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  • Homotopy classification of ▫$PD_4$▫-complexes relative an order relation
    Hegenbarth, Friedrich, 1940- ; Pamuk, Mehmetcik ; Repovš, Dušan, 1954-
    We define an order relation among oriented ▫$PD_4$▫-complexes. We show that with respect to this relation, two ▫$PD_4$▫-complexes over the same complex are homotopy equivalent if and only if there is ... an isometry between the second homology groups. We also consider minimal objects of this relation.
    Vir: Monatshefte für Mathematik. - ISSN 0026-9255 (Vol. 177, iss. 2, 2015, str. 275-293)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2015
    Jezik - angleški
    COBISS.SI-ID - 17194329

vir: Monatshefte für Mathematik. - ISSN 0026-9255 (Vol. 177, iss. 2, 2015, str. 275-293)
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