About: http://webisa.webdatacommons.org/305001296

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These theorems are the best results that I know which show that what happens to the spectrum of the sum is not completey arbitrary in certain settings.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com