28XX 


Measure and integration {For analysis on manifolds, see 58XX} 

28Dxx 

Measuretheoretic ergodic theory [See also 11K50, 11K55, 22D40, 37Axx, 47A35, 54H20, 60Fxx, 60G10] 


28D05 
Measurepreserving transformations 


28D10 
Oneparameter continuous families of measurepreserving transformations 


28D15 
General groups of measurepreserving transformations 


28D20 
Entropy and other invariants 


28D99 
None of the above, but in this section 