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Alfredo Ortuño's user avatar
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Alfredo Ortuño
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 Nice Question
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Reference request for sums of Grothendieck spaces
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Reference request for sums of Grothendieck spaces
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Reference request for sums of Grothendieck spaces
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 Scholar
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Do ultrapowers of classical Banach spaces have unconditional bases?
Yes, apologies for not pointing it out.
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Do ultrapowers of classical Banach spaces have unconditional bases?
Thank you for all of your answers/comments. Of course, any further partial positive/negative/'undecidable' answers will be much appreciated.
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Do ultrapowers of classical Banach spaces have unconditional bases?
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Do ultrapowers of classical Banach spaces have unconditional bases?
Thank you. Perhaps I should restrict my attention to ultrafilters over integers only.
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Do ultrapowers of classical Banach spaces have unconditional bases?
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Do ultrapowers of classical Banach spaces have unconditional bases?
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Do ultrapowers of classical Banach spaces have unconditional bases?