The existence of probability measures with specified projections |
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Authors: | V N Sudakov |
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Institution: | (1) Leningrad Branch, V. A. Steklov Mathematical Institute, Academy of Sciences of the USSR, USSR |
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Abstract: | Let X and Y be locally compact-compact topological spaces, F X×Y is closed, and P(F) is the set of all Borel probability measures on F. For us to find, for the pair of probability measures (x, y P (X)×P(Y), a probability measure P(F) such that
X
=
X
–1
,
Y
=
Y
–1
it is necessary and sufficient that, for any pair of Borel sets A X, B Y for which (A× B) F=Ø, the condition
XA+
YB 1 holds.Translated from Matematicheskie Zametki, Vol. 14, No. 4, pp. 573–576, October, 1973. |
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Keywords: | |
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