Mar 11, 2017 · Just wanted to get thoughts from anybody who might have had experience buying open box from B&H. It says full manufacturer's warranty, but in box

Aug 27, 2019 · Ask B&H Photo! - Have a specific question about current Pentax products or accessories? Ask our specialist from B&H!

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In Murphy's book on operator algebras, the weak topology on $B (H)$ is the locally convex topology determined by the seminorms $u\mapsto\langle ux,y\rangle$ for all $x,y\in H$.

Mar 15, 2013 · I think you need only the derivative of $\exp$ (but, even if we need derivative of $\ln$, is it forbidden ?). Anyway, I removed my answer since it involves L'Hopital's rule and …

The weak$^*$ topology is actually a topology on $B (H)$ as the dual of $L^1 (H)$.

Nov 28, 2024 · We obtain a diagram as above which show that $C ( [a,b],L^2 (\Omega)) \cap L^2 ( [a,b],H_0^1 (\Omega))$ is exactly the completion of $V$ with respect to the norm $N_1 + …

Mar 1, 2017 · Anybody ever buy a used 8+ condition lens from B&H? If so, was the wear found more on the body or optics? I don't mind so much if the body is a

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Nov 11, 2022 · This is exactly my proof except that the Spectral Mapping thm is valid for a polynomial function and I explained why f (A) is also self-adjoint