Abstract
We prove a new characterization of arbitrary (including nonlinear) open maps between pseudometrizable topological vector spaces. We use it to give a new proof that nonconstant analytic functions are open.
Citation
Qiang Lei. Ronglu Li. "A CHARACTERIZATION OF NONLINEAR OPEN MAPPINGS BETWEEN PSEUDOMETRIZABLE TOPOLOGICAL VECTOR SPACES." Taiwanese J. Math. 13 (3) 951 - 954, 2009. https://doi.org/10.11650/twjm/1500405450
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