Personal information

Other IDs

Scopus Author ID: 6507809337
ResearcherID: J-8820-2017

Countries

Czech Republic

Activities

Collapse all

Employment (1)

Charles University, Faculty of Mathematics and Physics: Prague, CZ

(Department of Mathematical Analysis)
Employment
Source: Self-asserted source
Luděk Zajíček

Works (50 of 86)

Items per page:
Page 1 of 2

On the structure of sets with positive reach

Mathematische Nachrichten
2017 | Journal article
DOI: 10.1002/mana.201600237
EID:

2-s2.0-85008481901
Contributors: Rataj, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier

Differences of two semiconvex functions on the real line

Commentationes Mathematicae Universitatis Carolinae
2016 | Journal article
DOI: 10.14712/1213-7243.2015.153
EID:

2-s2.0-84963865475
Contributors: Kryštof, V.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier

Spaces of d.c. Mappings on Arbitrary Intervals

Journal of Convex Analysis
2016 | Journal article
WOSUID:

WOS:000392517300008
Contributors: Vesely, Libor; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

A criterion of-nullness and differentiability of convex and quasiconvex functions

Studia Mathematica
2015 | Journal article
DOI: 10.4064/sm227-2-5
EID:

2-s2.0-84941909308
Contributors: Tišer, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

HADAMARD DIFFERENTIABILITY VIA GATEAUX DIFFERENTIABILITY

Proceedings of the American Mathematical Society
2015 | Journal article
WOSUID:

WOS:000351490000029
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Properties of Hadamard Directional Derivatives: Denjoy-Young-Saks Theorem for Functions on Banach Spaces

Journal of Convex Analysis
2015 | Journal article
WOSUID:

WOS:000356125100009
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Smoothness via directional smoothness and Marchaud's theorem in Banach spaces

Journal of Mathematical Analysis and Applications
2015 | Journal article
DOI: 10.1016/j.jmaa.2014.09.068
EID:

2-s2.0-84923046355
Contributors: Johanis, M.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Gateaux and Hadamard Differentiability via Directional Differentiability

Journal of Convex Analysis
2014 | Journal article
WOSUID:

WOS:000342730400006
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

On stepanov Type differentiability Theorems

Acta Mathematica Hungarica
2014 | Journal article
DOI: 10.1007/s10474-014-0465-6
EID:

2-s2.0-84922078835
Contributors: Malý, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Remarks on fréchet differentiability of pointwise Lipschitz, cone-monotone and quasiconvex functions

Commentationes Mathematicae Universitatis Carolinae
2014 | Journal article
EID:

2-s2.0-84898478088
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier

A Lipschitz function which is C<sup>∞</sup> on a.e. line need not be generically differentiable

Colloquium Mathematicum
2013 | Journal article
DOI: 10.4064/cm131-1-3
EID:

2-s2.0-84879737508
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Curves in Banach spaces which allow a C1,BV parametrization or a parametrization with finite convexity

Czechoslovak Mathematical Journal
2013 | Journal article
DOI: 10.1007/s10587-013-0072-7
EID:

2-s2.0-84893913697
Contributors: Duda, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On differentiability of convex operators

Journal of Mathematical Analysis and Applications
2013 | Journal article
DOI: 10.1016/j.jmaa.2012.12.073
EID:

2-s2.0-84875378877
Contributors: Veselý, L.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Smallness of Singular Sets of Semiconvex Functions in Separable Banach Spaces

Journal of Convex Analysis
2013 | Journal article
WOSUID:

WOS:000322348200015
Contributors: Duda, Jakub; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

A joint generalization of Whitney's C 1 extension theorem and Aversa-Laczkovich-Preiss' extension theorem

Journal of Mathematical Analysis and Applications
2012 | Journal article
DOI: 10.1016/j.jmaa.2011.10.049
EID:

2-s2.0-84855357648
Contributors: Koc, M.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

CRITICAL VALUES AND LEVEL SETS OF DISTANCE FUNCTIONS IN RIEMANNIAN, ALEXANDROV AND MINKOWSKI SPACE

Houston Journal of Mathematics
2012 | Journal article
WOSUID:

WOS:000309169800008
Contributors: Rataj, Jan; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Generic Frechet Differentiability on Asplund Spaces via A.E. Strict Differentiability on Many Lines

Journal of Convex Analysis
2012 | Journal article
WOSUID:

WOS:000301551300002
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Singular points of order k of Clarke regular and arbitrary functions

Commentationes Mathematicae Universitatis Carolinae
2012 | Journal article
EID:

2-s2.0-84864053258
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier

Curves in Banach spaces which allow a C2-parameterization

Journal of the London Mathematical Society
2011 | Journal article
DOI: 10.1112/jlms/jdq100
EID:

2-s2.0-79957487757
Contributors: Duda, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Properties of distance functions on convex surfaces and applications

Czechoslovak Mathematical Journal
2011 | Journal article
DOI: 10.1007/s10587-011-0010-5
EID:

2-s2.0-79952747873
Contributors: Rataj, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

A note on propagation of semiconcave functions of two variables

Commentationes Mathematicae Universitatis Carolinae
2010 | Journal article
Source: Self-asserted source
Luděk Zajíček

On Extensions of DC Functions and Convex Functions

Journal of Convex Analysis
2010 | Journal article
WOSUID:

WOS:000279836100005
Contributors: Vesely, Libor; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

On Kantorovich's result on the symmetry of Dini derivatives

Commentationes Mathematicae Universitatis Carolinae
2010 | Journal article
Source: Self-asserted source
Luděk Zajíček

On vector-valued curves that allow a C<sup>1,α</sup> parametrization

Acta Mathematica Hungarica
2010 | Journal article
DOI: 10.1007/s10474-010-9094-x
EID:

2-s2.0-77951990179
Contributors: Duda, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On Compositions of DC Functions and Mappings

Journal of Convex Analysis
2009 | Journal article
WOSUID:

WOS:000270603500007
Contributors: Vesely, Libor; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Semiconvex Functions: Representations as Suprema of Smooth Functions and Extensions

Journal of Convex Analysis
2009 | Journal article
WOSUID:

WOS:000268197200013
Contributors: Duda, Jakub; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Differentiability of approximately convex, semiconcave and strongly paraconvex functions

Journal of Convex Analysis
2008 | Journal article
WOSUID:

WOS:000253913700001
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

On Lipschitz and D.C. surfaces of finite codimension in a Banach space

Czechoslovak Mathematical Journal
2008 | Journal article
DOI: 10.1007/s10587-008-0055-2
EID:

2-s2.0-67249103819
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On vector functions of bounded convexity

Mathematica Bohemica
2008 | Journal article
Source: Self-asserted source
Luděk Zajíček

Whitney arcs and 1-critical arcs

Fundamenta Mathematicae
2008 | Journal article
DOI: 10.4064/fm199-2-2
EID:

2-s2.0-45849092252
Contributors: Csörnyei, M.; Kalis, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

A C(1) function which is nowhere strongly paraconvex and nowhere semiconcave

Control and Cybernetics
2007 | Journal article
WOSUID:

WOS:000252349000020
Contributors: Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

A note on the Darboux property of Fréchet derivatives

Real Analysis Exchange
2007 | Journal article
Source: Self-asserted source
Luděk Zajíček

Curves in Banach spaces-differentiability via homeomorphisms

Rocky Mountain Journal of Mathematics
2007 | Journal article
DOI: 10.1216/rmjm/1194275931
EID:

2-s2.0-39349115479
Contributors: Duda, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On sets of non-differentiability of Lipschitz and convex functions

Mathematica Bohemica
2007 | Journal article
Source: Self-asserted source
Luděk Zajíček

On the directions of segments and r-dimensional balls on a convex surface

Journal of Convex Analysis
2007 | Journal article
WOSUID:

WOS:000245793100012
Contributors: Pavlica, David; Zajicek, Ludek
Source: Self-asserted source
Luděk Zajíček via ResearcherID

Quotients of continuous convex functions on nonreflexive Banach spaces

Bulletin of the Polish Academy of Sciences Mathematics
2007 | Journal article
Source: Self-asserted source
Luděk Zajíček

Morse-Sard theorem for d.c. functions and mappings on ℝ<sup>2</sup>

Indiana University Mathematics Journal
2006 | Journal article
DOI: 10.1512/iumj.2006.55.2774
EID:

2-s2.0-33747057351
Contributors: Pavlica, D.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On connections between delta-convex mappings and convex operators

Proceedings of the Edinburgh Mathematical Society
2006 | Journal article
DOI: 10.1017/S0013091505000040
EID:

2-s2.0-33846603075
Contributors: Veselý, L.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On differentiability properties of typical continuous functions and Haar null sets

Proceedings of the American Mathematical Society
2006 | Journal article
DOI: 10.1090/S0002-9939-05-08203-1
EID:

2-s2.0-33645794703
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

A remark on a theorem of Solecki

Commentationes Mathematicae Universitatis Carolinae
2005 | Journal article
Source: Self-asserted source
Luděk Zajíček

Extensions of real and vector functions of one variable which preserve differentiability

Real Analysis Exchange
2005 | Journal article
Source: Self-asserted source
Luděk Zajíček

Inscribing closed non-σ-lower porous sets into Suslin non-σ-lower porous sets

Abstract and Applied Analysis
2005 | Journal article
DOI: 10.1155/AAA.2005.221
EID:

2-s2.0-33746857313
Contributors: Zajíček, L.; Zelený, M.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

Inscribing compact non-sigma-porous sets into analytic non-sigma-porous sets

Fundamenta Mathematicae
2005 | Journal article
DOI: 10.4064/fm185-1-2
WOSUID:

WOS:000232526700002
Contributors: Zeleny, M; Zajicek, L
Source: Self-asserted source
Luděk Zajíček via ResearcherID

On σ-porous sets in abstract spaces

Abstract and Applied Analysis
2005 | Journal article
DOI: 10.1155/AAA.2005.509
EID:

2-s2.0-33747191114
Contributors: Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

The Banach-Zarecki theorem for functions with values in metric spaces

Proceedings of the American Mathematical Society
2005 | Journal article
DOI: 10.1090/S0002-9939-05-07959-1
EID:

2-s2.0-29144434467
Contributors: Duda, J.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier

Gateaux differentiability of Lipschitz functions via directional derivatives

Real Analysis Exchange
2003 | Journal article
Source: Self-asserted source
Luděk Zajíček

On d.c. functions and mappings

Atti del Seminario Matematico e Fisico dell'Università di Modena
2003 | Journal article
Source: Self-asserted source
Luděk Zajíček

On the complexity of some sigma-ideals of sigma-P-porous sets

Commentationes Mathematicae Universitatis Carolinae
2003 | Journal article
Source: Self-asserted source
Luděk Zajíček

Porosity, σ-porosity and measures

Nonlinearity
2003 | Journal article
DOI: 10.1088/0951-7715/16/1/315
EID:

2-s2.0-0242371110
Contributors: Mera, M.E.; Morán, M.; Preiss, D.; Zajíček, L.
Source: Self-asserted source
Luděk Zajíček via Scopus - Elsevier
grade
Preferred source (of 2)‎

On d.c. mappings and differences of convex operators

Acta Universitatis Carolinae. Mathematica et Physica
2001 | Journal article
Source: Self-asserted source
Luděk Zajíček
Items per page:
Page 1 of 2
How many people are using ORCID?