Direct Sum
⊕
Type it
| Unicode | U+2295 | |
|---|---|---|
| LaTeX | \oplus | |
| HTML entity | ⊕ | |
| Character | ⊕ |
Meaning
Combines two vector spaces, groups, or modules into one whose elements are pairs, one from each, added component by component. In logic and computing it also denotes exclusive or. Compare with Tensor Product and Plus.
How to read it
ℝ ⊕ ℝ ≅ ℝ²
is read “R direct sum R is isomorphic to R squared”.