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My mama always said a matrix was like a box of numbers Magnus Fries 22/11/2022 A short introduction to the correspondence between topological spaces (geo- metric things) and commutative C∗-algebras (algebraic things) as well as spec- trum of linear operators (space of eigenvalues). This will culminate in the neat tool of continuous functional calculs with which we can, in a sense, treat any normal
https://www.maths.lu.se/fileadmin/maths/personal_staff/PhD_seminar/magnusfries-phdseminar.pdf - 2025-04-19