Title:
|
On the points of non-differentiability of convex functions (English) |
Author:
|
Pavlica, David |
Language:
|
English |
Journal:
|
Commentationes Mathematicae Universitatis Carolinae |
ISSN:
|
0010-2628 (print) |
ISSN:
|
1213-7243 (online) |
Volume:
|
45 |
Issue:
|
4 |
Year:
|
2004 |
Pages:
|
727-734 |
. |
Category:
|
math |
. |
Summary:
|
We characterize sets of non-differentiability points of convex functions on $\Bbb R^n$. This completes (in $\Bbb R^n$) the result by Zajíček [2] which gives a characterization of the magnitude of these sets. (English) |
Keyword:
|
differentiability |
Keyword:
|
convex functions |
MSC:
|
26B05 |
MSC:
|
26B25 |
MSC:
|
49J50 |
MSC:
|
49J52 |
idZBL:
|
Zbl 1100.26006 |
idMR:
|
MR2103086 |
. |
Date available:
|
2009-05-05T16:48:37Z |
Last updated:
|
2012-04-30 |
Stable URL:
|
http://hdl.handle.net/10338.dmlcz/119496 |
. |
Reference:
|
[1] Rockafellar R.T.: Convex Analysis.Princeton University Press (1970). Zbl 0193.18401, MR 0274683 |
Reference:
|
[2] Zajíček L.: On the differentiability of convex functions in finite and infinite dimensional spaces.Czechoslovak Math. J. 29 (104) (1979), 340-348. MR 0536060 |
. |