82507
The tensor product expression is then abstracted by considering that if and represent " abstract basis vectors " from two sets and , i.e. that " " and " " , then pairs of these in the Cartesian product , i.e. are taken as standing for the tensor products .
 Cartesian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cartesian