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词条 G-measure
释义

  1. History

  2. References

  3. External links

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In mathematics, a G-measure is a measure that can be represented as the weak-∗ limit of a sequence of measurable functions . A classic example is the Riesz product

where . The weak-∗ limit of this product is a measure on the circle , in the sense that for :

where represents Haar measure.

History

It was Keane[1] who first showed that Riesz products can be regarded as strong mixing invariant measure under the shift operator . These were later generalized by Brown and Dooley [2] to Riesz products of the form

where .

References

1. ^{{cite journal | last1=Keane | first1=M. | title=Strongly mixing g-measures | year=1972 | journal= Invent. Math. | volume=16 | issue=4 | pages=309–324 | doi=10.1007/bf01425715}}
2. ^{{cite journal | first1=G. | last1=Brown | first2=A. H. |last2=Dooley | title=Odometer actions on G-measures.| journal=Ergodic Theory and Dynamical Systems |volume=11 | issue=2 | year = 1991 | pages=279–307 | doi=10.1017/s0143385700006155}}

External links

  • Riesz Product at Encyclopedia of Mathematics
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2 : Measures (measure theory)|Dimension theory

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