| Title: | On the geometric characterization of differentiability. II. (English) | 
| Author: | Durdil, Jiří | 
| Language: | English | 
| Journal: | Commentationes Mathematicae Universitatis Carolinae | 
| ISSN: | 0010-2628 (print) | 
| ISSN: | 1213-7243 (online) | 
| Volume: | 15 | 
| Issue: | 4 | 
| Year: | 1974 | 
| Pages: | 727-744 | 
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| Category: | math | 
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| MSC: | 46G05 | 
| MSC: | 47H99 | 
| MSC: | 58C20 | 
| idZBL: | Zbl 0294.58003 | 
| idMR: | MR0426019 | 
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| Date available: | 2008-06-05T20:46:34Z | 
| Last updated: | 2012-04-27 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/105594 | 
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| Related article: | http://dml.cz/handle/10338.dmlcz/105575 | 
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| Reference: | [1] M. S. BAZARAA J. J. GOODE M. Z. NASHED: On the  cones of tangents with applications to mathematical programming.J. Opt. Th. Appl. 13 (1974), 389-426. MR 0366398 | 
| Reference: | [2] G. BOULIGAND: Introduction à la Géométire Infinitésimale Directe.Paris 1933. | 
| Reference: | [3] T. M. FLETT: Mathematical Analysis.New York 1966. Zbl 0177.07801, MR 0210836 | 
| Reference: | [4] T. M. FLETT: On differentiation in normed vector spaces.J. London Math. Soc. 42 (1967), 523-533. MR 0215093 | 
| Reference: | [5] M. Z. NASHED: Differentiability and related properties of nonlinear operators: Some aspects of the role of differentials ....in Nonlinear Functional Analysis and Applications (ed. by J. B. Rall), New York 1971. MR 0276840 | 
| Reference: | [6] E. L. ROETMAN: Tangent planes and differentiation.Math. Mag. 43 (1970), 1-7. Zbl 0193.01501, MR 0257290 | 
| Reference: | [7] H. A. THURSTON: On the definition of a tangent line.Amer. Math. Monthly 71 (1964), 1099-1103. MR 1533016 | 
| Reference: | [8] H. A. THURSTON: Tangents: an elementary survey.Math. Mag. 42 (l969), 1-11. MR 1571785 | 
| Reference: | [9] P. P. VARAIYA: Nonlinear programming in Banach space.SIAM J. Appl. Math. 15 (1967), 284-293. Zbl 0171.18004, MR 0218121 | 
| Reference: | [10] A. J. WARD: On Jordan curves possessing a tangent everywhere.Fund. Math. 28 (1937), 280- 288. | 
| Reference: | [11] J. DURDIL: On the geometric characterization of differentiability I.Comment. Math. Univ. Carol. 15 (1974), 521-540. Zbl 0289.58004, MR 0426019 | 
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