A refined estimate for the topological degree

We sharpen an estimate of [4] for the topological degree of continuous maps from a sphere Sdinto itself in the case d >= 2. This provides the answer for d >= 2 to a question raised by Brezis. The problem is still open for d = 1. (C) 2017 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.


Published in:
Comptes Rendus Mathematique, 355, 1046-1049
Year:
2017
Publisher:
Paris, Elsevier
ISSN:
1631-073X
Laboratories:




 Record created 2017-10-09, last modified 2018-03-17

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