aspherical surface  . Then we use surgery theory to show that these manifolds are  -cobordant to connected sums of simply-connected manifolds with an  -bundle over  . |
| Keywords: | Four-manifolds homotopy type $s$-cobordism surgery surface fundamental groups |
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