Electronic Resource
Springer
Nonlinear differential equations and applications
1 (1994), S. 229-248
ISSN:
1420-9004
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract This is an exposition of some basic ideas in the realm of Global Inverse Function theorems. We address ourselves mainly to readers who are interested in the applications to Differential Equations. But we do not deal with those applications and we give a ‘self-contained” elementary exposition. The first part is devoted to the celebrated Hadamard-Caccioppoli theorem on proper local homeomorphisms treated in the framework of the Hausdorff spaces. In the proof, the concept of ‘ω-limit set’ is used in a crucial way and this is perhaps the novelty of our approach. In the second part we deal with open sets in Banach spaces. The concept of ‘attraction basin’ here is the main tool of our exposition which also shows a few recent results, here extended from finite dimensional to general Banach spaces, together with the classical theorem of Hadamard-Levy which assumes that the operator norm of the inverse of the derivative does not grow too fast (roughly at most linearly).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01197748
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