136796
In mathematics , perfectoid objects occur in the study of problems of " mixed characteristic " , such as local field s of characteristic zero which have residue field s of characteristic prime p. The notion was introduced by Peter Scholze .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None