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Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.

1 vote

Confusing definition of homogeneous Sobolev norm of order -1

I think you misunderstood what the author said: "Note that this norm is finite only for measures having zero total mass." It means that if the measure has a non zero total mass, then the norm is infin …
Thomas A.'s user avatar