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46G05 Derivatives (74 articles)

• Zajíček, Luděk: Fréchet differentiability via partial Fréchet differentiability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 2, pp. 185-207
• Dymond, Michael: On the structure of universal differentiability sets. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 3, pp. 315-326
• Khurana, Surjit Singh: Radon-Nikodym property. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 58 (2017), issue 4, pp. 461-464
• Zajíček, Luděk: Remarks on Fréchet differentiability of pointwise Lipschitz, cone-monotone and quasiconvex functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 55 (2014), issue 2, pp. 203-213
• Kawasaki, Toshiharu: Denjoy integral and Henstock-Kurzweil integral in vector lattices. I. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 2, pp. 381-399
• Kawasaki, Toshiharu: Denjoy integral and Henstock-Kurzweil integral in vector lattices. II. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 2, pp. 401-417
• Zajíček, Luděk: On sets of non-differentiability of Lipschitz and convex functions. (English). Mathematica Bohemica, vol. 132 (2007), issue 1, pp. 75-85
• Ferrer, Jesús: A polynomial of degree four not satisfying Rolle’s Theorem in the unit ball of $l_2$. (English). Czechoslovak Mathematical Journal, vol. 55 (2005), issue 2, pp. 499-501
• Zelený, Miroslav: An example of a $\Cal C^{1,1}$ function, which is not a d.c. function. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 1, pp. 149-154
• Moors, Warren B.; Somasundaram, Sivajah: Some recent results concerning weak Asplund spaces. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 43 (2002), issue 2, pp. 67-86
• Jelínek, Jiří: An intrinsic definition of the Colombeau generalized functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 1, pp. 71-95
• Zajíček, Luděk: A note on intermediate differentiability of Lipschitz functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 4, pp. 795-799
• Matsuda, Minoru: A remark on localized weak precompactness in Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 2, pp. 271-276
• Holický, P.; Šmídek, M.; Zajíček, L.: Convex functions with non-Borel set of Gâteaux differentiability points. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 3, pp. 469-482
• Idczak, Dariusz: Distributional derivatives of functions of two variables of finite variation and their application to an impulsive hyperbolic equation. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 1, pp. 145-171
• Lávička, Roman: The Lévy laplacian and differential operators of 2-nd order in Hilbert spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 1, pp. 115-135
• Herzog, Gerd: On Lipschitz conditions for ordinary differential equations in Fréchet spaces. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 1, pp. 95-103
• Matoušková, Eva; Zajíček, Luděk: Second order differentiability and Lipschitz smooth points of convex functionals. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 617-640
• Bongiorno, Donatella: Stepanoff's theorem in separable Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 2, pp. 323-335
• Zajíček, Luděk: On differentiability properties of Lipschitz functions on a Banach space with a Lipschitz uniformly Gâteaux differentiable bump function. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 2, pp. 329-336
• Zajíček, L.: Supergeneric results and Gateâux differentiability of convex and Lipschitz functions on small sets. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 38 (1997), issue 2, pp. 19-37
• Giles, J. R.; Sciffer, Scott: Fréchet directional differentiability and Fréchet differentiability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 37 (1996), issue 3, pp. 489-497
• Tang, Wee-Kee: On Fréchet differentiability of convex functions on Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 36 (1995), issue 2, pp. 249-253
• Cap, Andreas; Schichl, Hermann: Characteristic classes for $A$-bundles. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1996. pp. [57]-71
• Yost, D.: Asplund spaces for beginners. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 34 (1993), issue 2, pp. 159-177
• Zajíček, L.: A note on singular points of convex functions in Banach spaces. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 34 (1993), issue 2, pp. 179-185
• Matoušková, E.: One counterexample concerning the Fréchet differentiability of convex functions on closed sets. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 34 (1993), issue 2, pp. 97-105
• Kolomý, Josef: A note on Banach spaces and sub differentials of convex functions. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 33 (1992), issue 2, pp. 73-83
• Argyros, Ioannis K.: On an application of a Newton-like method to the approximation of implicit functions. (English). Mathematica Slovaca, vol. 42 (1992), issue 3, pp. 339-347
• Zajíček, Luděk: Fréchet differentiability, strict differentiability and subdifferentiability. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 3, pp. 471-489
• Tarba, L.; Stará, J.: On the behaviour of solutions to the nonlinear elliptic Neumann problem in unbounded domains. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 723-729
• Zajíček, Luděk: Smallness of sets of nondifferentiability of convex functions in non-separable Banach spaces. (English). Czechoslovak Mathematical Journal, vol. 41 (1991), issue 2, pp. 288-296
• Kopecká, Eva; Malý, Jan: Remarks on delta-convex functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 3, pp. 501-510
• Bogachev, V. I.: Smooth measures, the Malliavin calculus and approximations in infinitedimensional spaces. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 31 (1990), issue 2, pp. 9-23
• Fabian, M.: Sub differentiability and trustworthiness in the light of a new variational principle of Borwein and Preiss. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 30 (1989), issue 2, pp. 51-56
• Fabián, Marián J.; Preiss, David: A generalization of the interior mapping theorem of Clarke and Pourciau. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 311-324
• Zajíček, L.: Strict differentiability via differentiability. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 28 (1987), issue 2, pp. 157-159
• Durdil, J.: On strong continuity of derivatives of mappings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 27 (1986), issue 1, pp. 17-27
• Veselý, Libor: On the multiplicity points of monotone operators on separable Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 3, pp. 551-570
• Turinici, Mihai: Support results via exceptional sets in Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 2, pp. 293-299
• Kolomý, Josef: Compactness and weak compactness of gradient maps. (English). In: Frolík, Z., Souček, V. and Vinárek, J. (eds.): Proceedings of the 13th Winter School on Abstract Analysis. Section of Analysis. Circolo Matematico di Palermo, Palermo, 1985. pp. [75]-78
• Spakowski, Andrzej: On De Blasi's differentiation theory for multifunctions. (English). Časopis pro pěstování matematiky, vol. 110 (1985), issue 3, pp. 270-273
• Le Van Hot: On the open mapping principle and convex multivalued mappings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 26 (1985), issue 1, pp. 53-59
• Zajíček, L.: On the Fréchet differentiability of distance functions. (English). In: Frolík, Z. (ed.): Proceedings of the 12th Winter School on Abstract Analysis. Section of Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [161]-165
• Zajíček, L.: A generalization of an Ekeland-Lebourg theorem and the differentiability of distance functions. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 11th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [403]-410
• Zajíček, Luděk: A note on partial derivatives of convex functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 1, pp. 89-91
• Preiss, D.; Zajíček, L.: Stronger estimates of smallness of sets of Frechet nondifferentiability of convex functions. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 11th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1984. pp. [219]-223
• Le Van Hot: Generic differentiability of mappings and convex functions in Banach and locally convex spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 2, pp. 207-232
• Preiss, David: Gâteaux differentiable functions are somewhere Fréchet differentiable. (English). In: Frolík, Zdeněk (ed.): Proceedings of the 10th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1982. pp. [217]-222
• Le Van Hot: On conability of singlevalued mappings. (English). Časopis pro pěstování matematiky, vol. 107 (1982), issue 3, pp. 273-288
• Fabian, Marián: Theory of Fréchet cones. (English). Časopis pro pěstování matematiky, vol. 107 (1982), issue 1, pp. 37-58
• Jokl, Luděk: An application of the Hahn-Banach theorem in convex analysis. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 4, pp. 799-807
• Mišík, Ladislav: Maximal additive and maximal multiplicative family for the family of $\scr B$-Darboux Baire one functions. (English). Mathematica Slovaca, vol. 31 (1981), issue 4, pp. 405-415
• Le Van Hot: On the differentiability of multivalued mappings. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 2, pp. 267-280
• Le Van Hot: On the differentiability of multivalued mappings. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 2, pp. 337-350
• Le Van Hot: On the embedding theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 777-794
• Fabián, Marián J.: Concerning a geometrical characterization of Fréchet differentiability. (English). Časopis pro pěstování matematiky, vol. 104 (1979), issue 1, pp. 45-64
• Fabián, Marián J.: Concerning interior mapping theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 2, pp. 345-356
• Zahradník, M.: A note on measurability of trajectories of a stochastic process. (English). In: Frolík, Z. (ed.): Abstracta. 7th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1979. pp. 100-103
• Zajíček, Luděk: On the differentiation of convex functions in finite and infinite dimensional spaces. (English). Czechoslovak Mathematical Journal, vol. 29 (1979), issue 3, pp. 340-348
• Whitfield, J. H. M.: Rough and strongly rough norms on Banach spaces. (English). In: Frolík, Z. (ed.): Abstracta. 7th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1979. pp. 95-99
• John, Kamil; Zizler, Václav E.: On rough norms on Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 2, pp. 335-349
• Phelps, R. R.: Problems concerning weak Asplund spaces. (English). In: Frolík, Z. (ed.): Abstracta. 6th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1978. pp. 71-73
• Fabian, M.: Theory of Frechet cones and nonlinear analysis. (English). In: Frolík, Z. (ed.): Abstracta. 6th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1978. pp. 25-27
• Daneš, Josef; Durdil, Jiří: A note on geometric characterization of Fréchet differentiability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 1, pp. 195-204
• Zajíček, L.: On the differentiation of convex functions. (English). In: Frolík, Z. (ed.): Abstracta. 4th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1976. pp. 159
• Durdil, J.: On the geometric characterization of differentiability. (English). In: Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976. Part B: Contributed Papers. Society of Czechoslovak Mathematicians and Physicist, Praha, 1977. pp. 113-115
• Musiał, K.: The weak Radon-Nikodym property in Banach spaces. (English). In: Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976. Part B: Contributed Papers. Society of Czechoslovak Mathematicians and Physicist, Praha, 1977. pp. [308]-310
• Ho Duc Viet: Remarks on subdifferentials of convex functionals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 4, pp. 641-661
• Durdil, Jiří: On the geometric characterization of differentiability. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 3, pp. 521-540
• Durdil, Jiří: On the geometric characterization of differentiability. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 4, pp. 727-744
• Durdil, Jiří: On Hadamard differentiability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 3, pp. 457-470
• Fučík, Svatopluk; Nečas, Jindřich; Souček, Jiří; Souček, Vladimír: Upper bound for the number of eigenvalues for nonlinear operators (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 1, pp. 191-195
• Kolomý, Josef: Some remarks on nonlinear functionals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 11 (1970), issue 4, pp. 693-704