Geodesic
Multifibrations. A class of shape fibrations with the path lifting property
Czechoslovak Mathematical Journal, Tome 51 (2001) no. 1, pp. 29-38.

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In this paper we introduce a class of maps possessing a multivalued homotopy lifting property with respect to every topological space. We call these maps multifibrations and they represent a formally stronger concept than that of shape fibration. Multifibrations have the interesting property of being characterized in a completely intrinsic way by a path lifting property involving only the total and the base space of the fibration. We also show that multifibrations (and also, with some restrictions, shape fibrations) have a lifting property for homotopies of fine multivalued maps. This implies, when the spaces considered are metric compacta, that the possibility of lifting a fine multivalued map is a property of the corresponding strong shape morphism and not of the particular map considered.
Classification : 54C56, 55P55, 55R05
Keywords: shape fibration; multivalued map; path lifting property; strong shape 
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     author = {Giraldo, Antonio and Sanjurjo, Jose M. R.},
     title = {Multifibrations. {A} class of shape fibrations with the path lifting property},
     journal = {Czechoslovak Mathematical Journal},
     pages = {29--38},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2001},
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     zbl = {1079.55503},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2001__51_1_a2/}
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Giraldo, Antonio; Sanjurjo, Jose M. R. Multifibrations. A class of shape fibrations with the path lifting property. Czechoslovak Mathematical Journal, Tome 51 (2001) no. 1, pp. 29-38. http://geodesic.mathdoc.fr/item/CMJ_2001__51_1_a2/