Found 58 Documents (Results 1–58)
Itinerary lemma for some classes of discontinuous functions. (English) Zbl 1106.26005
Reviewer: Tomasz Natkaniec (Gdańsk)
On first return path systems. (English) Zbl 1102.26004
The \(\mathcal I\)-almost constant convergence of sequences of real functions. (English) Zbl 1105.26300
Separately continuous functions of many variables on the product of spaces that are products of metrizable spaces. (Ukrainian) Zbl 1097.54022
Ukrainian mathematical congress–2001, Kiev, Ukraine, August 21–23, 2001. Proceedings. Section 12. Topology and geometry. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-0000-0). 64-69 (2003).
“More or less” first-return recoverable functions. (English) Zbl 1088.26002
Reviewer: Ján Borsík (Košice )
On a class of densities of sets of positive integers. (English) Zbl 1087.11006
Reviewer: Milan Paštéka (Trnava )
On a theorem of Holický and Zelený concerning Borel maps without \(\sigma \)-compact fibers. (English) Zbl 1080.54511
Lebesgue-Čech dimensionality and Baire classification of vector-valued separately continuous mappings. (Ukrainian, English) Zbl 1080.46020
Ukr. Mat. Zh. 55, No. 11, 1576-1579 (2003); translation in Ukr. Math. J. 55, No. 11, 1894-1898 (2003).
MSC:
46E40
Baire functions and spaces of Baire functions. (Russian. English summary) Zbl 1073.54011
Fundam. Prikl. Mat. 9, No. 4, 3-39 (2003); translation in J. Math. Sci., New York 136, No. 5, 4131-4155 (2006).
Reviewer: Alexander E. Guterman (Moskva)
Lebesgue classification of multi-valued mappings of two variables. (Ukrainian. English summary) Zbl 1066.54021
Continuity of functions with continuous narrowing. (Ukrainian. English summary) Zbl 1065.54009
How can we recover Baire class one functions? (English) Zbl 1078.26005
Reviewer: Pavel Kostyrko (Bratislava)
Generic power convergence of nonlinear operators in Banach spaces. (English) Zbl 1091.47054
Cho, Yeol Je (ed.) et al., Fixed point theory and applications. Vol. 4. Papers from the 7th international conference on nonlinear functional analysis and applications, Gyeongsang National University, Chinju, Korea and at Kyungnam University, Masan, Korea, August 6–10, 2001. Hauppauge, NY: Nova Science Publishers (ISBN 1-59033-853-7/hbk). 35-49 (2003).
Reviewer: Satit Saejung (Khon Kaen)
Survey of the Steinhaus tiling problem. (English) Zbl 1070.52008
Reviewer: Charles Leytem (Cruchten)
A note on \(\mathcal I\)-density continuous functions. (English) Zbl 1067.26003
Reviewer: Tomasz Natkaniec (Gdańsk)
The Matkowski-Sutô problem for weighted quasi-arithmetic means. (English) Zbl 1052.39018
Reviewer: Gyula Maksa (Debrecen)
On the difference property of the family of functions with the Baire property. (English) Zbl 1053.26004
Reviewer: Zoltán Boros (Debrecen)
Functions of Baire class one. (English) Zbl 1056.26002
Sharkovskiĭ’s theorem holds for some discontinuous functions. (English) Zbl 1070.26004
Reviewer: Tomasz Natkaniec (Gdańsk)
Consistent recovery and polygonal approximation of functions. (English) Zbl 1050.26003
Reviewer: Zbigniew Grande (Bydgoszcz)
On a problem of Leiderman. (English) Zbl 1046.26003
On the sums of unilaterally approximately continuous and approximate jump functions. (English) Zbl 1061.26004
Reviewer: Jerzy Niewiarowski (Łódź)
The quasicontinuity of delta-fine functions. (English) Zbl 1050.26002
Reviewer: Zbigniew Grande (Bydgoszcz)
A note on algebraic sums of subsets of the real line. (English) Zbl 1052.28001
Reviewer: Tomasz Natkaniec (Gdańsk)
The \(\mathcal I\)-almost constant convergence of sequences of real functions. (English) Zbl 1046.26001
Maximal classes for the family of strong Świątkowski functions. (English) Zbl 1047.26003
Reviewer: Ryszard Pawlak (Łódź)
A type of path derivative. (English) Zbl 1061.26008
Reviewer: Władysław Wilczyński (Łódź)
Products of bounded Darboux and almost continuous functions. (English) Zbl 1049.26001
Reviewer: Tomasz Natkaniec (Gdańsk)
Ideals of compact sets associated with Borel functions. (English) Zbl 1053.54042
Reviewer: Jörg D. Brendle (Kobe)
On the sets of continuity points of Darboux quasicontinuous functions. (English) Zbl 1052.26002
Reviewer: Pavel Kostyrko (Bratislava)
Baire one functions. (English) Zbl 1044.26002
Reviewer: Zbigniew Grande (Bydgoszcz)
Construction of separately continuous functions with given restriction. (English. Ukrainian original) Zbl 1037.54015
Ukr. Math. J. 55, No. 5, 866-872 (2003); translation from Ukr. Mat. Zh. 55, No. 5, 716-721 (2003).
Reviewer: A. N. Kochubei (Kyïv)
MSC:
54C30
Descriptive set theory and Banach spaces. (English) Zbl 1121.46008
Johnson, W.B. (ed.) et al., Handbook of the geometry of Banach spaces. Volume 2. Amsterdam: North-Holland (ISBN 0-444-51305-1/hbk). 1007-1069 (2003).
Reviewer: Dirk Werner (Berlin)
On common fixed points, periodic points, and recurrent points of continuous functions. (English) Zbl 1037.54018
Reviewer: Janusz J. Charatonik (México)
A solution of a problem by M. Henriksen and R.G. Woods. (English) Zbl 1035.54009
Reviewer: Tomasz Natkaniec (Gdańsk)
Choice principles for special subsets of the real line. (English) Zbl 1046.03029
Reviewer: Benedikt Löwe (Amsterdam)
Ordinal indices and \(\ell^1\)-spreading models. (English) Zbl 1038.46006
Kamińska, Anna (ed.), Trends in Banach spaces and operator theory. A conference on trends in Banach spaces and operator theory, Memphis, TN, USA, October 5–9, 2001. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3234-4/pbk). Contemp. Math. 321, 125-138 (2003).
Reviewer: Edward W. Odell (Austin)
A Baire’s category method for the Dirichlet problem of quasiregular mappings. (English) Zbl 1029.30015
Reviewer: Bodo Dittmar (Halle)
\(\alpha\)-Specker spaces. (English) Zbl 1030.54009
Reviewer: Peter T.Johnstone (Cambridge)
On approximation of affine Baire-one functions. (English) Zbl 1031.35011
Reviewer: S.J.Gardiner (Dublin)
Borel measurability of separately continuous functions. (English) Zbl 1017.54010
Reviewer: Kiyoshi Iseki (Osaka)
Infinite approximate Peano derivatives. (English) Zbl 1023.26005
Reviewer: Pavel Kostyrko (Bratislava)
Transfinite sequences of continuous and Baire class 1 functions. (English) Zbl 1017.26004
Reviewer: Zbigniew Grande (Bydgoszcz)
On functions whose graph is a Hamel basis. (English) Zbl 1012.15001
Reviewer: Václav Burjan (Praha)
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