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Q58Section II (Mathematics)58 of 190

Orthogonal halves of C[0,1]C[0,1] that cannot rebuild a function non-zero at 1/21/2

Let V={f∈C[0,1]:f(t)=0∀t≤1/2}V=\{f\in C[0,1]:f(t)=0 \forall t\le1/2\} and W={f∈C[0,1]:f(t)=0∀t>1/2}W=\{f\in C[0,1]:f(t)=0 \forall t>1/2\}. If C[0,1]C[0,1] is assigned the inner product ⟨f,g⟩=∫01f(t)g(t)‾dt\langle f,g\rangle=\int_0^1f(t)\overline{g(t)}dt, then:

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