Existence of product vectors and their partial conjugates in a pair of spaces
J. Math. Phys. 52 (2011), 122201.
Let $D$ and $E$ be subspaces of the tensor product of the $m$ and $n$ dimensional complex spaces, with
codimensions $k$ and $\ell$, respectively. We show that if
$k+\ell
by Young-Hoon Kiem, Seung-Hyeok Kye and Jungseob Lee
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arXiv:1107.1023