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$\ell^2$ with weak topology is a cosmic space #749
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Moniker1998
changed the title
$\ell^2$ with weak topology is hereditarily Lindelof
$\ell^2$ with weak topology is hereditarily Lindelof and hereditarily separable
Sep 8, 2024
Moniker1998
changed the title
$\ell^2$ with weak topology is hereditarily Lindelof and hereditarily separable
$\ell^2$ with weak topology has countable network
Sep 8, 2024
Moniker1998
changed the title
$\ell^2$ with weak topology has countable network
$\ell^2$ with weak topology is a cosmic space
Sep 8, 2024
They are actually |
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One of the definitions of a cosmic space is that of an image of a separable metrizable space.
Alternatively, one could add that$\ell^2$ with weak topology is an image of a space with countable network, so itself has countable network.
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