Would it be correct to say $U_1$ and $U_2$ "intersect trivially"? Is there an established term?
2026-03-29 06:55:22.1774767322
Is there a term for the relationship of vector subspaces $U_1 \cap U_2 = \{0\}$?
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"Subspaces with trivial intersection" or "subspaces that intersect trivially" sounds ok to me, especially for speaking. But I usually write "$U_1\cap U_2=\{0\}$".
The condition makes the sum $U_1+U_2$ a direct sum.