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I'm calculating in a context where it's valuable to me to keep "column vectors" in the appropriate format for display. I.e., I would like it if I could figure out how to do something like

a = {{1},{0}};
TensorProduct[a,a]
Out: {{1}, {0}, {0}, {0}}

As is, what I obtain is {{{{1}, {0}}}, {{{0}, {0}}}} . Is there a nice way to get Mathematica to output an honest-to-goodness column vector that will be presented as such by MatrixForm as the result of tensoring two column vectors together? Or am I stuck with clumsily excising the extra braces semi-manually?

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KroneckerProduct[a, a]

{{1}, {0}, {0}, {0}}

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