A short course on spectral theory
Thisbookpresentsthebasictoolsofmodernanalysiswithinthecontextofwhatmightbecalledthefundamentalproblemofoperatortheory:tocalculatespectraofspecificoperatorsoninfinite-dimensionalspaces,especiallyoperatorsonHilbertspaces.Thetoolsarediverse,andtheyprovidethebasisformorerefinedmethodsthata
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