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Nonmeasurable Sets and Functions, Volume 195 (Hardcover, New)
Loot Price: R4,877
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Nonmeasurable Sets and Functions, Volume 195 (Hardcover, New)
Series: North-Holland Mathematics Studies
Expected to ship within 10 - 15 working days
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The book is devoted to various constructions of sets which are
nonmeasurable with respect to invariant (more generally,
quasi-invariant) measures. Our starting point is the classical
Vitali theorem stating the existence of subsets of the real line
which are not measurable in the Lebesgue sense. This theorem
stimulated the development of the following interesting topics in
mathematics:
1. Paradoxical decompositions of sets in finite-dimensional
Euclidean spaces;
2. The theory of non-real-valued-measurable cardinals;
3. The theory of invariant (quasi-invariant)
extensions of invariant (quasi-invariant) measures.
These topics are under consideration in the book. The role of
nonmeasurable sets (functions) in point set theory and real
analysis is underlined and various classes of such sets (functions)
are investigated . Among them there are: Vitali sets, Bernstein
sets, Sierpinski sets, nontrivial solutions of the Cauchy
functional equation, absolutely nonmeasurable sets in uncountable
groups, absolutely nonmeasurable additive functions, thick uniform
subsets of the plane, small nonmeasurable sets, absolutely
negligible sets, etc. The importance of properties of nonmeasurable
sets for various aspects of the measure extension problem is shown.
It is also demonstrated that there are close relationships between
the existence of nonmeasurable sets and some deep questions of
axiomatic set theory, infinite combinatorics, set-theoretical
topology, general theory of commutative groups. Many open
attractive problems are formulated concerning nonmeasurable sets
and functions.
. highlights the importance of nonmeasurable sets (functions) for
general measure extension problem.
. Deep connections of the topic with set theory, real analysis,
infinite combinatorics, group theory and geometry of Euclidean
spaces shown and underlined.
. self-contained and accessible for a wide audience of potential
readers.
. Each chapter ends with exercises which provide valuable
additional information about nonmeasurable sets and
functions.
. Numerous open problems and questions."
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