an infinite-dimensional analogue of Euclidean space.
 
https://www.deepdyve.com/search?query=geometric+phase+in+the+causal+quantum+theories&docNotFound=true&page=4
 
https://en.wikipedia.org/wiki/Hilbert_space
 
https://www.britannica.com/science/Hilbert-space
 
https://www.britannica.com/science/topology/Algebraic-topology#ref258079
 
https://ancestors.familysearch.org/en/KCJH-9M5/katarzyna-wanclik-1885-1958
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
https://jjmoczarski.wixsite.com/wentzl?fbclid=IwAR3ylr4htN9HUabg6obDjqjWB7wJ9H__RBRy-0Y2xtzwNoW6EteSELGPlRw