Abstract:We show that the openness of the idempotent barycenter map is equivalent to the openness of the map of Max-Plus convex combination. As corollary we obtain that the idempotent barycenter map is open for the spaces of idempotent measures.2010 Mathematics Subject Classification. 52A30; 54C10; 28A33. Key words and phrases. open map; idempotent (Maslov) measure; idempotent barycenter map.
“…In this section we investigate the map β IX : I 2 X → IX for a metrizable compactum X. It was proved in [14] that β IX : I 2 X → IX is open for each compactum X.…”
Section: The Main Results For Compacta IXmentioning
confidence: 99%
“…The set of extremal points of a max-plus convex compactum X we denote by E(X). It is proved in [14] that the set E(X) is closed if the idempotent barycenter map is open.…”
Section: The Main Results For Compacta IXmentioning
confidence: 99%
“…compact convex sets for which the barycentre map is open) is again barycentrically open. It was shown in [14] that analogous statements for idempotent measures are false.…”
Section: Introductionmentioning
confidence: 99%
“…]) are absolute retracts. Since the map β [0,1] is open [14], β [0,1] is soft (Corollary 4.2 in [17]). The the maps b 0 and b 1 are soft too being restrictions of β [0,1] to complete preimages.…”
“…In this section we investigate the map β IX : I 2 X → IX for a metrizable compactum X. It was proved in [14] that β IX : I 2 X → IX is open for each compactum X.…”
Section: The Main Results For Compacta IXmentioning
confidence: 99%
“…The set of extremal points of a max-plus convex compactum X we denote by E(X). It is proved in [14] that the set E(X) is closed if the idempotent barycenter map is open.…”
Section: The Main Results For Compacta IXmentioning
confidence: 99%
“…compact convex sets for which the barycentre map is open) is again barycentrically open. It was shown in [14] that analogous statements for idempotent measures are false.…”
Section: Introductionmentioning
confidence: 99%
“…]) are absolute retracts. Since the map β [0,1] is open [14], β [0,1] is soft (Corollary 4.2 in [17]). The the maps b 0 and b 1 are soft too being restrictions of β [0,1] to complete preimages.…”
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