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Spiro Karigiannis's user avatar
Spiro Karigiannis's user avatar
Spiro Karigiannis
  • Member for 14 years, 6 months
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Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)
My "counterexample" had a flaw. This modified counterexample is correct, but Mark's answer is even better.
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Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)
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Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)
Yes, that looks right to me, and it also take care of the case $m = \dim W = 2$, which my counterexample didn't cover. Thanks.
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Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)
Yes, I have seen that list before, but thanks for linking to it.
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Error in Hoffman-Kunze (normal operators on finite-dimensional inner product space with a cyclic vector)
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