Geodesic
A Note on Locally Expansive and Locally Accretive Operators
Canadian mathematical bulletin, Tome 26 (1983) no. 2, pp. 228-232

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DOI

Let X be a Banach space, D an open subset of X and Y a complete metric space. Assume that Y is metrically convex. For closed, locally m-expansive and mapping open subsets of D onto open subsets of Y, is is shown that y ∊ T(D) if and only if there exists x 0 ∊ D such that d(Tx 0, y) ≤ d(Tx, y) for all x ≤ ∂D.
DOI : 10.4153/CMB-1983-036-5
Mots-clés : Primary 47H06, 47H15 
Torrejon, Ricardo. A Note on Locally Expansive and Locally Accretive Operators. Canadian mathematical bulletin, Tome 26 (1983) no. 2, pp. 228-232. doi: 10.4153/CMB-1983-036-5
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     title = {A {Note} on {Locally} {Expansive} and {Locally} {Accretive} {Operators}},
     journal = {Canadian mathematical bulletin},
     pages = {228--232},
     year = {1983},
     volume = {26},
     number = {2},
     doi = {10.4153/CMB-1983-036-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-036-5/}
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