Difference between revisions of "Measurable map"

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(Created page with "==Definition== Let {{M|(X,\mathcal{A})}} and {{M|(X',\mathcal{A}')}} be measurable spaces Then a map <math>T:X\rightarrow X'</math> is called '''<math>\m...")
 
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Let {{M|(X,\mathcal{A})}} and {{M|(X',\mathcal{A}')}} be [[Measurable space|measurable spaces]]
 
Let {{M|(X,\mathcal{A})}} and {{M|(X',\mathcal{A}')}} be [[Measurable space|measurable spaces]]
  
Then a map <math>T:X\rightarrow X'</math> is called '''<math>\mathcal{A}/\mathcal{A}'</math>-measurable''' if <math>T^{-1}(A')\in\mathcal{A},\ \forall A'\in\mathcal{A}'</math>
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Then a map <math>T:X\rightarrow X'</math> is called '''<math>\mathcal{A}/\mathcal{A}'</math>-measurable''' if  
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<math>T^{-1}(A')\in\mathcal{A},\ \forall A'\in\mathcal{A}'</math>
 
{{Definition|Measure Theory}}
 
{{Definition|Measure Theory}}

Revision as of 15:37, 18 March 2015

Definition

Let [ilmath](X,\mathcal{A})[/ilmath] and [ilmath](X',\mathcal{A}')[/ilmath] be measurable spaces

Then a map [math]T:X\rightarrow X'[/math] is called [math]\mathcal{A}/\mathcal{A}'[/math]-measurable if

[math]T^{-1}(A')\in\mathcal{A},\ \forall A'\in\mathcal{A}'[/math]