“More or less" first-return recoverable functions.
Evans, M.J., Humke, P.D. (2003)
Acta Mathematica Universitatis Comenianae. New Series
Similarity:
Displaying similar documents to “Prevalence of some known typical properties.”
“More or less" first-return recoverable functions.
Pseudocompactness - from compactifications to multiplication of borel sets
Eliza Wajch (1992)
Colloquium Mathematicae
Similarity:
Fragmentability and σ-fragmentability
J. Jayne, I. Namioka, C. Rogers (1993)
Fundamenta Mathematicae
Similarity:
Recent work has studied the fragmentability and σ-fragmentability properties of Banach spaces. Here examples are given that justify the definitions that have been used. The fragmentability and σ-fragmentability properties of the spaces and , with Γ uncountable, are determined.
Null-families of subsets of monotonically normal compacta
J. Nikiel, L. Treybig (1996)
Colloquium Mathematicae
Similarity:
An abstract version of Sierpiński's theorem and the algebra generated by A and CA functions
J. Cichoń, Michał Morayne (1993)
Fundamenta Mathematicae
Similarity:
We give an abstract version of Sierpiński's theorem which says that the closure in the uniform convergence topology of the algebra spanned by the sums of lower and upper semicontinuous functions is the class of all Baire 1 functions. Later we show that a natural generalization of Sierpiński's result for the uniform closure of the space of all sums of A and CA functions is not true. Namely we show that the uniform closure of the space of all sums of A and CA functions is a proper subclass...
Small non-σ-porous sets in topologically complete metric spaces
L. ZajÍček (1998)
Colloquium Mathematicae
Similarity:
Derivative and antiderivative operators and the size of complex domains
Luis Bernal-González (1994)
Annales Polonici Mathematici
Similarity:
We prove some conditions on a complex sequence for the existence of universal functions with respect to sequences of certain derivative and antiderivative operators related to it. These operators are defined on the space of holomorphic functions in a complex domain. Conditions for the equicontinuity of those sequences are also studied. The conditions depend upon the size of the domain.
On the structure of the ultradistributions of Beurling type.
Manuel Valdivia (2008)
RACSAM
Similarity:
Some additive properties of special sets of reals
Ireneusz Recław (1991)
Colloquium Mathematicae
Similarity:
An elementary proof that almost all real numbers are normal.
Filip, Ferdinánd, Šustek, Jan (2010)
Acta Universitatis Sapientiae. Mathematica
Similarity:
Algebras of Borel measurable functions
Michał Morayne (1992)
Fundamenta Mathematicae
Similarity:
We determine the size levels for any function on the hyperspace of an arc as follows. Assume Z is a continuum and consider the following three conditions: 1) Z is a planar AR; 2) cut points of Z have component number two; 3) any true cyclic element of Z contains at most two cut points of Z. Then any size level for an arc satisfies 1)-3) and conversely, if Z satisfies 1)-3), then Z is a diameter level for some arc.