Geodesic
Ranks for baire multifunctions
Pandelis Dodos1
1 Department of Mathematics Faculty of Applied Sciences National Technical University of Athens Athens, Greece
Colloquium Mathematicum, Tome 95 (2003) no. 1, pp. 63-77.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

Various ordinal ranks for Baire-1 real-valued functions, which have been used in the literature, are adapted to provide ranks for Baire-1 multifunctions. A new rank is also introduced which, roughly speaking, gives an estimate of how far a Baire-1 multifunction is from being upper semicontinuous.
DOI : 10.4064/cm95-1-6
Mots-clés : various ordinal ranks baire real valued functions which have literature adapted provide ranks baire multifunctions rank introduced which roughly speaking gives estimate far baire multifunction being upper semicontinuous

Pandelis Dodos 1

1 Department of Mathematics Faculty of Applied Sciences National Technical University of Athens Athens, Greece 
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Pandelis Dodos. Ranks for baire multifunctions. Colloquium Mathematicum, Tome 95 (2003) no. 1, pp. 63-77. doi : 10.4064/cm95-1-6. https://geodesic-test.mathdoc.fr/articles/10.4064/cm95-1-6/

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