Nielsen seems to say yes, but I could not repeat the proof.
Wednesday, May 12, 2010
Another one
In an order complete Banach lattice: is any finite-rank positive operator approximable by positive operators having their range in finite-dimensional sublattices?
Wednesday, May 5, 2010
Stupid math question of the day
Sometimes, there are questions that seem to be fairly simple, yet I can't find the answer anywhere:
Will a vector sublattice of a Riesz space generated by a finite set be finite-dimensional?
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