I am familiar with the direct sum of sets, $\oplus$.
What does the symbol $\otimes$ mean?
3
$\begingroup$
notation
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4In what context? In some contexts, it means tensor product. – 2011-04-07
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3More generally, this list can be useful: http://en.wikipedia.org/wiki/List_of_mathematical_symbols – 2011-04-07
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9The direct sum of sets?!? – 2011-04-07
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2The $\otimes$ symbol usually means 'some multiplicative binary operation', which may differ depending on context. – 2013-12-01
1 Answers
16
The $\otimes$ symbol is used for the tensor product.