47XX 


Operator theory 

47Sxx 

Other (nonclassical) types of operator theory [See also 46Sxx] 


47S10 
Operator theory over fields other than ${\bf R}$, ${\bf C}$ or the quaternions; nonArchimedean operator theory 


47S20 
Nonstandard operator theory [See also 03H05] 


47S30 
Constructive operator theory [See also 03F60] 


47S40 
Fuzzy operator theory [See also 03E72] 


47S50 
Operator theory in probabilistic metric linear spaces [See also 54E70] 


47S99 
None of the above, but in this section 