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• 49 To prove Cayley-Hamilton theorem, why can't we substitute $A$ for $\lambda$ in $p(\lambda) = \det(\lambda I - A)$?
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• 8 Submultiplicative Hilbert space norm on $B(H)$
• 7 Do the operators in $B(E,F)$ separate points on the projective tensor product $F' \mathop{\tilde\otimes_\pi} E$?
• 7 How does the general spectral theorem generalize the simpler versions?
• 6 Infinite connected graph
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